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-2026-44659 json Zen is a firefox-based browser. Prior to 1.19.12b, the ZEN Browser incorrectly truncates long hostnames in the address bar an... Not Provided 2026-05-11 2026-05-12
CVE-2026-44658 json Zen is a firefox-based browser. Prior to 1.19.12b, RSS feed URLs entered by the user are validated to http: or https: in prom... Not Provided 2026-05-11 2026-05-11
CVE-2026-42177 json linux-entra-sso is a browser plugin for Linux to SSO on Microsoft Entra ID. Prior to 1.8.1, platform/chrome/js/platform-chrom... Not Provided 2026-05-12 2026-05-13
CVE-2026-41431 json Zen is a firefox-based browser. Prior to 1.19.9b, Zen Browser ships a Mozilla Application Resource (MAR) updater (org.mozilla... Not Provided 2026-05-11 2026-05-11
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-2026-9078 json Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link... Not Provided 2026-05-25 2026-05-26
CVE-2026-8975 json Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of m... Not Provided 2026-05-19 2026-05-26
CVE-2026-8974 json Memory safety bugs present in Firefox ESR 140.10 and Firefox 150. Some of these bugs showed evidence of memory corruption and... Not Provided 2026-05-19 2026-05-26
CVE-2026-8973 json Memory safety bugs present in Firefox 150. Some of these bugs showed evidence of memory corruption and we presume that with e... Not Provided 2026-05-19 2026-05-26
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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