CVE-2026-82254: gitoxide before 0.69.0 Denial of Service via gix-pack

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-28 · updated 2026-08-28
Weakness: CWE-248

Description

gitoxide before 0.69.0 contains unchecked array indexing in delta application and uncapped allocation from attacker-controlled size headers in gix-pack. Attackers can send crafted pack data during clone or fetch operations to trigger panics or out-of-memory process kills.

Affected products

GitoxideLabs gitoxide: before 0.69.0 — fixed in 0.69.0

How to fix

Upgrade to a fixed version: GitoxideLabs gitoxide 0.69.0. Check the vendor advisory for mitigations.

References

https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-x494-mj8g-cj27
https://www.vulncheck.com/advisories/gitoxide-before-0.69.0-denial-of-service-via-gix-pack

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