VDB
GCVE-110-MAGEIA-2026-164
GCVE-110-MAGEIA-2026-164
Advisory Published
The updated packages fix security vulnerabilities:
Incorrect boundary conditions in the Audio/Video: Web Codecs component.
(CVE-2026-8946)
Incorrect boundary conditions in the JavaScript Engine: JIT component.
(CVE-2026-8388)
Use-after-free in the DOM: Bindings (WebIDL) component. (CVE-2026-8947)
Other issue in the JavaScript Engine component. (CVE-2026-8391)
Sandbox escape in the Profile Backup component. (CVE-2026-8401)
Same-origin policy bypass in the Networking: HTTP component.
(CVE-2026-8950)
Sandbox escape due to use-after-free in the Disability Access APIs
component. (CVE-2026-8953)
Incorrect boundary conditions, integer overflow in the Audio/Video
component. (CVE-2026-8954)
Privilege escalation in the DOM: Workers component. (CVE-2026-8955)
Integer overflow in the Networking: JAR component. (CVE-2026-8956)
Privilege escalation in the Enterprise Policies component.
(CVE-2026-8957)
Information disclosure, sandbox escape in the Security: Process
Sandboxing component. (CVE-2026-8958)
Spoofing issue in the Form Autofill component. (CVE-2026-8961)
Mitigation bypass in the DOM: Security component. (CVE-2026-8962)
Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs
component. (CVE-2026-8968)
Privilege escalation in the Security component. (CVE-2026-8970)
Memory safety bugs fixed in Thunderbird 140.11 and Thunderbird 151.
(CVE-2026-8974)
Memory safety bugs fixed in Thunderbird 140.11 and Thunderbird 151.
(CVE-2026-8975)
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Mageia | thunderbird | 0 (affected), 140.11.0-1.mga9 (unaffected) | — |
| Mageia | thunderbird-l10n | 0 (affected), 140.11.0-1.mga9 (unaffected) | — |
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