CVE-2022-38478: High severity Mozilla Firefox vulnerability
Members the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103, Firefox ESR 102.1, and Firefox ESR 91.12. 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.
Other sources
Members the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102.1 and Thunderbird 91.12. 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.
— Mozilla
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 102.2 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 91.13 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 104 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 102.2 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 91.13
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-2022-38478?
CVE-2022-38478 is considered a high-severity vulnerability due to potential memory corruption and the risk of arbitrary code execution.
How do I fix CVE-2022-38478?
To fix CVE-2022-38478, update affected software to Thunderbird versions 102.2 or 91.13, Firefox ESR versions 102.2 or 91.13, or Firefox version 104.
Which software versions are affected by CVE-2022-38478?
CVE-2022-38478 affects Mozilla Firefox versions up to 104, Firefox ESR versions up to 102.2 and 91.13, and Thunderbird versions up to 102.2 and 91.13.
What types of vulnerabilities does CVE-2022-38478 include?
CVE-2022-38478 includes memory safety bugs that may lead to memory corruption.
Who reported the CVE-2022-38478 vulnerability?
CVE-2022-38478 was reported by members of the Mozilla Fuzzing Team.