CVE-2026-8924 Affecting libcurl package, versions <0:8.12.1-4.el10_2.6


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.66% (50th percentile)

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  • Snyk IDSNYK-ALMALINUX10-LIBCURL-20056583
  • published23 Sept 2026
  • disclosed12 Oct 2026

Introduced: 23 Sep 2026

NewCVE-2026-8924  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:10 libcurl to version 0:8.12.1-4.el10_2.6 or higher.
This issue was patched in ALSA-2026:69125.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl package and not the libcurl package as distributed by AlmaLinux. See How to fix? for AlmaLinux:10 relevant fixed versions and status.

A flaw in curl’s cookie parsing logic allows a malicious HTTP server to set "super cookies" that bypass the Public Suffix List check. This enables an attacker-controlled origin to inject cookies that curl subsequently scopes and transmits to unrelated third-party domains.

CVSS Base Scores

version 3.1