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May 12, 2026
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Several vulnerabilities were discovered in the Exim mail transport agent, which may result in remote code execution, denial of service or an information leak. For the oldstable distribution (bookworm), these problems have been fixed in version 4.96-15+deb12u9.
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Debian Security Advisory DSA-6265-1 This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/ Salvatore Bonaccorso
May 12, 2026 https://www.debian.org/security/faq
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Package : exim4
CVE ID : CVE-2026-40684 CVE-2026-40685 CVE-2026-40686 CVE-2026-40687
Several vulnerabilities were discovered in the Exim mail transport
agent, which may result in remote code execution, denial of service or
an information leak.
For the oldstable distribution (bookworm), these problems have been fixed
in version 4.96-15+deb12u9.
For the stable distribution (trixie), these problems have been fixed in
version 4.98.2-1+deb13u2.
We recommend that you upgrade your exim4 packages.
For the detailed security status of exim4 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/exim4
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
