CVE-2026-115907

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.

• CWE-400
• CWE-789

• https://github.com/zip-rs/zip2/commit/8b4991288b79ad11cce201c2d785d5baa795bd3e
• https://github.com/zip-rs/zip2/pull/991
• https://github.com/zip-rs/zip2/releases/tag/v9.0.0
• https://github.com/zip-rs/zip2/security/advisories/GHSA-9hj8-73fh-9963

Published

Oct 26, 2026

Last Modified

Oct 26, 2026

Status

Awaiting Analysis

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