CVE-2026-16405 Affecting libfreebl3 package, versions <3.125-150400.3.74.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.26% (18th percentile)

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  • Snyk IDSNYK-SLES156-LIBFREEBL3-19858700
  • published16 Sept 2026
  • disclosed14 Sept 2026

Introduced: 14 Sep 2026

CVE-2026-16405  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 libfreebl3 to version 3.125-150400.3.74.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libfreebl3 package and not the libfreebl3 package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVSS Base Scores

version 3.1