Known Vulnerabilities for Firefox by Mozilla

Listed below are 10 of the newest known vulnerabilities associated with "Firefox" by "Mozilla".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-24869 json Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2. Not Provided 2026-01-27 2026-04-13
CVE-2026-24868 json Mitigation bypass in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 147.0.2. Not Provided 2026-01-27 2026-04-13
CVE-2026-7324 json Memory safety bugs present in Firefox 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that wi... Not Provided 2026-04-28 2026-04-28
CVE-2026-7323 json Memory safety bugs present in Firefox ESR 140.10.0 and Firefox 150.0.0. Some of these bugs showed evidence of memory corrupti... Not Provided 2026-04-28 2026-04-28
CVE-2026-7322 json Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. Some of these bugs showed evide... Not Provided 2026-04-28 2026-04-28
CVE-2026-7321 json Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Fire... Not Provided 2026-04-28 2026-04-29
CVE-2026-7320 json Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Fir... Not Provided 2026-04-28 2026-04-28
CVE-2026-6786 json Memory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs s... Not Provided 2026-04-26 2026-04-22
CVE-2026-6785 json Memory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. ... Not Provided 2026-04-26 2026-04-22
CVE-2026-6784 json Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we... Not Provided 2026-04-21 2026-04-29
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMozillaFirefox9.0.1
ApplicationMozillaFirefox9.0
ApplicationMozillaFirefox84.0
ApplicationMozillaFirefox84.0
ApplicationMozillaFirefox83.0
ApplicationMozillaFirefox82.0
ApplicationMozillaFirefox81.0
ApplicationMozillaFirefox80.0
ApplicationMozillaFirefox80.0
ApplicationMozillaFirefox80.0
ApplicationMozillaFirefox8.0.1
ApplicationMozillaFirefox8.0
ApplicationMozillaFirefox79.0
ApplicationMozillaFirefox78.0.2
ApplicationMozillaFirefox78.0.1
ApplicationMozillaFirefox78.0
ApplicationMozillaFirefox77.0.1
ApplicationMozillaFirefox77.0
ApplicationMozillaFirefox76.0.1
ApplicationMozillaFirefox76.0
Results limited to 20 most recent known configurations
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