Red Hat Security Advisory: firefox security update
Multiple security vulnerabilities affecting Mozilla Firefox and Thunderbird have been addressed in a Red Hat Enterprise Linux 7 Extended Lifecycle Support update. These include a clickjacking vulnerability that could leak saved payment card details, potential local code execution via the 'Copy as cURL' command, several memory safety bugs, leakage of cross-origin resource status through script element events, and improper isolation of error handling for script execution from web content. The update is rated as having an important security impact by Red Hat.
AI Analysis
Technical Summary
This Red Hat security advisory addresses several vulnerabilities in Firefox and Thunderbird, including CVE-2025-5263 through CVE-2025-5269 and CVE-2025-5283. The issues include a clickjacking vulnerability potentially leaking saved payment card details (CVE-2025-5267), potential local code execution via the 'Copy as cURL' command (CVE-2025-5264), multiple memory safety bugs (CVE-2025-5268, CVE-2025-5269), leakage of cross-origin resource status via script element events (CVE-2025-5266), and incorrect isolation of error handling for script execution from web content (CVE-2025-5263). Red Hat has released updated Firefox packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these issues. The advisory references multiple bugzilla entries and provides links for applying the update.
Potential Impact
The vulnerabilities collectively could lead to leakage of sensitive information such as saved payment card details, potential local code execution on affected systems, and exposure of cross-origin resource status. Memory safety bugs may lead to crashes or other unpredictable behavior. These issues pose a high security risk as rated by Red Hat, potentially allowing attackers to compromise confidentiality and integrity of user data and system processes.
Mitigation Recommendations
Red Hat has released updated Firefox packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support that address these vulnerabilities. Users and administrators should apply the provided security update as detailed in the Red Hat advisory (RHSA-2025:9074) and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Red Hat Security Advisory: firefox security update
Description
Multiple security vulnerabilities affecting Mozilla Firefox and Thunderbird have been addressed in a Red Hat Enterprise Linux 7 Extended Lifecycle Support update. These include a clickjacking vulnerability that could leak saved payment card details, potential local code execution via the 'Copy as cURL' command, several memory safety bugs, leakage of cross-origin resource status through script element events, and improper isolation of error handling for script execution from web content. The update is rated as having an important security impact by Red Hat.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This Red Hat security advisory addresses several vulnerabilities in Firefox and Thunderbird, including CVE-2025-5263 through CVE-2025-5269 and CVE-2025-5283. The issues include a clickjacking vulnerability potentially leaking saved payment card details (CVE-2025-5267), potential local code execution via the 'Copy as cURL' command (CVE-2025-5264), multiple memory safety bugs (CVE-2025-5268, CVE-2025-5269), leakage of cross-origin resource status via script element events (CVE-2025-5266), and incorrect isolation of error handling for script execution from web content (CVE-2025-5263). Red Hat has released updated Firefox packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these issues. The advisory references multiple bugzilla entries and provides links for applying the update.
Potential Impact
The vulnerabilities collectively could lead to leakage of sensitive information such as saved payment card details, potential local code execution on affected systems, and exposure of cross-origin resource status. Memory safety bugs may lead to crashes or other unpredictable behavior. These issues pose a high security risk as rated by Red Hat, potentially allowing attackers to compromise confidentiality and integrity of user data and system processes.
Mitigation Recommendations
Red Hat has released updated Firefox packages for Red Hat Enterprise Linux 7 Extended Lifecycle Support that address these vulnerabilities. Users and administrators should apply the provided security update as detailed in the Red Hat advisory (RHSA-2025:9074) and the referenced article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:9074
- Cve Count
- 7
- Additional Cves
- ["CVE-2025-5264","CVE-2025-5266","CVE-2025-5267","CVE-2025-5268","CVE-2025-5269","CVE-2025-5283"]
Threat ID: 6a4049e127e9c79719832587
Added to database: 06/27/2026, 22:08:33 UTC
Last enriched: 06/27/2026, 22:28:22 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 28
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