smtpd/lka_filter.c in OpenSMTPD before 6.8.0p1, in certain configurations, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted pattern of client activity, because the filter state machine does not properly maintain the I/O channel between the SMTP engine and the filters layer.
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Affected Vendors & Products
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published: 2020-12-24T15:53:03.000Z
Updated: 2024-08-04T17:09:14.815Z
Reserved: 2020-12-24T00:00:00.000Z
Link: CVE-2020-35680
No data.
Status : Modified
Published: 2020-12-24T16:15:15.600
Modified: 2026-06-17T03:14:07.120
Link: CVE-2020-35680
No data.
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