CVE-2026-109348

MediumCVSS 4.3/10Last modified Oct 16, 2026

Description

Gitoxide gix-mailmap before 0.35.0 contains a denial of service vulnerability that allows attackers to exhaust CPU through quadratic-time parsing in Snapshot::from_bytes. Attackers can commit a crafted .mailmap with descending-ordered entries forcing repeated front inserts, blocking workers running log, blame, or shortlog for minutes.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-407

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
GitoxideLabs	gix-mailmap	< 0.35.0

References

Timeline

Published: Oct 12, 2026
Last modified: Oct 16, 2026
NVD status: Awaiting Analysis

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