TencentOS Server 3: dovecot (TSSA-2026:0810)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0810 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

EulerOS 2.0 SP13 : mutt (EulerOS-SA-2026-2982)

According to the versions of the mutt packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP authcram MD5 digest.CVE-2026-43859 In mutt before 2.3.2, the imapauthgss...

EulerOS 2.0 SP15 : mutt (EulerOS-SA-2026-2898)

According to the versions of the mutt packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : mutt before 2.3.2 sometimes truncates the hashpasswd by one byte for IMAP authcram MD5 digest.CVE-2026-43860 mutt before 2.3.2 has an infinite loop ...

EulerOS 2.0 SP13 : mutt (EulerOS-SA-2026-3032)

According to the versions of the mutt packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP authcram MD5 digest.CVE-2026-43859 In mutt before 2.3.2, the imapauthgss...

EulerOS 2.0 SP13 : ruby (EulerOS-SA-2026-2997)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4,...

EulerOS 2.0 SP13 : ruby (EulerOS-SA-2026-3047)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4,...

CVE-2026-71244

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, accounttype, refreshtoken, and expiration from that existing account while allowing the caller to supply a different imapserver, imapport, and...

CVE-2026-71244 Paperless-ngx - Mail Account Test Connection Leaks Stored IMAP/OAuth Credentials to Attacker-Controlled Host

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, accounttype, refreshtoken, and expiration from that existing account while allowing the caller to supply a different imapserver, imapport, and...

CVE-2026-71244

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, accounttype, refreshtoken, and expiration from that existing account while allowing the caller to supply a different imapserver, imapport, and...

CVE-2026-71244 Paperless-ngx - Mail Account Test Connection Leaks Stored IMAP/OAuth Credentials to Attacker-Controlled Host

Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, accounttype, refreshtoken, and expiration from that existing account while allowing the caller to supply a different imapserver, imapport, and...

CVE-2026-71244

Paperless-ngx: The MailAccountViewSet.test() action can reuse stored credentials (IMAP password/OAuth token) from an existing account when a caller with object-level change_mailaccount permission redirects the test connection to an attacker-controlled IMAP host, causing exposure of real credentia...

MiracleLinux 8 : dovecot-2.3.16-8.el8_10 (AXSA:2026-1416:05)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1416:05 advisory. dovecot: Dovecot: Denial of Service via excessive IMAP bracing CVE-2026-42006 Tenable has extracted the preceding description block directly from the...

RHEL 7 : dovecot (RHSA-2026:49513)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:49513 advisory. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and...

UBUNTU-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...

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 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...

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...

Oracle Linux 8 : dovecot (ELSA-2026-46532)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-46532 advisory. 1:2.3.16-8 - fix CVE-2026-42006: fix IMAP parser listcountlimit to correctly limit open braces instead of close braces RHEL-188480 Tenable has extracted the...

RockyLinux 8 : dovecot (RLSA-2026:46532)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:46532 advisory. dovecot: Dovecot: Denial of Service via excessive IMAP bracing CVE-2026-42006 Tenable has extracted the preceding description block directly from the RockyLinux...

Important: Red Hat Security Advisory: dovecot security update

An update for dovecot is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...