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CVE-2026-42391

🗓️ 28 Aug 2026 10:12:27Reported by Alpine Linux Development TeamType 
alpinelinux
 alpinelinux
🔗 security.alpinelinux.org👁 11 Views

Unauthenticated DoS in IMAP server via oversized ID command causing OOM that terminates connections.

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OSOS VersionArchitecturePackagePackage VersionFilename
Alpine Linuxanyanydovecot2.4.5-r0dovecot-2.4.5-r0.apk
Alpine Linux3.23anydovecot2.4.5-r0dovecot-2.4.5-r0.apk
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03 Sep 2026 18:13Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00375
SSVC
11