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medium advisory

Mozilla Firefox Security Updates Released

Mozilla released security updates on May 19, 2026, addressing vulnerabilities in Firefox versions prior to 151, Firefox ESR versions prior to 115.36, and Firefox ESR versions prior to 140.11.

Firefox +2 vulnerability mozilla
1r
medium advisory

Mozilla Firefox Multiple Vulnerabilities

Mozilla released security updates to address vulnerabilities in Firefox and Firefox ESR versions, potentially allowing for exploitation if left unpatched.

Firefox +1 vulnerability browser mozilla
2r 2t
medium advisory

Mozilla Firefox Multiple Vulnerabilities

Mozilla released a security advisory addressing vulnerabilities in Firefox and Firefox ESR versions prior to 150.0.1, 140.10.1, and 115.35.1, potentially leading to arbitrary code execution or information disclosure.

Firefox +1 vulnerability mozilla
2r 3t
medium advisory

Mozilla Firefox and Thunderbird Web Codecs Denial-of-Service Vulnerability (CVE-2026-4697)

CVE-2026-4697 is a denial-of-service vulnerability due to incorrect boundary conditions in the Audio/Video Web Codecs component of Mozilla Firefox and Thunderbird, potentially leading to application crashes.

cve-2026-4697 denial-of-service mozilla firefox thunderbird
2r 1t