CVE-2025-6430 Affecting mozjs128 package, versions <128.14.0-160000.1.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.27% (17th percentile)

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  • Snyk IDSNYK-SLES1600-MOZJS128-14375792
  • published11 Dec 2025
  • disclosed3 Dec 2025

Introduced: 3 Dec 2025

CVE-2025-6430  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 mozjs128 to version 128.14.0-160000.1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mozjs128 package and not the mozjs128 package as distributed by SLES. See How to fix? for SLES:16.0.0 relevant fixed versions and status.

When a file download is specified via the Content-Disposition header, that directive would be ignored if the file was included via a &amp;lt;embed&amp;gt; or &amp;lt;object&amp;gt; tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

CVSS Base Scores

version 3.1