Red Hat Security Advisory: firefox security update
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.
AI Analysis
Technical Summary
This advisory addresses three security vulnerabilities in Mozilla Firefox as packaged for Red Hat Enterprise Linux 9. The vulnerabilities include a use-after-free in the DOM networking component (CVE-2026-8090), memory safety bugs (CVE-2026-8092), and an issue in the WebRTC component (CVE-2026-8094). These issues have been fixed in Firefox ESR versions 115.35.2, 140.10.2, and Firefox 150.0.2. The advisory references Red Hat's errata RHSA-2026:20574 and provides updated packages for multiple architectures. No CVSS scores are provided in the advisory. Red Hat rates the update as important, indicating a high security impact. No known exploits in the wild have been reported.
Potential Impact
The vulnerabilities include use-after-free and memory safety bugs, which can lead to potential memory corruption and security issues within the Firefox browser. These could be exploited to cause crashes or potentially execute arbitrary code. The WebRTC component issue may affect real-time communication features. The overall impact is rated as high by the source data, but no active exploitation is known at this time.
Mitigation Recommendations
Red Hat has released updated Firefox packages (e.g., firefox-140.10.2-1.el9_8) for Red Hat Enterprise Linux 9 that address these vulnerabilities. Users should apply these official updates promptly to remediate the issues. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since the vendor provides an official fix, applying the update is the recommended mitigation.
Red Hat Security Advisory: firefox security update
Description
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.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory addresses three security vulnerabilities in Mozilla Firefox as packaged for Red Hat Enterprise Linux 9. The vulnerabilities include a use-after-free in the DOM networking component (CVE-2026-8090), memory safety bugs (CVE-2026-8092), and an issue in the WebRTC component (CVE-2026-8094). These issues have been fixed in Firefox ESR versions 115.35.2, 140.10.2, and Firefox 150.0.2. The advisory references Red Hat's errata RHSA-2026:20574 and provides updated packages for multiple architectures. No CVSS scores are provided in the advisory. Red Hat rates the update as important, indicating a high security impact. No known exploits in the wild have been reported.
Potential Impact
The vulnerabilities include use-after-free and memory safety bugs, which can lead to potential memory corruption and security issues within the Firefox browser. These could be exploited to cause crashes or potentially execute arbitrary code. The WebRTC component issue may affect real-time communication features. The overall impact is rated as high by the source data, but no active exploitation is known at this time.
Mitigation Recommendations
Red Hat has released updated Firefox packages (e.g., firefox-140.10.2-1.el9_8) for Red Hat Enterprise Linux 9 that address these vulnerabilities. Users should apply these official updates promptly to remediate the issues. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since the vendor provides an official fix, applying the update is the recommended mitigation.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:20574
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-8092","CVE-2026-8094"]
- Cvss Version
- null
Threat ID: 6a16097be29bf47b50648127
Added to database: 05/26/2026, 20:58:35 UTC
Last enriched: 06/28/2026, 00:19:58 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 61
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