CVE-2022-3266: Medium severity Mozilla Thunderbird vulnerability
An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash.
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 the vulnerability ID for this issue?
The vulnerability ID is CVE-2022-3266.
What is the severity of CVE-2022-3266?
The severity of CVE-2022-3266 is high with a severity value of 7.
Which software is affected by CVE-2022-3266?
CVE-2022-3266 affects Mozilla Thunderbird up to version 102.3, Mozilla Firefox up to version 105, and Mozilla Firefox ESR up to version 102.3.
What is the impact of CVE-2022-3266?
CVE-2022-3266 can result in a potentially exploitable crash due to an out-of-bounds read when decoding H264 video.
How can I fix CVE-2022-3266?
To fix CVE-2022-3266, update Mozilla Thunderbird to version 102.3 or later, Mozilla Firefox to version 105 or later, or Mozilla Firefox ESR to version 102.3 or later.