GitPython: Denial of Service via catastrophic backtracking (ReDoS) in Actor.name_email_regex — commit author/committer field parsing

Summary GitPython's Actor.nameemailregex regular expression git/util.py, line 863 is vulnerable to catastrophic backtracking ReDoS — Regular Expression Denial of Service. When GitPython parses the author or committer header of a git commit object that contains a long string with an unterminated ,...

SUSE-SU-2026:4191-1 Security update for python-GitPython

This update for python-GitPython fixes the following issues: - CVE-2026-87817: failure to properly validade the git directory location allows attackers to impersonate the git directory using tracked files and execute arbitrary code by placing pre-commit hooks in the tracked hooks directory...

Regular Expression Denial of Service (ReDoS)

Overview GitPython is a python library used to interact with Git repositories Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the Actor.fromstring parsing in git/util.py. An attacker can exhaust CPU and stall commit metadata access by supplying a...

Duplicate Advisory: Denial of Service via catastrophic backtracking (ReDoS) in Actor.name_email_regex — commit author/committer field parsing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-g5vv-9gxw-82hx. This link is maintained to preserve external references. Original Description GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that...

PYSEC-2026-3984

GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic...

PYSEC-2026-3984

GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic...

CVE-2026-87819

GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic...

CVE-2026-87819 GitPython before 3.1.60 Denial of Service via ReDoS

GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic...

CVE-2026-87819

GitPython before 3.1.60 is vulnerable to a regular expression denial of service (ReDoS) in the Actor.name_email_regex pattern used to parse commit author and committer fields. An attacker can craft a commit object with a malformed author field containing an unterminated angle bracket , triggering...

Linux Distros Unpatched Vulnerability : CVE-2026-87819

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that processes commit author and committer fields...

CVE-2026-87819: Inefficient Regular Expression Complexity

GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.nameemailregex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic...