CVE-2026-8092High· 8.1▾ TwilightMemory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run a…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 44.6 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 28.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.4%
Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
firefox < 115.35.2firefox >= 140.0, < 140.10.2firefox >= 150.0, < 150.0.2thunderbird >= 140.0, < 140.10.2thunderbird >= 150.0, < 150.0.2Upgrade past the affected range:
firefox 150.0.2thunderbird 150.0.2Connected by shared product, vendor, weakness, or advisory.
CVE-2026-8090High· 7.3Use-after-free in the DOM: Networking component
CVE-2026-8975High· 8.8Memory safety bugs present in Firefox ESR 115.35, Firefox ESR 140.10 and Firefox 150
CVE-2026-8946High· 7.5Incorrect boundary conditions in the Audio/Video: Web Codecs component
CVE-2026-8094Critical· 9.8Other issue in the WebRTC component
CVE-2026-8091Critical· 9.8Incorrect boundary conditions in the Audio/Video: Playback component
CVE-2026-12298Medium· 5.4Memory safety bug fixed in Firefox 152