Memory Safety Bugs Affect Firefox and Thunderbird

CVE-2024-8387

9.8CRITICAL

Key Information

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

Summary

Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.

Affected Version(s)

Firefox < 130

Firefox ESR < 128.2

Thunderbird < 128.2

Refferences

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1857607%2...
https://www.mozilla.org/security/advisories/mfsa2024-39/
https://www.mozilla.org/security/advisories/mfsa2024-40/
https://www.mozilla.org/security/advisories/mfsa2024-43/

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 Reserved

  • Vulnerability published

Collectors

NVD DatabaseMitre Database

Credit

the Mozilla Fuzzing Team, Yury Delendik
.