CVE-2023-5728

High

Description

During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMozilla Firefox
PublishedOct 25, 2023
First seenOct 25, 2023

How to fix

Update
  • mozilla firefox119.0 or later
  • mozilla firefox_esr115.4 or later
  • mozilla thunderbird115.4.1 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 119.0119.0
mozilla firefox_esrv < 115.4115.4
mozilla thunderbirdv < 115.4.1115.4.1
debian debian_linux10.0, 11.0—

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