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Back to active CVEs
High · CVSS 8.7CVE-2026-110856

GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_dateCVE-2026-110856

Answer in brief

CVE-2026-110856 records a High severity (CVSS 8.7) vulnerability in GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date. The current sources do not mark it as known exploited. The current feed maps gitpython-developers/GitPython (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 14, 2026Updated Oct 14, 2026Source checked Oct 15, 2026First seen by HOL Oct 14, 2026Material review Oct 14, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps gitpython-developers/GitPython (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
gitpython-developers/GitPythongeneric>=0 <3.2.03.2.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for gitpython-developers/GitPython.
  2. 2Review the reported fix. Update gitpython-developers/GitPython to 3.2.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 14, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

GitPython before 3.2.0 contains a regular expression denial of service vulnerability in the _re_actor_epoch pattern used by parse_actor_and_date on author, committer, and tagger lines. Attackers can serve repositories with commit or tag objects containing long space-filled lines lacking a valid epoch or timezone, causing quadratic backtracking and CPU exhaustion.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • GitPython before 3.2.0 Environment Variable Disclosure via .gitmodules Submodule NameSame gitpython-developers/gitpython package
  • GitPython before 3.2.0 Command Execution via ls_remote ext:: URLsSame gitpython-developers/gitpython package
  • GitPython 3.1.30 before 3.2.0 Command Injection via Remote.pull() RefspecSame gitpython-developers/gitpython package
  • GitPython before 3.2.0 Arbitrary File Read via Head.checkout() Branch NameSame gitpython-developers/gitpython package
  • GitPython 3.1.62 before 3.2.0 Symlink Path Traversal via Submodule.move()Same gitpython-developers/gitpython package
  • Nodemailer 3.0.0 before 10.0.13 ReDoS via SMTP AUTH Mechanism Detection RegexesAlso CWE-1333

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-1333
Source
CVE List V5
Source checked
Oct 15, 2026
References
2 linked sources
Open source record