Vulnerability advisory

CVE-2026-115909

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

Published Oct 26, 2026Updated Nov 2, 2026OSV record ↗

Also known as GHSA-q7v9-x93c-xqv3RUSTSEC-2026-0429

Severity

CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected versions

Repository

Affected commits	Fixed by commit
GIT github.com/zip-rs/zip2 ↗
102e31113daa5e9553db14c985b1db3f519174a8 to before 2b1c4244a6f42906c8b3f21a358bf2321d0baaef	`2b1c4244a6f42906c8b3f21a358bf2321d0baaef`
Not specified	`a543a1fc8f3f3eef36f27bb137230295284cdb98`
Also listed as affected (54) `v7.4.0` `v5.1.1` `v8.6.0` `v9.0.0-pre3` `v9.0.0-pre2` `v9.0.0-pre1` `v8.5.1` `v8.5.0` `v8.4.0` `v8.3.1` `v8.3.0` `v8.2.0.bak` `v8.2.0` `v8.1.0` `v8.0.0` `v7.3.0` `v7.3.0-pre1` `v7.2.0` `v7.1.0` `v7.0.0` `v6.0.0` `v5.1.0` `v5.0.1` `v5.0.0` `v4.6.1` `v4.6.0` `v4.5.0` `v4.4.0` `v4.3.0` `v4.2.0` `v4.1.0` `v4.0.0` `v3.0.0` `v2.6.1` `v2.6.0` `v2.5.0` `v2.4.2` `v2.4.1` `v2.4.0` `v2.3.0` `v2.2.3` `v2.2.2` `v2.2.1` `v2.2.0` `v2.1.6` `v2.1.5` `v2.1.4` `v2.1.3` `v2.1.2` `v2.1.1` `v2.1.0` `v2.0.0` `v1.3.1` `v1.3.0`

Description

zip is a zip library for Rust that supports reading and writing simple ZIP files. From 1.3.0 until 9.0.0, ZipArchive::extract in src/read/mod.rs calls Vec::with_capacity for a symbolic link target using the attacker-controlled ZIP64 uncompressed_size before reading entry data. A small archive can request an impossible capacity, causing the infallible allocation path to abort the process before the entry is validated. The failure cannot be contained with catch_unwind or a worker thread, allowing repeated denial of service in archive-processing applications. This issue is fixed in version 9.0.0.

CVE-2026-115909

Affected versions

Repository

Description

References