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[SECURITY] [DSA 6526-1] dovecot security update

🗓️ 28 Sep 2026 18:42:05Reported by DebianType 
debian
 debian
🔗 lists.debian.org👁 6 Views

Multiple issues in dovecot result in DoS, SMTP smuggling, info disclosure, and ACL bypass.

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OSOS VersionArchitecturePackagePackage VersionFilename
Debian13amd64dovecot-auth-lua1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua_1:2.4.1+dfsg1-6+deb13u7_amd64.deb
Debian13arm64dovecot-auth-lua1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua_1:2.4.1+dfsg1-6+deb13u7_arm64.deb
Debian13armeldovecot-auth-lua1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua_1:2.4.1+dfsg1-6+deb13u7_armel.deb
Debian13armhfdovecot-auth-lua1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua_1:2.4.1+dfsg1-6+deb13u7_armhf.deb
Debian13i386dovecot-auth-lua1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua_1:2.4.1+dfsg1-6+deb13u7_i386.deb
Debian13ppc64eldovecot-auth-lua1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua_1:2.4.1+dfsg1-6+deb13u7_ppc64el.deb
Debian13riscv64dovecot-auth-lua1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua_1:2.4.1+dfsg1-6+deb13u7_riscv64.deb
Debian13s390xdovecot-auth-lua1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua_1:2.4.1+dfsg1-6+deb13u7_s390x.deb
Debian13amd64dovecot-auth-lua-dbgsym1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua-dbgsym_1:2.4.1+dfsg1-6+deb13u7_amd64.deb
Debian13arm64dovecot-auth-lua-dbgsym1:2.4.1+dfsg1-6+deb13u7dovecot-auth-lua-dbgsym_1:2.4.1+dfsg1-6+deb13u7_arm64.deb
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28 Sep 2026 18:42Current
7.3High risk
Vulners AI Score7.3
CVSS 3.19.1
EPSS0.00868
SSVC
6