CVE-2024-6232 — Regex Denial of Service in Software Foundation Cpython

CWE-1333 — Regex Denial of Service19 documents8 sources
Severity
7.5HIGHNVD
OSV5.3
EPSS
4.0%
top 11.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Python Software Foundation CpythonPython
Timeline
PublishedSep 3
Latest updateSep 29

Description

There is a MEDIUM severity vulnerability affecting CPython. Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5python_software_foundation/cpython3.9.0 — 3.9.20+5
▶NVDpython/python3.9.0 — 3.9.20+5

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

11
OSV
python2.7 regression↗2025-09-29
▶
OSV
python2.7 regresssions↗2024-11-22
▶
OSV
python2.7 vulnerabilities↗2024-11-19
▶
OSV
python2.7, python3.5 vulnerability↗2024-10-14
▶
OSV
python2.7, python3.5 vulnerability↗2024-10-01
▶

📋Vendor Advisories

7
Ubuntu
Python vulnerabilities↗2025-05-06
▶
Ubuntu
Python vulnerabilities↗2024-11-19
▶
Ubuntu
Python vulnerabilities↗2024-09-19
▶
Ubuntu
Python vulnerabilities↗2024-09-16
▶
Microsoft
Regular-expression DoS when parsing TarFile headers↗2024-09-10
▶
CVE-2024-6232 — Regex Denial of Service | cvebase