CVE-2022-45421
Last modified
CVE-2022-45421 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 107.0 |
| Mozilla | Firefox Esr | < 102.5 |
| Mozilla | Thunderbird | < 102.5 |
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1767920%2C1789808%2C1794061Issue Tracking, Not 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 Tracking, Not 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
Timeline
- Published
- Last Modified
- Status
- Modified
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