CVE-2026-67194 Courier IMAP < 6.0.1 Mail Server < 2.0.2 Stack Overflow DoS via Nested SEARCH Queries

Courier IMAP before 6.0.1 and Courier Mail Server before 2.0.2 allow authenticated IMAP users to crash the imapd process via deeply nested parenthesized SEARCH queries. The SEARCH command parser allocsearchkey in searchinfo.C recursively descends on nested parenthesized groups through a mutual...

CVE-2026-67194 Courier IMAP < 6.0.1 Mail Server < 2.0.2 Stack Overflow DoS via Nested SEARCH Queries

Courier IMAP before 6.0.1 and Courier Mail Server before 2.0.2 allow authenticated IMAP users to crash the imapd process via deeply nested parenthesized SEARCH queries. The SEARCH command parser allocsearchkey in searchinfo.C recursively descends on nested parenthesized groups through a mutual...

CVE-2026-67194 Courier IMAP < 6.0.1 Mail Server < 2.0.2 Stack Overflow DoS via Nested SEARCH Queries

Courier IMAP before 6.0.1 and Courier Mail Server before 2.0.2 allow authenticated IMAP users to crash the imapd process via deeply nested parenthesized SEARCH queries. The SEARCH command parser allocsearchkey in searchinfo.C recursively descends on nested parenthesized groups through a mutual...

CVE-2026-67194

CVE-2026-67194 affects Courier IMAP prior to 6.0.1 and Courier Mail Server prior to 2.0.2. The vulnerability lies in the SEARCH parser (alloc_search_key in searchinfo.C), which recursively descends through deeply nested parenthesized groups without a depth limit. A single IMAP command with ~2500 ...

CVE-2026-67194

Courier IMAP before 6.0.1 and Courier Mail Server before 2.0.2 allow authenticated IMAP users to crash the imapd process via deeply nested parenthesized SEARCH queries. The SEARCH command parser allocsearchkey in searchinfo.C recursively descends on nested parenthesized groups through a mutual...

ROS-20260729-73-0012

The vulnerability of the Exim mail server is related to the lack of initialization of resources. Exploiting this vulnerability allows a malicious actor to compromise the confidentiality and accessibility of the protected information...

Linux Distros Unpatched Vulnerability : CVE-2026-67194

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Courier IMAP before 6.0.1 and Courier Mail Server before 2.0.2 allow authenticated IMAP users to crash the imapd process via deeply nested parenthesized SEARCH...

ROS-20260729-73-0014

The vulnerability of the Exim mail server is related to reading data from buffer beyond the allowed limits. Exploiting this vulnerability can allow a malicious actor to gain access to confidential data...

CVE-2026-67194: Uncontrolled Recursion

Courier IMAP before 6.0.1 and Courier Mail Server before 2.0.2 allow authenticated IMAP users to crash the imapd process via deeply nested parenthesized SEARCH queries. The SEARCH command parser allocsearchkey in searchinfo.C recursively descends on nested parenthesized groups through a mutual...

CVE-2026-48536

GFI Archiver before 15.13 contains a stored cross-site scripting vulnerability in the General Settings SMTP configuration that allows authenticated attackers to inject arbitrary web script or HTML via the SMTP server address parameter to /Archiver/GeneralSettingsWizard.aspx. The injected payload ...

The vulnerability of the Dovecot mail server, related to insufficient input data validation, allows attackers to trigger a service failure.

The vulnerability of the Dovecot mail server is related to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to cause service failures...

The vulnerability of Dovecot and OX Dovecot Pro mail servers, related to improper control of resource identifiers (“resource injection”), allows attackers to cause service failures.

The vulnerability of Dovecot and OX Dovecot Pro mail servers is related to improper control of resource identifiers “resource injection”. Exploiting this vulnerability can allow a malicious actor to cause service failures...

PT-2026-64012

GFI Archiver before 15.13 contains a stored cross-site scripting vulnerability in the General Settings SMTP configuration that allows authenticated attackers to inject arbitrary web script or HTML via the SMTP server address parameter to /Archiver/GeneralSettingsWizard.aspx. The injected payload ...

The vulnerability of the Dovecot mail server, related to insufficient protection of service data, allows attackers to gain unauthorized access to protected information.

The vulnerability of the Dovecot mail server is related to insufficient protection of service data. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

The vulnerability of the ManageSieve mail server services Dovecot and OX Dovecot Pro, related to uncontrolled resource consumption, allows a hacker to cause service failures.

The vulnerability of the Dovecot and OX Dovecot Pro mail server services is related to an uncontrolled consumption of resources. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability of the Dovecot mail server, related to the possibility of bypassing the authentication process, allows attackers to gain unauthorized access to protected information.

The vulnerability of the Dovecot mail server relates to the possibility of bypassing the authentication process. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

CVE-2026-47083

A flaw was found in Cyrus IMAP. An authenticated user can exploit the ESEARCH command to discover the existence of folder names belonging to other user accounts. This vulnerability leads to information disclosure, allowing an attacker to gain unauthorized knowledge about the structure of other...

CVE-2026-47089

A flaw was found in Cyrus IMAP cyrus-imapd. An authenticated user can exploit this vulnerability by using the IMAP LISTRIGHTS command. This allows the user to learn the access permissions of any mailbox they can name, which should be restricted to administrators. This leads to unauthorized...

Linux Distros Unpatched Vulnerability : CVE-2026-47085

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH token forgery can occur via a missing mboxkey. If an attacker knew a folder name on...

Linux Distros Unpatched Vulnerability : CVE-2026-47084

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The LOCALDELETE command bypassed ACL checks. An authenticated but non-admin user could invo...