VDB
CVE-2026-15310
CVE-2026-15310
PUBLISHED
CVSS 2.1 LOW
Reported by PSF · Published August 25, 2026
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.
Risk Scores
CVSS 4.0
2.1
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
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Python Software Foundation | CPython | 0, 3.11.0, 3.12.0 |
| wolfi | python-3.13 | 0, 0, 0 |
| chainguard | python-3.12 | 0, 0 |
| chainguard | python-3.13 | 0, 0 |
| chainguard | python-3.10 | 0, 0 |
| alpine | python3 | 0, 0, 0 |
| wolfi | python-3.14 | 0, 0, 0 |
| wolfi | python-3.10 | 0, 0, 0 |
| chainguard | python-3.14 | 0, 0, 0 |
| Python Software Foundation | CPython | 3.15.0a1, 3.15.0a1, 0 |
| wolfi | python-3.12 | 0, 0, 0 |
| wolfi | python-3.11 | 0, 0 |
| chainguard | python-3.11 | 0 |
Timeline
- Aug 25, 2026 CVE Published
- Aug 26, 2026 EPSS Score
- Sep 2, 2026 EPSS Score
- Sep 2, 2026 Security Advisory
- Sep 4, 2026 EPSS Score
- Sep 9, 2026 EPSS Score
- Sep 11, 2026 EPSS Score
- Sep 12, 2026 EPSS Score
- Sep 16, 2026 EPSS Score
- Sep 17, 2026 EPSS Score
- Sep 18, 2026 EPSS Score
- Sep 24, 2026 EPSS Score