Red Hat Security Advisory

RHSA-2026:10117

Red Hat Hardened Images RPMs Security Update

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

Fixed in

Red Hat Hardened Images python3.13-3.13.13-1.1.hum1@aarch64, python3.13-3.13.13-1.1.hum1@src, python3.13-3.13.13-1.1.hum1@x86_64 +16

Fixes 3 records

TI-2026-05344 CVE-2026-6100 · GHSA-pg25-7cx5-cvcm

Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure

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

TI-2026-04175 CVE-2026-4786 · GHSA-cccx-m78h-m3xw

Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()

LOW 33

Mitgation of CVE-2026-4519 was incomplete.

CVSS 4.0HIGH 7.0 Local No auth User interaction EPSS 0.0029 Published 2026-04-13 Partial fix · 3.10.21, 3.11.16 +4 CWE-77

TI-2026-01196 CVE-2026-1502 · GHSA-hjxq-7w9q-2jw6

HTTP client proxy tunnel headers not validated for CR/LF

LOW 26

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.

CVSS 4.0MEDIUM 5.7 Network High privileges User interaction EPSS 0.00535 Published 2026-04-10 Partial fix · 3.10.21, 3.11.16 +4 CWE-93