Back
CVE-2024-6232
Regular-expression DoS when parsing TarFile headers
High7.5EPSS 2.2%
- Published
- Updated
- Reserved
- Assigned by
- PSF
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
Python Software Foundation · CPython
- affected < 3.8.20
- affected 3.9.0 – < 3.9.20
- affected 3.10.0 – < 3.10.15
- affected 3.11.0 – < 3.11.10
- affected 3.12.0 – < 3.12.6
- affected 3.13.0a1 – < 3.13.0rc2
References (13)
- https://github.com/python/cpython/pull/121286 (opens in a new tab)patch
- https://github.com/python/cpython/issues/121285 (opens in a new tab)issue-tracking
- https://mail.python.org/archives/list/[email protected]/thread/JRYFTPRHZRTLMZLWQEUHZSJXNHM4ACTY/ (opens in a new tab)vendor-advisory
- https://github.com/python/cpython/commit/4eaf4891c12589e3c7bdad5f5b076e4c8392dd06 (opens in a new tab)patch
- https://github.com/python/cpython/commit/743acbe872485dc18df4d8ab2dc7895187f062c4 (opens in a new tab)patch
- https://github.com/python/cpython/commit/d449caf8a179e3b954268b3a88eb9170be3c8fbf (opens in a new tab)patch
- https://github.com/python/cpython/commit/ed3a49ea734ada357ff4442996fd4ae71d253373 (opens in a new tab)patch
- https://github.com/python/cpython/commit/7d1f50cd92ff7e10a1c15a8f591dde8a6843a64d (opens in a new tab)patch
- https://github.com/python/cpython/commit/b4225ca91547aa97ed3aca391614afbb255bc877 (opens in a new tab)patch
- https://github.com/python/cpython/commit/34ddb64d088dd7ccc321f6103d23153256caa5d4 (opens in a new tab)patch
- http://www.openwall.com/lists/oss-security/2024/09/03/5 (opens in a new tab)
- https://security.netapp.com/advisory/ntap-20241018-0007/ (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-6232)Record last updated .