CVE-2025-5268 Affecting MozillaFirefox-devel package, versions <128.11.0-150200.152.185.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-SLES156-MOZILLAFIREFOXDEVEL-10303807
  • published5 Jun 2025
  • disclosed4 Jun 2025

Introduced: 4 Jun 2025

NewCVE-2025-5268  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 MozillaFirefox-devel to version 128.11.0-150200.152.185.1 or higher.

NVD Description

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

Memory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 139 and Firefox ESR < 128.11.

CVSS Base Scores

version 3.1