Security readout for executives and security teams
This vulnerability affects Dovecot IMAP servers before version 2.2.2. A remote attacker could send invalid IMAP APPEND parameters that make the service loop and consume CPU, causing mail access disruption. The available sources describe denial of service only, not data theft or account compromise. Exposure is most likely where Dovecot IMAP before 2.2.2 is reachable by untrusted or internet-facing mail clients. The bundle does not identify specific OS packages, distributions, or downstream backport status. Treat this as an availability risk for mail access. Prioritize remediation for internet-facing or shared Dovecot IMAP servers, especially where mail availability is business-critical. It is less urgent than confirmed exploited or data-compromise vulnerabilities. Mitigation focus: Inventory Dovecot IMAP servers and confirm exact running versions.; Upgrade Dovecot to 2.2.2 or a later vendor-supported fixed package.; Check OS vendor advisories for backported fixes before judging package version alone..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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Source materials
- CVE List V5 sourceCVE List V5
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