Red Hat Security Advisory: firefox security update
This Red Hat security advisory addresses multiple vulnerabilities in Mozilla Firefox, including a use-after-free flaw 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 vulnerabilities affect Red Hat Enterprise Linux 8 and related distributions. The advisory rates the security impact as Important (high severity) and provides updated Firefox packages to remediate these issues. No known exploits in the wild have been reported. Users of affected Red Hat products are advised to apply the provided Firefox updates to mitigate these vulnerabilities.
AI Analysis
Technical Summary
The advisory covers three Firefox vulnerabilities fixed in Red Hat Enterprise Linux 8 Firefox packages: CVE-2026-8090 is a use-after-free vulnerability in the DOM networking component; CVE-2026-8092 involves memory safety bugs fixed in Firefox ESR versions 115.35.2, 140.10.2, and Firefox 150.0.2; CVE-2026-8094 relates to an issue in the WebRTC component. These bugs could potentially lead to memory corruption or other security issues. Red Hat has released updated Firefox packages (version 140.10.2-1.el8_10) for multiple architectures to address these vulnerabilities. The advisory classifies the impact as Important and recommends updating to the fixed versions. No CVSS scores are provided in the advisory, and no exploits are currently known in the wild.
Potential Impact
The vulnerabilities include use-after-free and memory safety bugs that could be exploited to compromise the security of Firefox on affected Red Hat Enterprise Linux systems. The exact impact details and CVSS scores are not provided, but the advisory rates the overall security impact as Important (high severity). There are no known active exploits reported at this time.
Mitigation Recommendations
Red Hat has released updated Firefox packages that fix these vulnerabilities. Users should apply the Firefox update to version 140.10.2-1.el8_10 or later as provided by Red Hat for their respective architectures and Red Hat Enterprise Linux 8 variants. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Red Hat Security Advisory: firefox security update
Description
This Red Hat security advisory addresses multiple vulnerabilities in Mozilla Firefox, including a use-after-free flaw 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 vulnerabilities affect Red Hat Enterprise Linux 8 and related distributions. The advisory rates the security impact as Important (high severity) and provides updated Firefox packages to remediate these issues. No known exploits in the wild have been reported. Users of affected Red Hat products are advised to apply the provided Firefox updates to mitigate these vulnerabilities.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The advisory covers three Firefox vulnerabilities fixed in Red Hat Enterprise Linux 8 Firefox packages: CVE-2026-8090 is a use-after-free vulnerability in the DOM networking component; CVE-2026-8092 involves memory safety bugs fixed in Firefox ESR versions 115.35.2, 140.10.2, and Firefox 150.0.2; CVE-2026-8094 relates to an issue in the WebRTC component. These bugs could potentially lead to memory corruption or other security issues. Red Hat has released updated Firefox packages (version 140.10.2-1.el8_10) for multiple architectures to address these vulnerabilities. The advisory classifies the impact as Important and recommends updating to the fixed versions. No CVSS scores are provided in the advisory, and no exploits are currently known in the wild.
Potential Impact
The vulnerabilities include use-after-free and memory safety bugs that could be exploited to compromise the security of Firefox on affected Red Hat Enterprise Linux systems. The exact impact details and CVSS scores are not provided, but the advisory rates the overall security impact as Important (high severity). There are no known active exploits reported at this time.
Mitigation Recommendations
Red Hat has released updated Firefox packages that fix these vulnerabilities. Users should apply the Firefox update to version 140.10.2-1.el8_10 or later as provided by Red Hat for their respective architectures and Red Hat Enterprise Linux 8 variants. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
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: 5/26/2026, 8:58:35 PM
Last enriched: 5/26/2026, 11:05:06 PM
Last updated: 5/27/2026, 4:48:13 AM
Views: 2
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