This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-15310 →
DEBIAN-CVE-2026-15310
When decompressing crafted zip files using the bzip/LZMA/Zstandard compressions, Python could use an attacker-controlled size to pre-allocate memo...
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
python3.11
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.2-6+deb12u9"}]}]
Debian:13
python3.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
python3.13
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
python3.14
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.7-3"}]}]
Debian:14
python3.15
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.15.0~rc2-1"}]}]
References
- advisory security-tracker.debian.org