CVE-2022-40960

Medium

Description

Concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

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

How to fix

Update
  • mozilla firefox105.0 or later
  • mozilla firefox_esr102.3 or later
  • mozilla thunderbird102.3 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 105.0105.0
mozilla firefox_esrv < 102.3102.3
mozilla thunderbirdv < 102.3102.3

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