CVE-2026-15310
- Source
- https://cve.org/CVERecord?id=CVE-2026-15310
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-15310.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2026-15310
- Aliases
- Downstream
ALPINE (1)
BELL (1)
CGA (10)
DEBIAN (1)
ECHO (1)
openSUSE (5)
SUSE (1)
UBUNTU (1)
- Related
- Published
- 2026-08-25T15:07:58Z
- Modified
- 2026-10-03T03:30:36Z
- Severity
-
- 2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- zipfile: bzip2/LZMA/Zstandard members decompress without a max_length bound, defeating chunked-read memory limits
- Details
-
When decompressing crafted zip files using the bzip/LZMA/Zstandard
compressions, Python could use an attacker-controlled size to
pre-allocate memory, possibly resulting in memory exhaustion.
- Database specific
{ "cna_assigner": "PSF", "cwe_ids": [ "CWE-400" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15310.json", "unresolved_ranges": [ { "extracted_events": [ { "fixed": "3.10.22" }, { "introduced": "3.11.0" }, { "fixed": "3.11.17" }, { "introduced": "3.12.0" }, { "fixed": "3.12.15" }, { "introduced": "3.13.0" }, { "fixed": "3.13.16" }, { "introduced": "3.14.0" }, { "fixed": "3.14.8" } ], "source": "AFFECTED_FIELD" } ] }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15310.json
- https://mail.python.org/archives/list/security-announce@python.org/thread/YUHXURX2WZGKGNA4ANYBQS2VZRYQ5JNK/
- https://nvd.nist.gov/vuln/detail/CVE-2026-15310
- https://github.com/python/cpython/issues/156002
- https://github.com/python/cpython/commit/09a2e7e6678b4f65449e7ad8f112c48f944591e2
- https://github.com/python/cpython/commit/1b424c0178a01e155fd0267dc28a8fc1159b33a8
- https://github.com/python/cpython/commit/31980e84b9a708424a0a1dfecde3fc991e313f89
- https://github.com/python/cpython/commit/6257029de42ef89b67f3d20137de87d43e197530
- https://github.com/python/cpython/commit/9d167992b59cf5e23c66b9ed742b13f5925f7d70
- https://github.com/python/cpython/commit/c2bfbcdd1a11690507a10bc0998f95b8dc6b6fac
- https://github.com/python/cpython/commit/dcdd406ddbfc4cb29b24c3df17cbabe21d316ce1
- https://github.com/python/cpython/commit/e2311cfb3dd518f008f312fe0631f4f7490d237a
- https://github.com/python/cpython/commit/f507e6946a3194e83e1d7b8ee6e14567175e46de
- https://github.com/python/cpython/commit/f897dbf2f36a5935700b7c2d94d4681d2136b7d4
- https://github.com/python/cpython/pull/156003
- https://github.com/python/cpython