Description
When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
Metrics
CVSS 3.1 6.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | >= unspecified, < 91.8 |
| Mozilla | Firefox | >= unspecified, < 99 |
| Mozilla | Firefox ESR | >= unspecified, < 91.8 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1756957Exploit, Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-13/Exploit, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-14/Exploit, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-15/Exploit, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1756957Exploit, Issue Tracking, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-13/Exploit, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-14/Exploit, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-15/Exploit, Vendor Advisory
Timeline
- Published
- Dec 22, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified