Summary
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
Security Fix(es):
* firefox: Other issue in the WebRTC component (CVE-2026-8094)
* firefox: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2 (CVE-2026-8092)
* firefox: Use-after-free in the DOM: Networking component (CVE-2026-8090)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 10 | firefox | 140.10.2-1.el10_2 |
Vulnerabilities 3
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Critical 9.8
Other issue in the WebRTC component
Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2 and Thunderbird 140.10.2.
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High 8.1
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2
Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 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 wa…
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High 7.3
Use-after-free in the DOM: Networking component
Use-after-free in the DOM: Networking component. 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.
References
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report
https://access.redhat.com/security/cve/CVE-2026-8090
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report
https://access.redhat.com/security/cve/CVE-2026-8092
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report
https://access.redhat.com/security/cve/CVE-2026-8094
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report
https://bugzilla.redhat.com/2467706
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report
https://bugzilla.redhat.com/2467708
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report
https://bugzilla.redhat.com/2467709
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advisory
https://errata.almalinux.org/10/ALSA-2026-19160.html