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Fedora 42 and 43 Exim Security Updates Address Vulnerabilities

Fedora 42 and 43 Exim Security Updates Address Vulnerabilities

First seen 10 May 2026, 11:02 UTC • •
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ThreatCluster AI
ThreatCluster •May 11, 2026 at 10:33 UTC
  • •Security updates for Exim in Fedora 42 and 43 released on May 10, 2026.
  • •The updates fix critical vulnerabilities that could compromise email routing.
  • •Users are advised to upgrade using the 'dnf' package manager immediately.

On May 10, 2026, security advisories were released for Exim versions in Fedora 42 and 43, addressing critical security vulnerabilities. The updates, identified as version 4.99.2-1, resolve multiple security bugs affecting the Exim message transfer agent, which is widely used on Unix systems. Users of Fedora 42 and 43 are urged to upgrade to the latest version to mitigate potential risks. The vulnerabilities could allow unauthorized access or manipulation of email routing, posing a significant threat to system integrity. The updates can be installed using the 'dnf' package manager with specific commands provided in the advisories. System administrators are recommended to apply these updates promptly to ensure security.

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Updated 132d ago How this analysis works

Timeline

2026-04-30
Exim version 4.99.2-1 released
New version released to address security bugs and refresh keyring for Fedora 42 and 43.
Linuxsecurity
2026-05-10
Security advisories published
Fedora 42 and 43 advisories released, urging users to upgrade to Exim 4.99.2-1 to fix vulnerabilities.
Linuxsecurity

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