CVE-2026-109351
CVE-2026-109351
Gitoxide gix-pack before 0.75.0 contains an uncontrolled memory allocation vulnerability that allows remote attackers to abort the process by supplying a huge pack-header object count. Malicious remotes can serve a 12-byte pack header claiming 0xFFFFFFFF objects, forcing Tree::with_capacity to reserve hundreds of gigabytes and crash clone or fetch operations.
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-x862-c2wj-4mwr (vendor-advisory)
- www.vulncheck.com/advisories/gitoxide-gix-pack-before-0.75.0-denial-of-service-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109351?
- CVE-2026-109351 is a medium-severity vulnerability, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-10-12.
- How severe is CVE-2026-109351?
- Medium severity. CVSS v3 base score is 6.5 out of 10.