CVE-2023-34416: Critical severity Mozilla Thunderbird vulnerability
Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. 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 < 102.12, Firefox < 114, and Thunderbird < 102.12.
Other sources
Mozilla developers and community members Gabriele Svelto, Andrew McCreight, the Mozilla Fuzzing Team, Sean Feng, and Sebastian Hengst reported memory safety bugs present in Firefox 113 and Firefox ESR 102.11. 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.
— Mozilla
Mozilla developers and community members Gabriele Svelto, Andrew McCreight, the Mozilla Fuzzing Team, Sean Feng, and Sebastian Hengst reported memory safety bugs present in Thunderbird 102.11. 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
ubuntu/firefoxto a version that resolves this vulnerability.Fixed in 114.0+ - Upgrade
Upgrade
ubuntu/thunderbirdto a version that resolves this vulnerability.Fixed in 1:102.13.0+ - Upgrade
Upgrade
ubuntu/mozjs102to a version that resolves this vulnerability.Fixed in 102.12.0-0ubuntu0.22.04.1 - Upgrade
Upgrade
ubuntu/mozjs102to a version that resolves this vulnerability.Fixed in 102.12.0-0ubuntu0.22.10.1 - Upgrade
Upgrade
ubuntu/mozjs102to a version that resolves this vulnerability.Fixed in 102.12.0-0ubuntu0.23.04.1 - Upgrade
Upgrade
ubuntu/mozjs102to a version that resolves this vulnerability.Fixed in 102.12.0 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 123.0-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.8.0esr-1~deb10u1Fixed in 115.7.0esr-1~deb11u1Fixed in 115.8.0esr-1~deb11u1Fixed in 115.7.0esr-1~deb12u1Fixed in 115.8.0esr-1~deb12u1Fixed in 115.8.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.8.0-1~deb10u1Fixed in 1:115.7.0-1~deb11u1Fixed in 1:115.8.0-1~deb11u1Fixed in 1:115.7.0-1~deb12u1Fixed in 1:115.8.0-1~deb12u1Fixed in 1:115.7.0-1Fixed in 1:115.8.1-1 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 102.12 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 114 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 102.12
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2023-34416?
CVE-2023-34416 is a memory safety bug present in Firefox 113 and Firefox ESR 102.11 as well as Thunderbird 102.12.
What is the severity of CVE-2023-34416?
The severity of CVE-2023-34416 is high (severity value: 7).
How does CVE-2023-34416 impact Mozilla Thunderbird?
CVE-2023-34416 affects Mozilla Thunderbird versions up to and including 102.12.
How does CVE-2023-34416 impact Mozilla Firefox?
CVE-2023-34416 affects Mozilla Firefox versions up to and including 114.
Where can I find more information about CVE-2023-34416?
You can find more information about CVE-2023-34416 in the following references: [Reference 1](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1752703%2C1818394%2C1826875%2C1827340%2C1827655%2C1828065%2C1830190%2C1830206%2C1830795%2C1833339), [Reference 2](https://www.mozilla.org/security/advisories/mfsa2023-19/), [Reference 3](https://www.mozilla.org/security/advisories/mfsa2023-20/)