Important: Red Hat Security Advisory: Red Hat build of Quarkus 3.27.3.SP2 security update

An update is now available for Red Hat build of Quarkus. 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. For more informatio...

Security update for postgresql-jdbc

This update for postgresql-jdbc fixes the following issue CVE-2026-42198: client-side denial of service via malicious SCRAM-SHA-256 authentication bsc1264174. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

SUSE-SU-2026:2028-1 Security update for postgresql-jdbc

This update for postgresql-jdbc fixes the following issue - CVE-2026-42198: client-side denial of service via malicious SCRAM-SHA-256 authentication bsc1264174...

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...

VulnCheck KEV: CVE-2026-6664

An integer overflow in network packet parsing code in PgBouncer before 1.25.2 bypasses a boundary check and can lead to a crash. An unauthenticated remote attacker can crash PgBouncer with a malformed SCRAM authentication packet...

Security update for ongres-scram, ongres-stringprep, plexus-testing, maven, maven-doxia, mojo-parent, sisu (moderate)

openSUSE security update: security update for ongres-scram, ongres-stringprep, plexus-testing, maven, maven-doxia, mojo-parent, sisu ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20742-1 Rating: moderate References: bsc1250399 Cross-References:...

CVE-2026-33603

A flaw was found in Dovecot. An attacker, positioned as a Man-in-the-Middle MITM between Dovecot and a client, can exploit a specially crafted base64 exchange to fake SCRAM TLS channel binding. This allows the attacker to eavesdrop on communications between Dovecot and the client, leading to...

SUSE CVE-2026-42256

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 to before 0.6.4, when authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational...

SUSE SLES16 Security Update : ongres-scram, ongres-stringprep, plexus-testing, maven, maven-doxia, mojo-parent, sisu (SUSE-SU-2026:21608-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:21608-1 advisory. Changes in ongres-scram: - Version 3.2 Fix Timing Attack Vulnerability in SCRAM Authentication bsc1250399, CVE-2025-59432 Updated...

CVE-2026-6664

A flaw was found in PgBouncer. An integer overflow in the network packet parsing code allows an unauthenticated remote attacker to bypass a boundary check by sending a malformed SCRAM authentication packet. This can lead to a crash, resulting in a Denial of Service DoS for the PgBouncer instance...

UBUNTU-CVE-2026-6478

Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all supported releases. However, current databases may have MD5-hashed...

CVE-2026-6478

Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all supported releases. However, current databases may have MD5-hashed...

CVE-2026-6478 PostgreSQL discloses MD5-hashed passwords via covert timing channel

Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all supported releases. However, current databases may have MD5-hashed...

CVE-2026-6478

CVE-2026-6478 enables a covert timing channel during MD5 password comparison in PostgreSQL authentication, allowing credential recovery sufficient to authenticate. The issue does not affect scram-sha-256 passwords. It can affect databases with MD5-hashed passwords originating from upgrades from P...

CVE-2026-6478

Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all supported releases. However, current databases may have MD5-hashed...

PT-2026-40923

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description A covert timing channel exists during the comparison of...

Linux Distros Unpatched Vulnerability : CVE-2026-6478

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticat...

The vulnerability of the mbuf_get_bytes() and mbuf_get_chars() functions in PostgreSQL PgBouncer’s connection pool allows a hacker to cause a service failure.

The vulnerability of the mbufgetbytes and mbufgetchars functions in PostgreSQL’s PgBouncer connection pool lies in integer overflow. Exploiting this vulnerability could allow a malicious actor to cause a service failure by sending a specially crafted authentication packet called SCRAM...

EUVD-2026-29468

Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the client connection. If successful, the attacker can eavesdrop communications between Dovecot and...

CVE-2026-33603

Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the client connection. If successful, the attacker can eavesdrop communications between Dovecot and...