CVE-2022-28282

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022

How to fix

Update
  • mozilla firefox99.0 or later
  • mozilla firefox_esr91.8 or later
  • mozilla thunderbird91.8 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 99.099.0
mozilla firefox_esrv < 91.891.8
mozilla thunderbirdv < 91.891.8

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