Alpine/dovecot: medium 5.3
A mail message containing excessive amount of RFC 2231 MIME parameters causes LMTP to use too much CPU. A suitably formatted mail message causes mail delivery process to consume large amounts of CPU t
Action: Upgrade dovecot to 2.4.3-r0 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.1.0 | - | - |
Fixed versions
| 2.4.3-r0 |
Sources
- osv: ALPINE-CVE-2026-27859#Alpine:v3.24/dovecot
- https://security.alpinelinux.org/vuln/CVE-2026-27859
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