CVE-2026-15308 Affecting platform-python-debug package, versions <0:3.6.8-77.el8_10.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.55% (43rd percentile)

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  • Snyk IDSNYK-ALMALINUX8-PLATFORMPYTHONDEBUG-17988754
  • published16 Jul 2026
  • disclosed15 Jul 2026

Introduced: 15 Jul 2026

NewCVE-2026-15308  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 platform-python-debug to version 0:3.6.8-77.el8_10.alma.1 or higher.
This issue was patched in ALSA-2026:39320.

NVD Description

Note: Versions mentioned in the description apply only to the upstream platform-python-debug package and not the platform-python-debug package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

The incremental HTML parser (html.parser.HTMLParser) allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data.

CVSS Base Scores

version 3.1