PT-2026-81324 · Python · Python

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CVE-2026-15310

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Published

2026-08-25

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Updated

2026-09-11

CVSS v4.0

2.1

Low

VectorAV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions Python (affected versions not specified)
Description When decompressing crafted zip files using bzip, LZMA, or Zstandard compressions, the software may use an attacker-controlled size to pre-allocate memory, which can lead to memory exhaustion.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

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Weakness Enumeration

Related Identifiers

AZL-98208
AZL-98217
BIT-LIBPYTHON-2026-15310
BIT-PYTHON-2026-15310
BIT-PYTHON-MIN-2026-15310
CVE-2026-15310
ECHO-961E-FB97-7609
OPENSUSE-SU-2026:11748-1
PSF-2026-39

Affected Products

Python