CVE-2026-6785
Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150
Description
Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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, Firefox ESR 115.35, and Firefox ESR 140.10.
INFO
Published Date :
April 21, 2026, 12:41 p.m.
Last Modified :
April 21, 2026, 12:41 p.m.
Remotely Exploit :
No
Source :
mozilla
Affected Products
The following products are affected by CVE-2026-6785
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update Firefox to version 150 or later.
- Update Firefox ESR to version 115.35 or later.
- Update Firefox ESR to version 140.10 or later.
- Update Thunderbird to version 150 or later.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-6785 vulnerability anywhere in the article.