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
Red Hat Product Security released an advisory (RHSA-2026:20566) addressing three Firefox vulnerabilities: CVE-2026-8090 (use-after-free in the DOM networking component), CVE-2026-8092 (memory safety bugs), and CVE-2026-8094 (issue in the WebRTC component). These vulnerabilities affect Firefox versions distributed with Red Hat Enterprise Linux 8 and are fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2, and Firefox 150.0.2. The advisory provides updated packages for multiple architectures and instructs users to apply the update to remediate the issues. No CVSS scores are provided in the advisory, but the severity is rated as Important.
Potential Impact
The vulnerabilities include use-after-free and memory safety bugs that could potentially lead to security issues such as crashes or exploitation of memory corruption. The WebRTC component issue may affect real-time communication features. Red Hat rates the overall security impact as Important, indicating a high severity level but not critical. There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated Firefox packages (e.g., firefox-140.10.2-1.el8_10) that fix these vulnerabilities. Users of Red Hat Enterprise Linux 8 should apply these official updates promptly to remediate the issues. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since this is 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
Red Hat Product Security released an advisory (RHSA-2026:20566) addressing three Firefox vulnerabilities: CVE-2026-8090 (use-after-free in the DOM networking component), CVE-2026-8092 (memory safety bugs), and CVE-2026-8094 (issue in the WebRTC component). These vulnerabilities affect Firefox versions distributed with Red Hat Enterprise Linux 8 and are fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2, and Firefox 150.0.2. The advisory provides updated packages for multiple architectures and instructs users to apply the update to remediate the issues. No CVSS scores are provided in the advisory, but the severity is rated as Important.
Potential Impact
The vulnerabilities include use-after-free and memory safety bugs that could potentially lead to security issues such as crashes or exploitation of memory corruption. The WebRTC component issue may affect real-time communication features. Red Hat rates the overall security impact as Important, indicating a high severity level but not critical. There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released updated Firefox packages (e.g., firefox-140.10.2-1.el8_10) that fix these vulnerabilities. Users of Red Hat Enterprise Linux 8 should apply these official updates promptly to remediate the issues. Detailed update instructions are available at https://access.redhat.com/articles/11258. Since this is 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-2026:20566
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-8092","CVE-2026-8094"]
- Cvss Version
- null
Threat ID: 6a16097be29bf47b50647bda
Added to database: 05/26/2026, 20:58:35 UTC
Last enriched: 06/28/2026, 00:21:22 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 53
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