RLSA-2026:0026

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Source
https://errata.rockylinux.org/RLSA-2026:0026
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:0026.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:0026
Upstream
  • CVE-2025-14321
  • CVE-2025-14322
  • CVE-2025-14323
  • CVE-2025-14324
  • CVE-2025-14325
  • CVE-2025-14328
  • CVE-2025-14329
  • CVE-2025-14330
  • CVE-2025-14331
  • CVE-2025-14333
Published
2026-01-05T09:02:30.667096Z
Modified
2026-01-05T09:27:50.831849Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: thunderbird security update
Details

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • firefox: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 (CVE-2025-14333)

  • firefox: Use-after-free in the WebRTC: Signaling component (CVE-2025-14321)

  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14325)

  • firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2025-14322)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2025-14328)

  • firefox: Privilege escalation in the Netmonitor component (CVE-2025-14329)

  • firefox: Same-origin policy bypass in the Request Handling component (CVE-2025-14331)

  • firefox: Privilege escalation in the DOM: Notifications component (CVE-2025-14323)

  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14330)

  • firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2025-14324)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / thunderbird

Package

Name
thunderbird
Purl
pkg:rpm/rocky-linux/thunderbird?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:140.6.0-1.el8_10
Database specific 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:0026.json"