CVE-2024-3857

High

Description

The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

SeverityHigh
CVSS7.8
Exploit probability—
ProductMozilla Firefox
PublishedApr 16, 2024
First seenApr 16, 2024

How to fix

Update
  • mozilla firefox115.10, 125.0 or later
  • mozilla thunderbird115.10 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 115.10, v < 125.0115.10, 125.0
mozilla thunderbirdv < 115.10115.10
debian debian_linux10.0—

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CVE-2024-3857 · Mozilla Firefox · Dark Radar