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

High 8.7 Published Updated

Attackers can cause denial of service in gitoxide by sending crafted pack data during clone or fetch operations, triggering panics or out-of-memory kills.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-82254?

CVE-2026-82254 is a high-severity denial of service vulnerability in GitoxideLabs gitoxide, published on 28 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-248

Which versions are affected by CVE-2026-82254?

2 open source packages ship an affected version, including gix-pack.

PackageAffectedFixed in
gix-pack crates.ioAll versions0.69.0
gix-pack crates.ioAll versions0.69.0

How do I fix CVE-2026-82254?

Upgrade gix-pack to 0.69.0 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-82254 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82254 exists.

Sources

Also known as AZL-98412, AZL-98424, DEBIAN-CVE-2026-82254, GHSA-5v2g-4955-9qfh, GHSA-x494-mj8g-cj27, MINI-52vw-5q48-2cff and 1 more.

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