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CVE-2026-16409 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-16409

CVE-2026-16409

HIGH7.5

Invalid pointer in the Security: PSM component

Published Jul 21, 2026

Modified 3 months ago

Details

Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2052134

https://www.cve.org/CVERecord?id=CVE-2026-16409

https://www.mozilla.org/security/advisories/mfsa2026-68/

https://www.mozilla.org/security/advisories/mfsa2026-71/

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Ecosystems

Timeline

PublishedJul 21, 2026

ModifiedJul 23, 2026