Memory Corruption Vulnerability in Firefox (< 130, < 128.2, < 115.15)
CVE-2024-8384

9.8CRITICAL

Key Information:

Vendor
Mozilla
Status
Firefox
Firefox Esr
Thunderbird
Vendor
CVE Published:
3 September 2024

Summary

The JavaScript garbage collector in affected versions of Firefox and Thunderbird exhibits a flaw that can lead to memory corruption under specific out-of-memory (OOM) conditions. When OOM scenarios are encountered during the garbage collection process, cross-compartment objects may be incorrectly colored, resulting in potentially unstable application behavior. This vulnerability targets users of Firefox and Thunderbird, necessitating urgent updates to mitigate the risk of exploitation.

Affected Version(s)

Firefox < 130

Firefox ESR < 128.2

Firefox ESR < 115.15

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1911288
https://www.mozilla.org/security/advisories/mfsa2024-39/
https://www.mozilla.org/security/advisories/mfsa2024-40/

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

the Mozilla Fuzzing Team
.