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Critical Security Updates for Thunderbird in Mageia and Oracle Linux

Critical Security Updates for Thunderbird in Mageia and Oracle Linux

First seen 7 Aug 2026, 08:28 UTC • •
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ThreatCluster AI
ThreatCluster •August 8, 2026 at 08:07 UTC
  • •Multiple critical CVEs affecting Thunderbird in Mageia and Oracle Linux require immediate updates.
  • •CVE-2026-14899 and CVE-2026-15719 are among the vulnerabilities addressed in the updates.
  • •Auditing Linux privileges is recommended to prevent escalation and system-wide damage.

Recent updates for Thunderbird in Mageia and Oracle Linux address multiple security vulnerabilities. Mageia's advisory (MGASA-2026-0326) released on 2026-08-07 lists numerous CVEs, including CVE-2026-14899 and CVE-2026-15719, with fixes for various security issues. Oracle's advisory (ELSA-2026) published on 2026-08-05 also highlights similar vulnerabilities, including CVEs from the Mageia advisory. The vulnerabilities could lead to privilege escalation and system-wide damage if exploited. Users of both Mageia and Oracle Linux are urged to update their Thunderbird packages immediately to mitigate risks. The updates include versions 140.13.0-1 for both distributions. The advisories emphasize the importance of auditing Linux privileges to limit potential compromises. As of now, there are no reports of active exploitation of these vulnerabilities.

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Timeline

2026-06-16
Multiple CVEs published
Several CVEs related to Thunderbird vulnerabilities were published, affecting various systems.
Linuxsecurity
2026-06-16
CVE-2026-12299 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-16
CVE-2026-12312 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-16
CVE-2026-12328 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-16
CVE-2026-12327 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-16
CVE-2026-12325 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-16
CVE-2026-12330 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-16
CVE-2026-12290 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-16
CVE-2026-12302 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-16
CVE-2026-12307 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE

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