Red Hat Security AdvisoryRHSA-2026:65531
Red Hat Hardened Images RPMs Security Update
Released 2026-09-08 · Red Hat rating Moderate · View on Red Hat →
Fixed in
- Red Hat Hardened Images python3.12-3.12.14-1.1.hum1@aarch64, python3.12-3.12.14-1.1.hum1@src, python3.12-3.12.14-1.1.hum1@x86_64 +12
Fixes 4 records
Priority MEDIUM 60
The HTTPPasswordMgr class in the urllib.request module, along with its subclasses HTTPPasswordMgrWithDefaultRealm and HTTPPasswordMgrWithPriorAuth, did not take the URL scheme into account when matching stored credential…
CVSS 4.0MEDIUM 6.0· Network · No auth · User interaction · EPSS 0.00528 · Published 2026-08-18 · Fixed in 3.10.22, 3.11.17 +4 CWE-319
Priority LOW 28
The tarfile module's tar and data extraction filters created directories outside the destination for members whose name leaves the destination and returns to it, such as ../evil/../dest/sub/file.
CVSS 4.0MEDIUM 6.3· Network · No auth · No interaction · EPSS 0.00472 · Published 2026-08-19 · Partial fix · 3.16.0 CWE-22
Priority LOW 28
The "stringprep" module didn't process characters from RFC 3454 tables B.2 or B.3 correctly: the latest Unicode codepoint attributes were used instead of the specified Unicode 3.2.0.
CVSS 4.0MEDIUM 6.0· Network · No auth · User interaction · EPSS 0.00734 · Published 2026-08-18 · Fixed in 3.10.22, 3.11.17 +4 CWE-436
Priority LOW 12
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.
CVSS 4.0LOW 2.1· Network · No auth · User interaction · EPSS 0.00526 · Published 2026-08-25 · Fixed in 3.10.22, 3.11.17 +4 CWE-400