Vulnerabilities CVE-2026-2793

CVE-2026-2793

None

Open

TLP:CLEAR

Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148

NVD CVE.org

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Description

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 was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Details

EPSS Score ⓘ: 0.31%

24.1th percentile
Confidence: 90%
Published: Feb 24, 2026
Last Modified: Jul 15, 2026

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