Mozilla has released a security update to address multiple vulnerabilities in Thunderbird. A remote attacker could exploit some of these vulnerabilities to take control of an affected system.
US-CERT encourages users and administrators to review the Mozilla Security Advisory for Thunderbird 52.5.2 and apply the necessary update.
This product is provided subject to this Notification and this Privacy & Use policy.
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence…
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence…
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence…
Update October 30, 2026: CISA has updated this Alert to: (1) include CVE-2026-111357 and CVE-2026-118527…
CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on…
CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on…
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