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Security Vulnerabilities fixed in Firefox ESR 153.3 — Mozilla

🗓️ 15 Sep 2026 00:00:00Reported by Mozilla FoundationType 
mozilla
 mozilla
🔗 www.mozilla.org👁 3 Views

Firefox ESR 153.3 fixes privilege escalation in CanvasWebGL and use-after-free in Web Codecs.

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CVE-2026-92005
15 Sep 202612:33
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CVE-2026-92006
15 Sep 202612:33
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CVE-2026-92007
15 Sep 202612:33
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CVE-2026-92008
15 Sep 202612:33
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CVE-2026-92009
15 Sep 202612:33
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CVE-2026-92010
15 Sep 202612:33
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CVE-2026-92011
15 Sep 202612:33
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CVE-2026-92012
15 Sep 202612:33
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CVE-2026-92013
15 Sep 202612:33
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CVE-2026-92015
15 Sep 202612:33
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mozillafirefoxRange<153.3esr

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15 Sep 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.8
SSVC
3