Source: opensmtpd Version: 6.8.0p1~rc1-1 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for opensmtpd. CVE-2020-35680[0]: | 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. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2020-35680 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35680 [1] https://github.com/openbsd/src/commit/6c3220444ed06b5796dedfd53a0f4becd903c0d1 [2] https://www.mail-archive.com/[email protected]/msg05188.html Regards, Salvatore

