Vulnerability Description
Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4. 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 < 102.5, Thunderbird < 102.5, and Firefox < 107.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 107.0 |
| Mozilla | Firefox Esr | < 102.5 |
| Mozilla | Thunderbird | < 102.5 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1767920%2C1789808%2C1794061Issue TrackingNot Applicable
- https://www.mozilla.org/security/advisories/mfsa2022-47/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-48/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-49/Vendor Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1767920%2C1789808%2C1794061Issue TrackingNot Applicable
- https://www.mozilla.org/security/advisories/mfsa2022-47/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-48/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-49/Vendor Advisory
FAQ
What is CVE-2022-45421?
CVE-2022-45421 is a vulnerability with a CVSS score of 8.8 (HIGH). Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4. Some of these bugs showed evidence of memory corruption and we presume that with enoug...
How severe is CVE-2022-45421?
CVE-2022-45421 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-45421?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.