CVE-2014-9706: The build_index_from_tree function in index.py in Dulwich before 0.9.9 allows remote attackers to execute a...

Security readout for executives and security teams

Dulwich versions before 0.9.9 could mishandle a malicious Git commit during checkout and allow arbitrary code execution. The business risk is highest where automated systems fetch or check out repositories from external or untrusted sources. Exposure is likely limited to systems using Dulwich before 0.9.9, especially CI, mirroring, repository import, or automation workflows that check out commits from untrusted repositories. The source bundle lists Debian and Fedora advisories but does not provide package version matrices. Treat this as high priority if Dulwich is used in repository-processing automation. For ordinary environments without Dulwich or without untrusted checkouts, urgency is lower. The key decision is whether vulnerable code can process attacker-controlled commits. Mitigation focus: Upgrade Dulwich to 0.9.9 or a distribution package containing that fix.; Prioritize systems that check out third-party or user-submitted repositories.; Use Debian or Fedora advisory guidance where those packages are deployed..

Prepared

Jun 13, 2026, 22:56 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.