high7.1
CVE-2021-29964
A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read.
Impact
A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 89.0 |
| Mozilla | Firefox Esr | before 78.11 |
| Mozilla | Thunderbird | before 78.11 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1706501
- https://www.mozilla.org/security/advisories/mfsa2021-23/
- https://www.mozilla.org/security/advisories/mfsa2021-24/
- https://www.mozilla.org/security/advisories/mfsa2021-26/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1706501
- https://www.mozilla.org/security/advisories/mfsa2021-23/
- https://www.mozilla.org/security/advisories/mfsa2021-24/
- https://www.mozilla.org/security/advisories/mfsa2021-26/