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Gcc: stack overflow in std::bitset on libstdc++

No KEV listing collectedCVSS 6.5Fix not stated

Assessment

Severity
Moderate
CVSS base score
6.5
Impact
Not stated
Exploitation detected
Unknown: not stated by MSRC
Exploitability
Not assessed
Publicly disclosed
Unknown: not stated by MSRC
EPSS · 30-day forecast
No EPSS score collected
Customer action
Required: follow the MSRC remediation guidance
More details
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Public detection template
No Nuclei template is listed in the current collected catalog
Component
Mariner
Weakness
CWE-787: Out-of-bounds Write
Issued by
redhat
Published
3 Nov 2026 · October 2026
Last revised
3 Nov 2026
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
NetworkAV:N
Attack complexity
HighAC:H
Privileges required
NonePR:N
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
NoneC:N
Integrity
LowI:L
Availability
HighA:H

Updates that fix it

0 KBs

No KB listed

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Mariner
1 affected product
  • azl3 gcc 13.2.0-7 on Azure Linux 3.0

What changed

  1. Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  2. Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (8)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
  2. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  3. 6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
  4. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  5. 6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  6. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  7. 6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
  8. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2026-115455. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

cve-program · CVE-2026-115455

Published

gcc-toolset-15-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc-toolset-15-gcc",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:15.2.1-8.2.el10_3",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:10.3"
                    ]
                }

gcc-toolset-16-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc-toolset-16-gcc",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:16.2.1-1.4.el10_3",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:10.3"
                    ]
                }

gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:14.4.1-5.el10_3",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:10.3"
                    ]
                }

gcc-toolset-15-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc-toolset-15-gcc",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:15.2.1-7.4.el9_9",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9::appstream"
                    ]
                }

gcc-toolset-16-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc-toolset-16-gcc",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:16.2.1-1.4.el9_9",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9::appstream"
                    ]
                }

gcc13-main

https://catalog.redhat.com/software/containers/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Hardened Images",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "gcc13-main",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "13.5.0-0.4.hum1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:hummingbird:1"
                    ]
                }

mingw-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "mingw-gcc",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:10"
                    ]
                }

compat-gcc-295

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 6",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "compat-gcc-295",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:6"
                    ]
                }

compat-gcc-296

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 6",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "compat-gcc-296",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:6"
                    ]
                }

compat-gcc-32

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 6",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "compat-gcc-32",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:6"
                    ]
                }

compat-gcc-34

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 6",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "compat-gcc-34",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:6"
                    ]
                }

gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 6",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:6"
                    ]
                }

compat-gcc-32

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "compat-gcc-32",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:7"
                    ]
                }

compat-gcc-34

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "compat-gcc-34",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:7"
                    ]
                }

compat-gcc-44

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "compat-gcc-44",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:7"
                    ]
                }

gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:7"
                    ]
                }

gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8"
                    ]
                }

gcc-toolset-14-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc-toolset-14-gcc",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8"
                    ]
                }

gcc-toolset-15-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc-toolset-15-gcc",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8"
                    ]
                }

mingw-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "mingw-gcc",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8"
                    ]
                }

gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9"
                    ]
                }

gcc-toolset-14-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc-toolset-14-gcc",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9"
                    ]
                }

mingw-gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "mingw-gcc",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9"
                    ]
                }

gcc

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Hardened Images",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gcc",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:hummingbird:1"
                    ]
                }

openshift/ose-rhel-coreos-8

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat OpenShift Container Platform 4",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "openshift/ose-rhel-coreos-8",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:openshift:4"
                    ]
                }

openshift/ose-rhel-coreos-9

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat OpenShift Container Platform 4",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "openshift/ose-rhel-coreos-9",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:openshift:4"
                    ]
                }

openshift/ose-rhel-coreos-9

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat OpenShift Container Platform 5",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "openshift/ose-rhel-coreos-9",
                    "defaultStatus": "unaffected",
                    "cpes": [
                        "cpe:/a:redhat:openshift:5"
                    ]
                }

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