CVE-2022-45421: High severity Mozilla Thunderbird vulnerability
Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Firefox 106 and Firefox ESR 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.
Other sources
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 102.5 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 102.5 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 107 - Upgrade
Upgrade
alpine/firefox-esrto a version that resolves this vulnerability.Fixed in 102.5.0-r0 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 102.5.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:102.5.0-1 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 159.0.1-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 140.12.0esr-1~deb12u1Fixed in 153.6.0esr-1~deb12u2Fixed in 140.15.0esr-1~deb13u1Fixed in 153.6.0esr-1~deb13u1Fixed in 153.5.1esr-1Fixed in 153.6.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:140.12.0esr-1~deb12u1Fixed in 1:153.6.0esr-1~deb12u2Fixed in 1:140.12.0esr-1~deb13u1Fixed in 1:153.6.0esr-1~deb13u1Fixed in 1:153.5.0esr-1Fixed in 1:153.6.0esr-1 - Upgrade
Upgrade
redhat/firefoxto a version that resolves this vulnerability.Fixed in 102.5 - Upgrade
Upgrade
redhat/thunderbirdto a version that resolves this vulnerability.Fixed in 102.5
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2022-45403
- CVE-2022-45404
- CVE-2022-45405
- CVE-2022-45406
- CVE-2022-45408
- CVE-2022-45409
- CVE-2022-45410
- CVE-2022-45411
- CVE-2022-45412
- CVE-2022-45416
- CVE-2022-45418
- CVE-2022-45420
- CVE-2022-45421
- CVE-2022-45407
- CVE-2022-45413
- CVE-2022-40674
- CVE-2022-45415
- CVE-2022-45417
- CVE-2022-46882
- CVE-2022-45419
- CVE-2022-46883
- DLA-3196-1
- DLA-3199-1
Frequently Asked Questions
What is the severity of CVE-2022-45421?
The severity of CVE-2022-45421 is high with a severity value of 8.8.
Which software is affected by CVE-2022-45421?
CVE-2022-45421 affects Mozilla Thunderbird 102.4, Mozilla Firefox, and Mozilla Firefox ESR.
Are there any patches available for CVE-2022-45421?
Yes, patches are available for CVE-2022-45421. Update to Thunderbird 102.5, Firefox 107, or Firefox ESR 102.5 to fix the vulnerability.
How can CVE-2022-45421 be exploited?
CVE-2022-45421 can be exploited to run arbitrary code by exploiting memory corruption bugs.
Where can I find more information about CVE-2022-45421?
You can find more information about CVE-2022-45421 on Bugzilla and the Mozilla security advisories.