CVE-2022-28282: Use After Free
By using a link with <code>rel="localization"</code> a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potential exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
Other sources
By using a link with rel="localization" a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potential exploitable crash.
By using a link with rel="localization" a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potentially exploitable crash.
— Mozilla
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2022-28282?
CVE-2022-28282 is a vulnerability that allows a use-after-free exploit by destroying an object during JavaScript execution and then referencing the object through a freed pointer, potentially leading to a crash.
Which software is affected by CVE-2022-28282?
CVE-2022-28282 affects Thunderbird < 91.8 and Firefox ESR < 91.8.
What is the severity of CVE-2022-28282?
CVE-2022-28282 has a severity rating of 6.5, which is classified as medium.
How can I fix CVE-2022-28282?
To fix CVE-2022-28282, update your Thunderbird to version 91.8 or higher, or update your Firefox ESR to version 91.8 or higher.
Where can I find more information about CVE-2022-28282?
You can find more information about CVE-2022-28282 on the Mozilla Bugzilla and Mozilla security advisories websites.