AlmaLinux 9.2 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1780910915)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1780910915 advisory. - Attacker can upload a malicious Sieve script over ManageSieve service or locally to bypass configured CPU time limits for Sieve up...

Rocky Linux 8 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_50728)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202650728 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

Rocky Linux 8 [CIQ] Security Update: python3.12 / python3.12-debug / python3.12-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_4463)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20264463 advisory. cpython: wsgiref.headers.Headers allows header newline injection in Python CVE-2026-0865 cpython: IMAP command injection in user-controlled commands...

AlmaLinux 9.6 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1781096989)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1781096989 advisory. - Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires...

Rocky Linux 10.2 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_50778)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202650778 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

Rocky Linux 8 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-devel / ruby-doc / etc Multiple Vulnerabilities (crlsa-2022_0672)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20220672 advisory. rubygem-rdoc: Command injection vulnerability in RDoc CVE-2021-31799 ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host...

Rocky Linux 9.6 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1781096989)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1781096989 advisory. - Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires...

Rocky Linux 10.2 [CIQ] Security Update: ruby4.0 / ruby4.0-debuginfo / ruby4.0-debugsource / ruby4.0-devel / etc Multiple Vulnerabilities (crlsa-2026_33540)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633540 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbo...

Rocky Linux 10.0 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_8131)

The Rocky Linux 10.0 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20258131 advisory. net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse CVE-2025-27219 uri:...

Rocky Linux 8 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-devel / ruby-doc / etc Multiple Vulnerabilities (crlsa-2026_33514)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633514 advisory. ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments CVE-2026-42258 net-imap: ruby: Net::IMAP: Information disclosure via...

Rocky Linux 8 [CIQ] Security Update: python3.11 / python3.11-debug / python3.11-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_4473)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20264473 advisory. cpython: wsgiref.headers.Headers allows header newline injection in Python CVE-2026-0865 cpython: IMAP command injection in user-controlled commands...

AlmaLinux 9.6 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1784073521)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784073521 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,...

Rocky Linux 9 [CIQ] Security Update: dovecot / dovecot-debuginfo / dovecot-debugsource / dovecot-devel / etc (crlsa-2026_41905)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202641905 advisory. dovecot: Dovecot: Denial of Service via excessive IMAP bracing CVE-2026-42006 Tenable has extracted the preceding description block directly from the CIQ security...

Rocky Linux 9.6 [TuxCare] Security Update: cyrus-imapd / cyrus-imapd-devel / cyrus-imapd-doc-extra / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1790173408)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790173408 advisory. - An issue was discovered in Cyrus IMAP before 3.12.4. CalDAV/CardDAV multiget bypasses a per-href ACL. An authenticated DAV user...

Rocky Linux 10.1 [CIQ] Security Update: python-unversioned-command / python3 / python3-debug / etc Multiple Vulnerabilities (crlsa-2026_4713)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20264713 advisory. cpython: wsgiref.headers.Headers allows header newline injection in Python CVE-2026-0865 cpython: IMAP command injection in user-controlled commands...

thunderbird: Information disclosure due to malicious IMAP server response

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js...

thunderbird: Thunderbird: Out-of-bounds read via maliciously constructed IMAP line

A flaw was found in Thunderbird. A remote attacker could exploit this vulnerability by sending a maliciously constructed Internet Message Access Protocol IMAP line. This could lead to an out-of-bounds buffer read, potentially resulting in information disclosure or a denial of service...

thunderbird: Out-of-bounds read in IMAP response parser

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged ' ID' response, crashing Thunderbird. The affected parsing path is...

Oracle Linux 9 : ruby (ELSA-2026-72286)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-72286 advisory. - Fix memory exhaustion via unknown DNS resource types in resolv. CVE-2026-80212 Resolves: RHEL-252044 - Fix information disclosure via MITM attack bypassing T...

CentOS Linux 8 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc (CENTOS-STREAM8:CLSA-2026:1779360288)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1779360288 advisory. - An attacker can cause uncontrolled memory usage with excessive bracing over IMAP. The fix in CVE-2026-27857 was incomplete, only blocki...