CVE-2026-109349gix-pack before 0.75.0 Reachable Assertion DoS via Pack Version 3 Header
Updated under an hour ago ()
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It affects GitoxideLabs gix-pack. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
gitoxide gix-pack before 0.75.0 contains a reachable assertion in BytesToEntriesIter::new_from_header: the pack header decoder accepts version 3, but a release-enabled assert_eq! requires version 2. A malicious remote can send a 12-byte pack header declaring version 3 to panic the client and abort the clone or fetch.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-617
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 13, 2026
- First seen by InfoSec Signals
- Oct 12, 2026
Affected products
GitoxideLabs gix-pack gitoxidelabs:gix_pack (from the name) | before 0.75.0; 0.75.0 not affected | CNA record |
References
- https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-633h-mqjc-8rwgvendor-advisory
- https://www.vulncheck.com/advisories/gix-pack-before-0.75.0-reachable-assertion-dos-via-pack-version-3-headerthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.