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Advisories

Gitoxide gix-mailmap before 0.35.0 CPU Denial of Service via .mailmap Parsing

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severity
medium
date
Affecting

  • gix-mailmap >= 0, < 0.35.0

CWE
  • CWE-407 Inefficient Algorithmic Complexity
CVSS
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Credit
NotAFlightRisk
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.

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