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Cve-2026-4712

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medium advisory

Mozilla Firefox and Thunderbird Information Disclosure Vulnerability (CVE-2026-4712)

CVE-2026-4712 is an information disclosure vulnerability in the Widget: Cocoa component affecting Firefox versions less than 149, Firefox ESR versions less than 140.9, Thunderbird versions less than 149, and Thunderbird versions less than 140.9, potentially allowing a remote attacker to access sensitive information.

Firefox +1 information disclosure thunderbird cve-2026-4712
2r 1t