Red Hat Security Advisory: firefox security update
Affects Red Hat firefoxSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 4.7 Medium.
Data as of 8 Nov 2026, 06:35 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 4.7 |
|---|
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 9 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.
What to do
AI-suggested
Red Hat has released updated Firefox packages that address these vulnerabilities. Users of affected Red Hat Enterprise Linux 9 versions should apply the Firefox update as provided in the advisory (RHSA-2024:4500). Detailed update instructions are available at Red Hat's official update article. Since a fix is available, applying the update is the recommended mitigation.
Description
This security advisory from Red Hat addresses multiple vulnerabilities in Mozilla Firefox, including memory safety bugs, a race condition in permission assignment, and memory corruption during thread creation. These issues are fixed in Firefox 128, Firefox ESR 115.13, and Thunderbird 115.13. The update is rated as important by Red Hat Product Security and affects various Red Hat Enterprise Linux 9 variants. No CVSS score is provided in the advisory.
References
- access.redhat.com/errata/RHSA-2024:4500 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2296636 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2296638 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2296639 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_4500.json (opens in a new tab)