Bug 2523543 (CVE-2026-15310) - CVE-2026-15310 python: Python: Denial of Service via crafted zip file memory pre-allocation
Summary: CVE-2026-15310 python: Python: Denial of Service via crafted zip file memory ...
Keywords:
Status: NEW
Alias: CVE-2026-15310
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-25 15:25 UTC by OSIDB Bzimport
Modified: 2026-10-16 21:32 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-08-25 15:25:15 UTC 
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.
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