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CVE

CVE-2024-6232

There is a MEDIUM severity vulnerability affecting CPython. Regular expressions that allowed excessive backtracking

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.

HIGH · CVSS 7.5 EPSS 0.03014
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-1333Inefficient Regular Expression Complexity
CWE-1333Inefficient Regular Expression Complexity
▤

Affected Products & Versions

6
python< 3.8.20
python>= 3.9.0 and < 3.9.20
python>= 3.10.0 and < 3.10.15
python>= 3.11.0 and < 3.11.10
python>= 3.12.0 and < 3.12.6
pythonall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · 121285github.com
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPython Reverse Shell Execution Via PTY And Socket Modules
producthighInline Python Execution - Spawn Shell Via OS System Library
producthighPython One-Liners with Base64 Decoding - Linux
producthighPython Function Execution Security Warning Disabled In Excel
producthighPython One-Liners with Base64 Decoding
producthighPython Spawning Pretty TTY on Windows
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cna@python.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Sep 2024 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
siemens-csafSSA-202008
suse-csafopenSUSE-SU-2025:15713-1
siemens-csafSSA-613116
suse-csafSUSE-SU-2025:20374-1
usnUSN-7488-1
🔗

References & Sources

12
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/python/cpython/commit/34ddb64d088dd7ccc321f6103d23153256caa5d4Patch
https://github.com/python/cpython/commit/4eaf4891c12589e3c7bdad5f5b076e4c8392dd06Patch
https://github.com/python/cpython/commit/743acbe872485dc18df4d8ab2dc7895187f062c4Patch
https://github.com/python/cpython/commit/7d1f50cd92ff7e10a1c15a8f591dde8a6843a64dPatch
https://github.com/python/cpython/commit/b4225ca91547aa97ed3aca391614afbb255bc877Patch
https://github.com/python/cpython/commit/d449caf8a179e3b954268b3a88eb9170be3c8fbfPatch
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