Trust Boundary Violation Affecting firefox-debugsource package, versions <0:140.13.0-1.el10_2


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.2% (11th percentile)

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  • Snyk IDSNYK-RHEL10-FIREFOXDEBUGSOURCE-18382068
  • published29 Jul 2026
  • disclosed21 Jul 2026

Introduced: 21 Jul 2026

CVE-2026-16387  (opens in a new tab)
CWE-501  (opens in a new tab)

How to fix?

Upgrade RHEL:10 firefox-debugsource to version 0:140.13.0-1.el10_2 or higher.
This issue was patched in RHSA-2026:47101.

NVD Description

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

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVSS Base Scores

version 3.1