CVE-2024-8384: The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were
Source GCVE Database
Not known to be exploited · CVSS 9.8 Critical · fixed in 130 : patch affected systems as a priority.
Data as of 3 Nov 2026, 17:25 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 9.8 |
|---|
- Patch
- Available – fixed in 130, 128.2, 115.15
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 3 Sep 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 3 Nov 2026.
What to do
AI-suggested
This vulnerability is fixed in Firefox 130 and Firefox ESR 128.2. Users and administrators should update affected Firefox and Firefox ESR installations to these versions or later to remediate the issue. No additional mitigation actions are required beyond applying the official updates.
Description
CVE-2024-8384 is a vulnerability in the JavaScript garbage collector of Firefox browsers where out-of-memory (OOM) conditions at a specific point between garbage collection passes could cause mis-coloring of cross-compartment objects, potentially leading to memory corruption. This issue affects Firefox versions prior to 130 and Firefox ESR versions prior to 128.2 and 115.15. The vulnerability has a high severity impact and is addressed in Firefox 130 and Firefox ESR 128.2.
References
- nvd.nist.gov/vuln/detail/CVE-2024-8384 (opens in a new tab)
- bugzilla.mozilla.org/show_bug.cgi?id=1911288 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2024/09/msg00012.html (opens in a new tab)
- lists.debian.org/debian-lts-announce/2024/09/msg00025.html (opens in a new tab)
- mozilla.org/security/advisories/mfsa2024-39 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2024-40 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2024-41 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2024-43 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2024-44 (opens in a new tab)