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CVE-2026-84268

Gvfs: sftp: heap-based buffer overflow in read_reply()

CVSS 3.1 8.8 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-84268

Published

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause read_reply() to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing the operation to write past the intended boundaries. This issue allows a malicious server to corrupt adjacent heap memory in the gvfsd-sftp process, resulting in a denial of service as the process aborts upon detecting the heap corruption or potentially allowing arbitrary code execution.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-84268

Published

gvfs

https://gitlab.gnome.org/GNOME/gvfs

Publisher's version information

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

{
                    "vendor": "GNOME",
                    "product": "gvfs",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "1.60.2",
                            "versionType": "semver"
                        }
                    ],
                    "packageName": "gvfs",
                    "collectionURL": "https://gitlab.gnome.org/GNOME/gvfs",
                    "defaultStatus": "unaffected"
                }

gvfs

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": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.54.4-4.el10_2.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:10.2"
                    ]
                }

gvfs

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": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.54.4-5.el10_3.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:10.3"
                    ]
                }

gvfs

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 10.0 Extended Update Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.54.4-2.el10_0.2",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux_eus:10.0"
                    ]
                }

gvfs

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 Extended Lifecycle Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.36.2-7.el7_9.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:7"
                    ]
                }

gvfs

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": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.36.2-22.el8_10",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8::appstream",
                        "cpe:/a:redhat:enterprise_linux:8::crb"
                    ]
                }

gvfs

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 8.4 Advanced Mission Critical Update Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.36.2-11.el8_4.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_aus:8.4::appstream",
                        "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
                    ]
                }

gvfs

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 8.4 Extended Update Support Long-Life Add-On",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.36.2-11.el8_4.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_aus:8.4::appstream",
                        "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
                    ]
                }

gvfs

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 8.6 Advanced Mission Critical Update Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.36.2-11.el8_6.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_aus:8.6::appstream",
                        "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"
                    ]
                }

gvfs

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 8.6 Extended Update Support Long-Life Add-On",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.36.2-11.el8_6.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_aus:8.6::appstream",
                        "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"
                    ]
                }

gvfs

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 8.8 Telecommunications Update Service",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.36.2-14.el8_8.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_e4s:8.8::appstream",
                        "cpe:/a:redhat:rhel_tus:8.8::appstream"
                    ]
                }

gvfs

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 8.8 Update Services for SAP Solutions",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.36.2-14.el8_8.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_e4s:8.8::appstream",
                        "cpe:/a:redhat:rhel_tus:8.8::appstream"
                    ]
                }

gvfs

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": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.48.1-8.el9_8.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9::appstream",
                        "cpe:/a:redhat:enterprise_linux:9::crb"
                    ]
                }

gvfs

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": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.48.1-9.el9_9.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9::appstream",
                        "cpe:/a:redhat:enterprise_linux:9::crb"
                    ]
                }

gvfs

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 9.2 Update Services for SAP Solutions",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.48.1-4.el9_2.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_e4s:9.2::appstream"
                    ]
                }

gvfs

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 9.4 Update Services for SAP Solutions",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.48.1-4.el9_4.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_e4s:9.4::appstream"
                    ]
                }

gvfs

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 9.6 Extended Update Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "gvfs",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.48.1-6.el9_6.1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_eus:9.6::appstream",
                        "cpe:/a:redhat:rhel_eus:9.6::crb"
                    ]
                }

gvfs

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": "gvfs",
                    "defaultStatus": "unknown",
                    "cpes": [
                        "cpe:/o:redhat:rhel_els:6"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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