CVE-2022-40962: High severity Mozilla Thunderbird vulnerability
Mozilla developers Nika Layzell, Timothy Nikkel, Sebastian Hengst, Andreas Pehrson, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 104 and Firefox ESR 102.2. 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 Nika Layzell, Timothy Nikkel, Sebastian Hengst, Andreas Pehrson, and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102.2. 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 102.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 102.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 105 - Upgrade
Upgrade
alpine/firefox-esrto a version that resolves this vulnerability.Fixed in 102.3.0-r0 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 102.3.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:102.3.0-1 - 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
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2022-40962?
CVE-2022-40962 is a vulnerability that affects Mozilla Firefox and Mozilla Thunderbird versions up to and including Firefox 105 and Thunderbird 102.3, respectively.
What is the severity of CVE-2022-40962?
CVE-2022-40962 has a severity rating of 8.8 (high).
Are there any known fixes for CVE-2022-40962?
Yes, the affected software has been patched. For Firefox, update to version 105. For Firefox ESR, update to version 102.3. For Thunderbird, update to version 102.3.
What is the CWE ID of CVE-2022-40962?
The CWE ID of CVE-2022-40962 is 787.
Where can I find more information about CVE-2022-40962?
You can find more information about CVE-2022-40962 in the Mozilla Bugzilla and Mozilla Security Advisories.