python-git: GitPython versions before 3.1.58 contain an arbitrary file overwrite vulnerability in IndexFile.from_tree, IndexFile....
CVE-2026-76219 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-76219, released September 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.
GitPython versions before 3.1.58 contain an arbitrary file overwrite vulnerability in IndexFile.from_tree, IndexFile.reset, and IndexFile.merge_tree methods that append caller-influenced treeish strings to git read-tree without option validation or argument separation. Attackers can inject the --index-output option to overwrite arbitrary files with a valid git-index blob, destroying existing file content at attacker-controlled writable paths.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-GitPython · opensuse-leap 16.0 | 3.1.44-160000.4.1 | OPENSUSE-SU-2026:21874-1 | Sep 18, 2026 |
| python-GitPython · sles 15.6 | 3.1.34.1693646983.2a2ae77-150400.9.8.1 | SUSE-SU-2026:4072-1 | Sep 8, 2026 |
| python-GitPython · sles 15.7 | 3.1.34.1693646983.2a2ae77-150400.9.8.1 | SUSE-SU-2026:4072-1 | Sep 8, 2026 |
| python-git · Debian 12.15 (bookworm) | 3.1.30-1+deb12u3 | DEBIAN-CVE-2026-76219 | Sep 4, 2026 |
| python-git · Debian 13.5 (trixie) | 3.1.44-1+deb13u1 | DEBIAN-CVE-2026-76219 | Sep 4, 2026 |
| python-git · Debian 14 | 3.1.61-1 | DEBIAN-CVE-2026-76219 | Sep 4, 2026 |
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