high8.8
CVE-2021-38493
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13.
Impact
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 92.0 |
| Mozilla | Firefox Esr | before 78.14 |
| Mozilla | Thunderbird | before 78.14 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1724101%2C1724107
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://www.mozilla.org/security/advisories/mfsa2021-38/
- https://www.mozilla.org/security/advisories/mfsa2021-39/
- https://www.mozilla.org/security/advisories/mfsa2021-42/
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1724101%2C1724107
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://www.mozilla.org/security/advisories/mfsa2021-38/
- https://www.mozilla.org/security/advisories/mfsa2021-39/
- https://www.mozilla.org/security/advisories/mfsa2021-42/