Gitoxide gix-mailmap before 0.35.0 CPU Denial of Service via .mailmap Parsing
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.
CVE-2026-109348
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-109348
gix-mailmap
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "GitoxideLabs",
"product": "gix-mailmap",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.35.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "0.35.0",
"versionType": "semver"
}
],
"packageURL": "pkg:cargo/gix-mailmap",
"packageName": "gix-mailmap",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-109348
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #20388 · Revision 1
- Added to Heist Feed
- Publisher date