Known Vulnerabilities for Firefox Esr by Mozilla

Listed below are 10 of the newest known vulnerabilities associated with "Firefox Esr" 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 2026-05-11
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 2026-05-12
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-2026-8401 json Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3. Not Provided 2026-05-12 2026-05-12
CVE-2026-8391 json Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3. Not Provided 2026-05-12 2026-05-12
CVE-2026-8390 json Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3. Not Provided 2026-05-12 2026-05-12
CVE-2026-8389 json JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3. Not Provided 2026-05-12 2026-05-12
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMozillaFirefox Esr78.6.0
ApplicationMozillaFirefox Esr78.4.0
ApplicationMozillaFirefox Esr78.3
ApplicationMozillaFirefox Esr78.2
ApplicationMozillaFirefox Esr78.1
ApplicationMozillaFirefox Esr78.0
ApplicationMozillaFirefox Esr68.9.0
ApplicationMozillaFirefox Esr68.8.0
ApplicationMozillaFirefox Esr68.7.0
ApplicationMozillaFirefox Esr68.6.1
ApplicationMozillaFirefox Esr68.6.0
ApplicationMozillaFirefox Esr68.5.0
ApplicationMozillaFirefox Esr68.4.1
ApplicationMozillaFirefox Esr68.4.0
ApplicationMozillaFirefox Esr68.4
ApplicationMozillaFirefox Esr68.3.0
ApplicationMozillaFirefox Esr68.3
ApplicationMozillaFirefox Esr68.12
ApplicationMozillaFirefox Esr68.11.0
ApplicationMozillaFirefox Esr68.11
Results limited to 20 most recent known configurations
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