CVE-2026-110856— GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date
一分钟漏洞结论
影响对象
gitpython-developers GitPython
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
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
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一、 漏洞 CVE-2026-110856 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
GitPython before 3.2.0 ReDoS via _re_actor_epoch in parse_actor_and_date
来源: CVE Program / CVE List V5
Vulnerability 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.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| gitpython-developers | GitPython | 0 ~ 3.2.0 | - |
|
二、漏洞 CVE-2026-110856 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-110856 其他参考 (2)
同批安全公告 · gitpython-developers · 2026-10-14 · 共 6 条
| CVE-2026-110858 | 8.1 HIGH | GitPython 3.1.30 before 3.2.0 Command Injection via Remote.pull() Refspec |
| CVE-2026-110859 | 7.5 HIGH | GitPython before 3.2.0 Arbitrary File Read via Head.checkout() Branch Name |
| CVE-2026-110857 | 7.5 HIGH | GitPython before 3.2.0 Command Execution via ls_remote ext:: URLs |
| CVE-2026-110855 | 6.5 MEDIUM | GitPython before 3.2.0 Environment Variable Disclosure via .gitmodules Submodule Name |
| CVE-2026-110860 | 6.1 MEDIUM | GitPython 3.1.62 before 3.2.0 Symlink Path Traversal via Submodule.move() |
IV. Related Vulnerabilities
Same product: GitPython
-
CVE-2026-110860
GitPython 3.1.62 before 3.2.0 Symlink Path Traversal via Sub -
CVE-2026-110859
GitPython before 3.2.0 Arbitrary File Read via Head.checkout -
CVE-2026-110858
GitPython 3.1.30 before 3.2.0 Command Injection via Remote.p -
CVE-2026-110857
GitPython before 3.2.0 Command Execution via ls_remote ext:: -
CVE-2026-110855
GitPython before 3.2.0 Environment Variable Disclosure via .
Same vendor: gitpython-developers
-
CVE-2026-110860
GitPython 3.1.62 before 3.2.0 Symlink Path Traversal via Sub -
CVE-2026-110859
GitPython before 3.2.0 Arbitrary File Read via Head.checkout -
CVE-2026-110858
GitPython 3.1.30 before 3.2.0 Command Injection via Remote.p -
CVE-2026-110857
GitPython before 3.2.0 Command Execution via ls_remote ext:: -
CVE-2026-110855
GitPython before 3.2.0 Environment Variable Disclosure via .
Same weakness: CWE-1333
V. Comments for CVE-2026-110856
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