Out-of-bounds Read Affecting python3.12-devel package, versions <0:3.12.12-4.el9_7


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.22% (44th percentile)

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  • Snyk IDSNYK-ALMALINUX9-PYTHON312DEVEL-15161164
  • published31 Jan 2026
  • disclosed3 Feb 2026

Introduced: 31 Jan 2026

CVE-2025-13836  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 python3.12-devel to version 0:3.12.12-4.el9_7 or higher.
This issue was patched in ALSA-2026:1408.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.12-devel package and not the python3.12-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially causing OOM or other DoS.

CVSS Base Scores

version 3.1