Red Hat Security Advisory: thunderbird security update
Multiple security vulnerabilities affecting Mozilla Thunderbird have been addressed in an update to version 115.12.1. These include use-after-free bugs, sandbox bypasses, information leaks, and memory corruption issues. The update fixes seven distinct CVEs related to networking, JavaScript object handling, protocol handler leaks, sandbox escapes, cross-origin image leaks, text fragment memory corruption, and other memory safety bugs. The vulnerabilities impact Red Hat Enterprise Linux 7 variants running Thunderbird. The update is rated as important by Red Hat and requires restarting Thunderbird to apply the fixes.
AI Analysis
Technical Summary
Red Hat released a security advisory (RHSA-2024:4016) upgrading Thunderbird to version 115.12.1 to address seven security vulnerabilities. These include use-after-free vulnerabilities in networking (CVE-2024-5702) and JavaScript object transplant (CVE-2024-5688), a timing attack leaking external protocol handlers (CVE-2024-5690), sandboxed iframe sandbox bypasses (CVE-2024-5691), cross-origin image leaks via Offscreen Canvas (CVE-2024-5693), memory corruption in text fragments (CVE-2024-5696), and other memory safety bugs fixed in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12 (CVE-2024-5700). These vulnerabilities affect multiple Red Hat Enterprise Linux 7 product variants. The advisory indicates the update is important and that all running Thunderbird instances must be restarted to apply the update.
Potential Impact
The vulnerabilities include use-after-free bugs that can lead to memory corruption, information leaks via timing attacks and cross-origin image leaks, sandbox bypass allowing iframe escapes, and other memory safety issues. These could potentially allow attackers to execute arbitrary code, bypass security restrictions, or leak sensitive information. The advisory rates the impact as important, indicating a high security risk if unpatched.
Mitigation Recommendations
Red Hat has released an updated Thunderbird package version 115.12.1 that addresses these vulnerabilities. Users should apply this update promptly. All running instances of Thunderbird must be restarted for the update to take effect. Refer to the Red Hat advisory RHSA-2024:4016 for detailed update instructions. No additional mitigations are specified beyond applying the official update.
Red Hat Security Advisory: thunderbird security update
Description
Multiple security vulnerabilities affecting Mozilla Thunderbird have been addressed in an update to version 115.12.1. These include use-after-free bugs, sandbox bypasses, information leaks, and memory corruption issues. The update fixes seven distinct CVEs related to networking, JavaScript object handling, protocol handler leaks, sandbox escapes, cross-origin image leaks, text fragment memory corruption, and other memory safety bugs. The vulnerabilities impact Red Hat Enterprise Linux 7 variants running Thunderbird. The update is rated as important by Red Hat and requires restarting Thunderbird to apply the fixes.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Red Hat released a security advisory (RHSA-2024:4016) upgrading Thunderbird to version 115.12.1 to address seven security vulnerabilities. These include use-after-free vulnerabilities in networking (CVE-2024-5702) and JavaScript object transplant (CVE-2024-5688), a timing attack leaking external protocol handlers (CVE-2024-5690), sandboxed iframe sandbox bypasses (CVE-2024-5691), cross-origin image leaks via Offscreen Canvas (CVE-2024-5693), memory corruption in text fragments (CVE-2024-5696), and other memory safety bugs fixed in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12 (CVE-2024-5700). These vulnerabilities affect multiple Red Hat Enterprise Linux 7 product variants. The advisory indicates the update is important and that all running Thunderbird instances must be restarted to apply the update.
Potential Impact
The vulnerabilities include use-after-free bugs that can lead to memory corruption, information leaks via timing attacks and cross-origin image leaks, sandbox bypass allowing iframe escapes, and other memory safety issues. These could potentially allow attackers to execute arbitrary code, bypass security restrictions, or leak sensitive information. The advisory rates the impact as important, indicating a high security risk if unpatched.
Mitigation Recommendations
Red Hat has released an updated Thunderbird package version 115.12.1 that addresses these vulnerabilities. Users should apply this update promptly. All running instances of Thunderbird must be restarted for the update to take effect. Refer to the Red Hat advisory RHSA-2024:4016 for detailed update instructions. No additional mitigations are specified 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-2024:4016
- Cve Count
- 7
- Additional Cves
- ["CVE-2024-5690","CVE-2024-5691","CVE-2024-5693","CVE-2024-5696","CVE-2024-5700","CVE-2024-5702"]
Threat ID: 6a3da1f44853345fc1833bc3
Added to database: 06/25/2026, 21:47:32 UTC
Last enriched: 06/25/2026, 22:47:56 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 13
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