Vulnerabilities CVE-2026-7323

CVE-2026-7323

High

Open

TLP:CLEAR

Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

NVD CVE.org

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Description

Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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 150.0.1, Firefox ESR 140.10.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.

Details

CVSS Score: 7.3
EPSS Score ⓘ: 0.38%

30.3th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Confidence: 90%
Published: Apr 28, 2026
Last Modified: Jul 15, 2026

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