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Oracle Linux Thunderbird Security Updates Address Multiple CVEs

Oracle Linux Thunderbird Security Updates Address Multiple CVEs

First seen 20 Jul 2026, 23:09 UTC • •
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ThreatCluster AI
ThreatCluster •July 21, 2026 at 22:53 UTC
  • •Oracle released updates for Thunderbird in Oracle Linux 10 on July 20, 2026.
  • •The updates address 24 CVEs, including critical vulnerabilities.
  • •Users are urged to apply the updates to prevent potential exploitation.

Oracle has released important security updates for Thunderbird in Oracle Linux 10, addressing multiple vulnerabilities. The updates include versions 140.12.0-1.0.1, 140.12.0-1, 140.11.0-1, and 140.10.1-1. A total of 24 CVEs are related to this update, with notable vulnerabilities including CVE-2026-6746 through CVE-2026-6786. The vulnerabilities range from moderate to critical severity, affecting various components of the Thunderbird email client. Users are advised to update their systems to mitigate potential exploitation. The updates are available for both x86_64 and aarch64 architectures. The patches address issues that could lead to unauthorized access or data breaches.

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Timeline

2026-04-21
Multiple CVEs published
Several vulnerabilities in Thunderbird were disclosed, including CVE-2026-6751 and CVE-2026-6753, affecting Oracle Linux 10.
Linuxsecurity
2026-04-21
CVE-2026-6751 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-21
CVE-2026-6753 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-21
CVE-2026-6757 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-21
CVE-2026-6772 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-21
CVE-2026-6747 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-21
CVE-2026-6750 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-21
CVE-2026-6776 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-21
CVE-2026-6759 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-21
CVE-2026-6754 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE

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