[SECURITY] Fedora 32 Update: opensmtpd-6.8.0p2-1.fc32

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defi ned by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol. Started out of dissatisfaction with other implementations, OpenSMTP...

[ASA-202101-18] opensmtpd: multiple issues

Arch Linux Security Advisory ASA-202101-18 ========================================== Severity: High Date : 2021-01-12 CVE-ID : CVE-2020-35679 CVE-2020-35680 Package : opensmtpd Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-1381 Summary ======= The package opensmtp...

Denial Of Service (DoS)

opensmtpd is vulnerable to denial of service. The smtpd/lkafilter.c, in certain configurations, allows remote attackers to cause a denial of service via a NULL pointer dereference and daemon crash using a malicious pattern of client activity as the filter state machine does not properly maintain...

Denial Of Service (DoS)

OpenSMTPD is vulnerable to denial of service. The vulnerability is possible because it lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages...

Openbsd Opensmtpd Null Pointer Dereference Vulnerability

OpenSMTPD is a Unix daemon that implements the Simple Mail Transfer Protocol for delivering mail on the local computer or relaying mail to other SMTP servers. A null pointer dereference vulnerability exists in smtpd/lkafilter.c in versions of OpenSMTPD prior to 6.8.0p1. The vulnerability stems fr...

CVE-2020-35680

smtpd/lkafilter.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 th...

CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...

DEBIAN-CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...

ALPINE-CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...

CVE-2020-35680

smtpd/lkafilter.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 th...

CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...

ALPINE-CVE-2020-35680

smtpd/lkafilter.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 th...

CVE-2020-35680

smtpd/lkafilter.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 th...

Memory corruption

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...

Null pointer dereference

smtpd/lkafilter.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 th...

CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...

CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...

CVE-2020-35679

OpenSMTPD has two CVEs associated with older releases prior to 6.8.0p1: CVE-2020-35679: In smtpd/table.c, a regfree issue can allow an attacker to trigger a very significant memory leak by sending messages to an instance performing many regex lookups. CVE-2020-35680: In certain configurations, sm...

CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...

CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups...