CVE-2026-7324

High

Description

Memory safety bugs present in Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1 and Thunderbird 150.0.1.

SeverityHigh
CVSS7.3
Exploit probability23. percentile0.3%
ProductMozilla Firefox
PublishedApr 28, 2026
First seenApr 28, 2026

How to fix

Update
  • mozilla firefox150.0.1 or later
  • mozilla thunderbird150.0.1 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 150.0.1150.0.1
mozilla thunderbirdv < 150.0.1150.0.1

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CVE-2026-7324 · Mozilla Firefox · Dark Radar