CVE-2026-8924 Affecting libcurl-openssl4 package, versions <8.21.0-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

Social Trends
EPSS
0.65% (47th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-LIBCURLOPENSSL4-17897891
  • published9 Jul 2026
  • disclosed3 Jul 2026

Introduced: 3 Jul 2026

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

How to fix?

Upgrade Minimos:latest libcurl-openssl4 to version 8.21.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl-openssl4 package and not the libcurl-openssl4 package as distributed by Minimos. See How to fix? for Minimos:latest 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