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CVE-2026-11590510.0Critical

zip: Critical Parser Differential & Security Control Bypass via Dual-Header Inconsistencies (Zip Cloaking) Leading to Arbitrary File Overwrite & RCE

zip-rs · zip2

Not in CISA KEV
0.3%probability of exploitation in the next 30 days
25th percentile
050100

Higher than 25% of scored CVEs

10.0CriticalCVSS
LowCrit.

DescriptionNVD

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.

Coverage1 article · 1 outlet

First in our coverage: SecurityOnline, 30 Oct.

  1. Rust zip crate flaw lets crafted archives overwrite files
    SecurityOnline · first in our coverage

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References

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