CVE-2026-109348
Gitoxide gix-mailmap before 0.35.0 CPU Denial of Service via .mailmap Parsing
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-407 |
| Vendor | gitoxidelabs |
| Product | gix-mailmap |
| Published | Oct 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
GitoxideLabs / gix-mailmap
0 < 0.35.0
References
Credits
🔍 NotAFlightRisk