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

🗓️ 28 Sep 2026 18:42:05Reported by DebianType 
debian
 debian🔗 lists.debian.org👁 29 Views

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

Related
Packages
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		Amazon Linux 2 : dovecot (ALAS-2026-3935)
29 Sep 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : dovecot (ALSA-2026:76763)
7 Oct 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 10 : dovecot (ALSA-2026:79371)
9 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 10.2 [CIQ] Security Update: dovecot / dovecot-debuginfo / dovecot-debugsource / dovecot-devel / etc Multiple Vulnerabilities (crlsa-2026_79371)
12 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: dovecot / dovecot-debuginfo / dovecot-debugsource / dovecot-devel / etc Multiple Vulnerabilities (crlsa-2026_76763)
8 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9 [CIQ] Security Update: dovecot / dovecot-debuginfo / dovecot-debugsource / dovecot-devel / etc Multiple Vulnerabilities (crlsa-2026_80825)
15 Oct 202600:00
–nessus
nessus
Tenable Nessus		Debian dsa-6526 : dovecot-auth-lua - security update
29 Sep 202600:00
–nessus
nessus
Tenable Nessus		Fedora 44 : dovecot (2026-2e6b786570)
18 Sep 202600:00
–nessus
nessus
Tenable Nessus		Fedora 45 : dovecot (2026-8b8efbd2b8)
18 Sep 202600:00
–nessus
nessus
Tenable Nessus		Fedora 43 : dovecot (2026-e8a6485109)
18 Sep 202600:00
–nessus
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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
7.4High risk
Vulners AI Score7.4
CVSS 3.19.1
EPSS0.00868
SSVC
dovecotdenial of serviceSMTP smugglinginformation disclosurecode injectionACL bypass
29