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Advisories

Gitoxide before 0.42.0 Denial of Service via Crafted Commit-Graph File

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Severity
medium
Date
Affecting

  • gitoxide >= 0, < 0.42.0

  • gitoxide >= 0, < 0.61.0

CWE
  • CWE-248 Uncaught Exception
CVSS
6.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Hama1cco
Description
gix-commitgraph before 0.42.0, as used in gitoxide before 0.61.0, contains a denial of service vulnerability because its commit-graph parser does not validate parent graph positions against the declared commit count or check the EDGE chunk length for 4-byte alignment. Attackers can supply a repository containing a crafted .git/objects/info/commit-graph file to trigger panics that abort gix merge-base, gix blame, and applications embedding gix.

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