CVE-2026-52687

A flaw was found in dovecot. A remote attacker with valid credentials can exploit this vulnerability by selecting a compression algorithm for the IMAP connection that requires a large amount of memory for decompression. By opening several such connections, the attacker can exhaust the process's...

MGASA-2026-0356 Updated perl-Mojolicious packages fix a security vulnerability

Mojolicious versions from 4.59 before 9.48 for Perl expose a stable representation of the session CSRF token to a BREACH compression oracle...

Updated perl-Mojolicious packages fix a security vulnerability

Mojolicious versions from 4.59 before 9.48 for Perl expose a stable representation of the session CSRF token to a BREACH compression oracle...

Updated c-ares packages fix security vulnerabilities

Use-after-free / double-free in c-ares query-completion handling, remotely triggerable via aresgetaddrinfo over TCP. CVE-2026-33630 CPU-exhaustion denial of service via unbounded DNS name compression pointer chains. CVE-2026-69184 Memory-amplification denial of service via unvalidated DNS header...

Important: Red Hat Security Advisory: compat-libtiff3 security update

An update for compat-libtiff3 is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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...

RHEL 7 : compat-libtiff3 (RHSA-2026:61657)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:61657 advisory. The libtiff3 package provides libtiff 3, an older version of libtiff library for manipulating TIFF Tagged Image File Format image format files. This...

[SECURITY] [DLA 4761-1] libnet-dns-perl security update

Debian LTS Advisory DLA-4761-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin August 30, 2026 https://wiki.debian.org/LTS Package : libnet-dns-perl Version : 1.29-1+deb11u1 1.36-1+deb12u1 CVE ID : CVE-2026-64194 Debian Bug : 1142503 Steffen Ullrich discovered that...

Debian dla-4761 : libnet-dns-perl - security update

The remote Debian 11 / 12 host has a package installed that is affected by a vulnerability as referenced in the dla-4761 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4761-1 [email protected]...

SUSE CVE-2026-40203

When IMAP compression is enabled, the same compression state is reused across responses in a session, so response sizes depend on both attacker-supplied mail and other mail in the same mailbox. An attacker that can send mail to a user and can also observe the sizes of that user's IMAP traffic can...

SUSE CVE-2026-52687

An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression state requires a large amount of memory, and open several such connections. The memory limit of the process is reached with only a few connections, terminating the process and all...

Linux Distros Unpatched Vulnerability : CVE-2026-52687

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression state requires a large amount of memory, a...

Unity Linux 20.1070e Security Update: unbound (UTSA-2026-035859)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-035859 advisory. NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression...

Linux Distros Unpatched Vulnerability : CVE-2026-40203

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When IMAP compression is enabled, the same compression state is reused across responses in a session, so response sizes depend on both attacker-supplied mail an...

SUSE-SU-2026:3872-1 Security update for libcares2

This update for libcares2 fixes the following issues: - CVE-2026-33630: Use-after-free / double-free in c-ares query-completion handling, remotely triggerable via aresgetaddrinfo over TCP bsc1270416. - CVE-2026-69184: CPU-exhaustion denial of service via unbounded DNS name compression pointer...

CVE-2026-81285

Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization = 4.2.0 versions...

CVE-2026-81285 WordPress Smush Image Compression and Optimization plugin <= 4.2.0 - Denial of Service Attack vulnerability

Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization = 4.2.0 versions...

EUVD-2026-67728

Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization = 4.2.0 versions...

ALPINE-CVE-2026-52687

An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression state requires a large amount of memory, and open several such connections. The memory limit of the process is reached with only a few connections, terminating the process and all...

CVE-2026-52687

An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression state requires a large amount of memory, and open several such connections. The memory limit of the process is reached with only a few connections, terminating the process and all...

AZL-98292 CVE-2026-52687 affecting package dovecot 2.3.20-1

An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression state requires a large amount of memory, and open several such connections. The memory limit of the process is reached with only a few connections, terminating the process and all...