CVE-2026-12304

脆弱性の種類

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

影響を受ける製品

• mozilla firefox
• mozilla thunderbird

参考情報

• https://bugzilla.mozilla.org/show_bug.cgi?id=2034944
• https://www.mozilla.org/security/advisories/mfsa2026-57/
• https://www.mozilla.org/security/advisories/mfsa2026-58/
• https://www.mozilla.org/security/advisories/mfsa2026-60/
• https://www.mozilla.org/security/advisories/mfsa2026-61/