Red Hat Security Advisory: firefox security update
Multiple memory safety and security vulnerabilities have been identified in Mozilla Firefox and Thunderbird, including use-after-free, out-of-bounds read/write, cross-process information leaks, and improper handling of object properties. These issues affect Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144, and Thunderbird 144. Red Hat has issued an important security advisory providing updates for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these vulnerabilities.
AI Analysis
Technical Summary
This advisory covers several security fixes for Mozilla Firefox and Thunderbird addressing multiple vulnerabilities: CVE-2025-11708 (use-after-free in MediaTrackGraphImpl::GetInstance()), CVE-2025-11709 (out-of-bounds read/write triggered by WebGL textures in a privileged process), CVE-2025-11710 (cross-process information leak via malicious IPC messages), CVE-2025-11711 (modification of some non-writable object properties), CVE-2025-11712 (OBJECT tag type attribute overriding browser behavior on web resources without content-type), CVE-2025-11714 and CVE-2025-11715 (memory safety bugs). These vulnerabilities impact Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144, and Thunderbird 144. Red Hat has released updated packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to remediate these issues.
Potential Impact
The vulnerabilities include memory safety bugs such as use-after-free and out-of-bounds read/write, which can lead to crashes or potential code execution. Cross-process information leaks may expose sensitive data. Modification of non-writable object properties and improper handling of OBJECT tag attributes could affect browser behavior and security. These issues collectively pose a high security risk to affected Firefox and Thunderbird versions if exploited.
Mitigation Recommendations
Red Hat has released security updates for Firefox and Thunderbird in Red Hat Enterprise Linux 7 Extended Lifecycle Support addressing these vulnerabilities. Users should apply the updates as described in the Red Hat advisory RHSA-2025:19278. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No indication of exploits in the wild has been reported. Patch status is confirmed by the vendor advisory.
Red Hat Security Advisory: firefox security update
Description
Multiple memory safety and security vulnerabilities have been identified in Mozilla Firefox and Thunderbird, including use-after-free, out-of-bounds read/write, cross-process information leaks, and improper handling of object properties. These issues affect Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144, and Thunderbird 144. Red Hat has issued an important security advisory providing updates for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these vulnerabilities.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers several security fixes for Mozilla Firefox and Thunderbird addressing multiple vulnerabilities: CVE-2025-11708 (use-after-free in MediaTrackGraphImpl::GetInstance()), CVE-2025-11709 (out-of-bounds read/write triggered by WebGL textures in a privileged process), CVE-2025-11710 (cross-process information leak via malicious IPC messages), CVE-2025-11711 (modification of some non-writable object properties), CVE-2025-11712 (OBJECT tag type attribute overriding browser behavior on web resources without content-type), CVE-2025-11714 and CVE-2025-11715 (memory safety bugs). These vulnerabilities impact Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144, and Thunderbird 144. Red Hat has released updated packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to remediate these issues.
Potential Impact
The vulnerabilities include memory safety bugs such as use-after-free and out-of-bounds read/write, which can lead to crashes or potential code execution. Cross-process information leaks may expose sensitive data. Modification of non-writable object properties and improper handling of OBJECT tag attributes could affect browser behavior and security. These issues collectively pose a high security risk to affected Firefox and Thunderbird versions if exploited.
Mitigation Recommendations
Red Hat has released security updates for Firefox and Thunderbird in Red Hat Enterprise Linux 7 Extended Lifecycle Support addressing these vulnerabilities. Users should apply the updates as described in the Red Hat advisory RHSA-2025:19278. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No indication of exploits in the wild has been reported. Patch status is confirmed 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-2025:19278
- Cve Count
- 7
- Additional Cves
- ["CVE-2025-11709","CVE-2025-11710","CVE-2025-11711","CVE-2025-11712","CVE-2025-11714","CVE-2025-11715"]
Threat ID: 6a419caf27e9c79719abaa82
Added to database: 06/28/2026, 22:14:07 UTC
Last enriched: 06/28/2026, 22:24:30 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 75
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