CVE-2026-8964

High

Published: 19/05/2026(UTC)Translated: 15/06/2026(UTC)NVD NIST

Summary

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

An attacker could exploit this vulnerability to spoof content, potentially leading to fraud or data theft.

It is recommended to update to the latest version of Firefox 151 or Thunderbird 151 to mitigate this vulnerability.

Original NVD description (English source)

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.