CVE-2026-15310
Public on 2026-08-25
Modified on 2026-08-28
Description
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.
compressions, Python could use an attacker-controlled size to
pre-allocate memory, possibly resulting in memory exhaustion.
Severity
See what this means
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | python | Not Affected | ||
| Amazon Linux 2 - Core | python3 | Pending Fix | ||
| Amazon Linux 2 - Python3 Extra | python3 | No Fix Planned | ||
| Amazon Linux 2023 | python3.11 | Pending Fix | ||
| Amazon Linux 2023 | python3.12 | Pending Fix | ||
| Amazon Linux 2023 | python3.13 | Pending Fix | ||
| Amazon Linux 2023 | python3.14 | Pending Fix | ||
| Amazon Linux 2023 | python3.9 | Pending Fix | ||
| Amazon Linux 2 - Python3.8 Extra | python38 | No Fix Planned |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |