CVE-2026-15310: zipfile: bzip2/LZMA/Zstandard members decompress without a max_length bound, defeating chunked-read memory limits

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-29

EPSS Score

0.30% (percentile: 22.6%)

Affected Products (2)

Other

• 21694-17084
• 21021-17084

Revision History

• 2026-08-29: Information published.