CVE-2026-115909ImportantNetworkRevised 1 Nov

zip: Unbounded Symlink-Target Handling Can Abort Or Exhaust Memory During Extraction

MSRC advisory NVD CVE.org

Assessment

Severity: Important
CVSS base score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U
Impact: Not stated
EPSS · 30-day forecast: No EPSS score collected
Public detection template: No Nuclei template is listed in the current collected catalog
Exploitation detected: Unknown: not stated by MSRC
Exploitability: Not assessed
Publicly disclosed: Unknown: not stated by MSRC
Customer action: Required: follow the MSRC remediation guidance
Component: Mariner
Weakness: CWE-400: Uncontrolled Resource Consumption
Issued by: GitHub_M
Published: 31 Oct 2026 · October 2026
Last revised: 1 Nov 2026Information published.

CVSS 3.1 base metricsRed raises the risk · green lowers it

Attack vector: NetworkAV:N
Attack complexity: LowAC:L
Privileges required: NonePR:N
User interaction: NoneUI:N
Scope: UnchangedS:U
Confidentiality: NoneC:N
Integrity: NoneI:N
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

Open Source Software

3 affected products

azl3 rust 1.75.0-31 on Azure Linux 3.0
azl3 rust 1.96.1-2 on Azure Linux 3.0
azl3 rust 1.98.1-1 on Azure Linux 3.0

What changed

Affected products: azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0 → azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0 · CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H → CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U
2 Nov 2026

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 (3)

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

2 Nov 2026 · 09:04:36 UTC Last revised31 Oct 2026 01:14 UTC → 1 Nov 2026 14:56 UTC
2 Nov 2026 · 09:04:36 UTC Affected productsazl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0 → azl3 rust 1.75.0-31 on Azure Linux 3.0, azl3 rust 1.96.1-2 on Azure Linux 3.0, azl3 rust 1.98.1-1 on Azure Linux 3.0
2 Nov 2026 · 09:04:36 UTC CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H → CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U

Explore global source statements, affected packages and advisory history for CVE-2026-115909. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-115909

Published

zip2

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "zip-rs",
                    "product": "zip2",
                    "versions": [
                        {
                            "version": ">= 1.3.0, < 9.0.0",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-109987

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Oct 26, 2026, 4:39:00 PM

dateUpdated: Oct 26, 2026, 7:48:35 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

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

nvd · CVE-2026-115909

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Awaiting Analysis

Weakness classifications: CWE-400 · CWE-789

Original publisher date fields

published: 2026-10-26T17:17:18.450

lastModified: 2026-10-26T20:17:51.680

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

osv · GHSA-q7v9-x93c-xqv3

Published

zip

crates.io

SEMVER · introduced 1.3.0 → fixed 9.0.0

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

osv · RUSTSEC-2026-0429

Published

zip

crates.io

SEMVER · introduced 0.0.0-0 → fixed 9.0.0

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