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

What is CVE-2024-8384?

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.

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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
JSON
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