Bug 2566272 - CVE-2026-115905 rust: zip: Critical Parser Differential & Security Control Bypass via Dual-Header Inconsistencies (Zip Cloaking) Leading to Arbitrary File Overwrite & RCE [fedora-all]
Summary: CVE-2026-115905 rust: zip: Critical Parser Differential & Security Control By...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Fedora
Classification: Fedora
Component: rust
Version: rawhide
Hardware: Unspecified
OS: Unspecified
urgent
urgent
Target Milestone: ---
Assignee: Rust SIG
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["a882e4b9-4d3a-421b-86d5-9...
Depends On:
Blocks: CVE-2026-115905
TreeView+ depends on / blocked
 
Reported: 2026-11-03 20:20 UTC by aedmond
Modified: 2026-11-03 20:51 UTC (History)
6 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2026-11-03 20:51:19 UTC
Type: ---
Embargoed:


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Description aedmond 2026-11-03 20:20:26 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

zip is a zip library for Rust that supports reading and writing simple ZIP files. Through 9.0.4, ZipArchive treats Central Directory File Header filenames as authoritative while ZipStreamReader extracts using Local File Header filenames without reconciling the duplicate metadata in src/read/stream.rs. A crafted archive can therefore appear benign to a component that inspects the central directory but cause a streaming extractor to write a different attacker-selected path and content, potentially overwriting files used by a downstream service. This issue is fixed in version 9.0.5.

Comment 1 Josh Stone 2026-11-03 20:51:19 UTC
The vendored `zip` crate is only used by `rust-analyzer/xtask`, which is a local utility for upstream development. It is not used in any way for our rpm build or the resulting packages.


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