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Red Hat Security Advisory

RHSA-2026:10141

Red Hat Enterprise Linux AI 3.3.1

Released 2026-04-23 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 6 records

Priority MEDIUM 42

Use-after-free (UAF) was possible in the `lzma.LZMADecompressor`, `bz2.BZ2Decompressor`, and `gzip.GzipFile` when a memory allocation fails with a `MemoryError` and the decompression instance is re-used.

CVSS 4.0CRITICAL 9.1 Network No auth No interaction EPSS 0.00579 Published 2026-04-13 Partial fix · 3.10.21, 3.11.16 +4 CWE-416
Priority MEDIUM 40

url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00827 Published 2026-03-06 Partial fix · 1.25.8, 1.26.1 CWE-425
Priority LOW 33

The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers.

CVSS 4.0HIGH 7.0 Local No auth User interaction EPSS 0.0032 Published 2026-03-20 Fixed in 3.10.21, 3.11.16 +4 CWE-20