CVE-2026-115907

HighCVSS 7.5/10Last modified Oct 30, 2026

Description

zip is a zip library for Rust that supports reading and writing simple ZIP files. From 5.1.0 until 9.0.0, applications built with the legacy-zip feature can reserve output capacity from an attacker-controlled ZIP64 uncompressed size before validating the compressed stream. The ShrinkDecoder path in src/legacy/shrink.rs can panic with a capacity overflow during ZipArchive::extract, and the Reduce and Implode decoders contain the same unbounded preallocation pattern. An unhandled panic can terminate an archive-processing service. This issue is fixed in version 9.0.0.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400CWE-789

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
zip-rszip2>= 5.1.0, < 9.0.0

References

Timeline

Published
Oct 26, 2026
Last modified
Oct 30, 2026
NVD status
Awaiting Analysis

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CVE-2026-115907: High severity, CVSS 7.5 | Vulnix