UNKNOWN Microsoft
CVE-2026-15310
zipfile: bzip2/LZMA/Zstandard members decompress without a max_length bound, defeating chunked-read memory limits
Microsoft Security Update 2026-Aug: zipfile: bzip2/LZMA/Zstandard members decompress without a max_length bound, defeating chunked-read memory limits
Affected Products
- azl3 python3 3.12.14-1 on Azure Linux 3.0
- azl3 python3 3.12.9-14 on Azure Linux 3.0
- azl3 python3 3.12.14-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-15310
- https://nvd.nist.gov/vuln/detail/CVE-2026-15310
This unknown severity vulnerability was published on 2026-08-11 via Microsoft. Affected: azl3 python3 3.12.14-1 on Azure Linux 3.0, azl3 python3 3.12.9-14 on Azure Linux 3.0, azl3 python3 3.12.14-2 on Azure Linux 3.0.
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