5770 matches found
Important: ruby3.4
Issue Overview: zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstreambufferungets function prepends caller-provided bytes ahead of previously...
Amazon Linux 2023 : ruby4.0, ruby4.0-bundled-gems, ruby4.0-default-gems (ALAS2023-2026-1806)
It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1806 advisory. Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause...
CVE-2026-42258
A flaw was found in Net::IMAP, a Ruby library that provides Internet Message Access Protocol IMAP client functionality. This vulnerability allows a remote attacker to inject arbitrary IMAP commands. This is achieved by passing specially crafted symbol arguments to IMAP commands. Successful...
CVE-2026-42006
A flaw was found in Dovecot. A remote attacker can exploit this vulnerability by sending excessive open braces over the Internet Message Access Protocol IMAP, leading to uncontrolled memory usage. This can cause the affected system to consume memory up to its configured limit, resulting in a Deni...
CVE-2026-42246
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
Fedora 43 : dovecot (2026-693373747f)
The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-693373747f advisory. CVE-2026-27851: lib-var-expand: Safe filter marks all following pipelines safe. CVE-2026-33603: auth: CRAM-SHA--PLUS channel binding could be faked...
USN-8365-1: Dovecot vulnerabilities
It was discovered that Dovecot incorrectly treated some variable expansion pipelines as safe in authentication filters. An attacker could possibly use this issue to perform SQL or LDAP injection attacks. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. CVE-2026-27851 It was discovered...
[SECURITY] Fedora 43 Update: dovecot-2.4.4-1.fc43
Dovecot is an IMAP server for Linux/UNIX-like systems, written with security primarily in mind. It also contains a small POP3 server. It supports mail in either of maildir or mbox formats. The SQL drivers and authentication plug-ins are in their subpackages...
[SECURITY] Fedora 44 Update: dovecot-2.4.4-1.fc44
Dovecot is an IMAP server for Linux/UNIX-like systems, written with security primarily in mind. It also contains a small POP3 server. It supports mail in either of maildir or mbox formats. The SQL drivers and authentication plug-ins are in their subpackages...
Fedora 44 : dovecot (2026-96eeb03b88)
The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-96eeb03b88 advisory. CVE-2026-27851: lib-var-expand: Safe filter marks all following pipelines safe. CVE-2026-33603: auth: CRAM-SHA--PLUS channel binding could be faked...
[SECURITY] Fedora 43 Update: nginx-1.30.2-1.fc43
Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...
python3 security update
An update is available for python3. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Python is an interpreted, interactive, object-oriented programming language,...
CLSA-2026-1779378574 dovecot: Fix of 2 CVEs
CVE-2026-42006: lib-imap: fix listcountlimit to actually count open '' instead of close '', preventing an imap-login memory-exhaustion DoS that bypassed the CVE-2026-27857 fix...
dovecot: Fix of 2 CVEs
CVE-2026-42006: lib-imap: fix listcountlimit to actually count open '' instead of close '', preventing an imap-login memory-exhaustion DoS that bypassed the CVE-2026-27857 fix...
CLSA-2026-1779360319 dovecot: Fix of CVE-2026-42006
CVE-2026-42006: fix imap-login listcountlimit to actually limit open '' characters; the previous fix limited closing '' instead, leaving the bracing memory exhaustion vector open...
CLSA-2026-1779360288 dovecot: Fix of CVE-2026-42006
CVE-2026-42006: fix imap-login listcountlimit to actually limit open '' characters; the previous fix limited closing '' instead, leaving the bracing memory exhaustion vector open...
Linux Distros Unpatched Vulnerability : CVE-2026-42256
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0...
Linux Distros Unpatched Vulnerability : CVE-2026-42006
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocking one way of doing this,...
Linux Distros Unpatched Vulnerability : CVE-2026-42258
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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, symbol arguments to comman...
Linux Distros Unpatched Vulnerability : CVE-2026-40020
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be...