CVE-2026-2793

Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. 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 < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.

The following products are affected by CVE-2026-2793 vulnerability.

No data.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2793.

URL	Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=2015196%2C2016423%2C2016498
https://www.mozilla.org/security/advisories/mfsa2026-13/
https://www.mozilla.org/security/advisories/mfsa2026-14/
https://www.mozilla.org/security/advisories/mfsa2026-15/