CVE-2026-7322

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.3 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L                                    

Vulnerability Description

Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0, Thunderbird ESR 140.10.0, Firefox 150.0.0 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, and Firefox ESR 115.35.1.

Vulnerability Details

Published Date

April 28, 2026

Last Modified

May 01, 2026

CWE ID

CWE-119

Source

NVD

Vendor

mozilla

Product

firefox

External References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=2021904%2C2022731%2C2027158%2C2027733%2C2027973%2C2027976%2C2028231%2C2028731%2C2028886%2C2029067%2C2029700%2C2029724%2C2029806%2C2029814%2C2030108%2C2030111%2C2031524%2C2031921%2C2032040
https://www.mozilla.org/security/advisories/mfsa2026-35/
https://www.mozilla.org/security/advisories/mfsa2026-36/
https://www.mozilla.org/security/advisories/mfsa2026-37/

CVE-2026-7322

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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