high8.8
CVE-2021-29976
Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird.
Impact
Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. 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 Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 90.0 |
| Mozilla | Firefox Esr | before 78.12 |
| Mozilla | Thunderbird | before 78.12 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1700895%2C1703334%2C1706910%2C1711576%2C1714391
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://www.mozilla.org/security/advisories/mfsa2021-28/
- https://www.mozilla.org/security/advisories/mfsa2021-29/
- https://www.mozilla.org/security/advisories/mfsa2021-30/
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1700895%2C1703334%2C1706910%2C1711576%2C1714391
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://www.mozilla.org/security/advisories/mfsa2021-28/
- https://www.mozilla.org/security/advisories/mfsa2021-29/
- https://www.mozilla.org/security/advisories/mfsa2021-30/