CVE-2022-29917: Critical severity Mozilla Firefox vulnerability
Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 99 and Firefox ESR 91.8. 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 Gabriele Svelto, Tom Ritter and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 91.8. 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
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 91.9 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 100 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 91.9 - Upgrade
Upgrade
alpine/firefoxto a version that resolves this vulnerability.Fixed in 100.0-r0 - Upgrade
Upgrade
alpine/firefox-esrto a version that resolves this vulnerability.Fixed in 91.9.0-r0 - Upgrade
Upgrade
alpine/librewolfto a version that resolves this vulnerability.Fixed in 100.0-r0 - Upgrade
Upgrade
alpine/thunderbirdto a version that resolves this vulnerability.Fixed in 91.9.0-r0 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 91.9.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:91.9.0-1 - 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 severity of CVE-2022-29917?
CVE-2022-29917 is categorized as a memory safety vulnerability which can potentially lead to memory corruption.
How do I fix CVE-2022-29917?
To fix CVE-2022-29917, update to Firefox versions 100 or later, or Firefox ESR version 91.9.
Which versions of software are affected by CVE-2022-29917?
CVE-2022-29917 affects Firefox versions up to 99, Firefox ESR versions up to 91.8, and Thunderbird versions up to 91.8.
Can CVE-2022-29917 be exploited?
Although it's presumed that with enough effort CVE-2022-29917 could be exploited, there is currently no public evidence of widespread exploitation.
Who reported CVE-2022-29917?
CVE-2022-29917 was reported by Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter, and the Mozilla Fuzzing Team.