Description

Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 136 and Thunderbird 136.

INFO

Published Date :

2025-03-04T13:31:27.514Z

Last Modified :

2026-04-13T14:30:29.965Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2025-1943 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Thunderbird
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-1943.

URL Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1869650%2C1938451%2C1940326%2C1944052%2C1944063%2C1947281 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-1943 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-1943 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-14/ cve-icon cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-17/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

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