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Solution
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Workaround
No workaround given by the vendor.
Fri, 28 Aug 2026 21:30:00 +0000
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| Metrics |
ssvc
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Fri, 28 Aug 2026 14:00:00 +0000
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| Title | Unauthenticated IMAP ID Command Causes DoS via Excessive Parameters |
Fri, 28 Aug 2026 11:30:00 +0000
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| Description | An unauthenticated attacker can send an IMAP ID command with a very large number of parameters before logging in, which causes memory and CPU usage to grow disproportionately. The login process can be terminated by the out-of-memory handling, which also terminates all other connections handled by the same process. This can cause degradation or denial of service for IMAP logins. Limit the number of connections handled by a single imap-login process. This has a performance impact though. Update to non-vulnerable version. No publicly available exploits are known. | |
| Weaknesses | CWE-400 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: OX
Published:
Updated: 2026-08-28T15:54:09.305Z
Reserved: 2026-04-27T08:53:58.839Z
Link: CVE-2026-42391
Updated: 2026-08-28T14:42:09.265Z
Status : Received
Published: 2026-08-28T12:16:29.503
Modified: 2026-08-28T20:17:30.280
Link: CVE-2026-42391
No data.
OpenCVE Enrichment
Updated: 2026-08-28T13:45:17Z