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CVE-2026-4726

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Moole Vulnerability Database

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Vulnerability Database › CVE-2026-4726

High

CVE-2026-4726

Denial-of-service in the XML component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.

VectorNETWORK

PublishedMar 24, 2026, 13:16

Published Bysecurity@mozilla.org

Base Score

Score7.5

Affected Versions

No affected versions found.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1955311
https://www.mozilla.org/security/advisories/mfsa2026-20/
https://www.mozilla.org/security/advisories/mfsa2026-23/

Weakness Type

CWE-400

CVSS Metrics

Base Score

7.5

Vector String

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

Base SeverityHigh

Version

3.1

Attack Vector (AV)

NETWORK