CVE-2025-0238

Medium

Description

Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.

SeverityMedium
CVSS5.3
Exploit probability—
ProductMozilla Firefox
PublishedJan 7, 2025
First seenJan 7, 2025

How to fix

Update
  • mozilla firefox115.19.0, 134.0, 128.6.0 or later
  • mozilla thunderbird128.6, 134.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 115.19.0, v < 134.0, 116.0 ≤ v < 128.6.0115.19.0, 134.0, 128.6.0
mozilla thunderbirdv < 128.6, 129.0 ≤ v < 134.0128.6, 134.0

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