Description

Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. 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 affects Firefox < 149.0.2 and Thunderbird < 149.0.2.

INFO

Published Date :

2026-04-07T12:43:15.857Z

Last Modified :

2026-04-08T03:55:31.327Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2026-5735 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Thunderbird
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-5735.

URL Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=2025475%2C2025477 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-25/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-28/ cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact