CVE-2026-13368

WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that...

UBUNTU-CVE-2026-57962

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and...

CVE-2026-57962

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and...

EUVD-2026-40861

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and...

CVE-2026-57962 Denial-of-service via malicious LDAP address-book server

A malicious LDAP server, which a Thunderbird user is configured to query for address-book autocomplete, can stash arbitrarily large amounts of attacker-supplied data into the Thunderbird LDAP client until it crashes due to memory exhaustion. This vulnerability was fixed in Thunderbird 152.0.1 and...

Mozilla Thunderbird < 152.0.1

The version of Thunderbird installed on the remote Windows host is prior to 152.0.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-63 advisory. - An attacker who can send HTML chat messages via Matrix or XMPP can inject arbitrary styled content, phishing...

CVE-2026-49434 Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: LdapNetworkConnector instantiates denied transports and a remote-properties broker

Improper Input Validation vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. An attacker that has access to publish or modify entries in LDAP that match the configured searchBase and searchFilter can instantiate denied transports inside the broker JVM. This can be used...

ALSA-2026:33577 Important: ruby:4.0 security update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Comman...

CVE-2026-49434

Improper Input Validation vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. An attacker that has access to publish or modify entries in LDAP that match the configured searchBase and searchFilter can instantiate denied transports inside the broker JVM. This can be used...

Security Bulletin: Multiple Vulnerabilities in bcprov package bundled with IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging, and IBM Fusion Content-Aware Storage

Summary IBM Fusion, IBM Fusion HCI, IBM Fusion Data Cataloging, and IBM Fusion Content-Aware Storage include bcprov library, which is susceptible to use of broken cryptographic algorithm, Improper neutralization, covert timing channel vulnerabilities CVE-2025-14813, CVE-2026-0636, CVE-2026-5598...

Open WebUI has an LDAP Empty Password Authentication Bypass

LDAP Empty Password Authentication Bypass Affected Component LDAP authentication endpoint:- backend/openwebui/routers/auths.py lines 468-477, user bind with empty password- backend/openwebui/models/auths.py lines 58-60, LdapForm model Affected VersionsCurrent main branch commit 6fdd19bf1 and like...

PYSEC-2026-435 Open WebUI has an LDAP Empty Password Authentication Bypass

LDAP Empty Password Authentication Bypass Affected Component LDAP authentication endpoint: - backend/openwebui/routers/auths.py lines 468-477, user bind with empty password - backend/openwebui/models/auths.py lines 58-60, LdapForm model Affected Versions Current main branch commit 6fdd19bf1 and...

SUSE-SU-2026:2645-1 Security update for dovecot22

This update for dovecot22 fixes the following issues - CVE-2026-33603: login: base64 input can contain tabs that bypass IPC protection bsc1265147. - CVE-2026-40020: IMAP folders can be shared-spammed to everyone bsc1265149. - CVE-2026-42006: imap-login: uncontrolled memory usage with excessive...

CVE-2026-53186

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA SCSI RDMA Protocol SRP component. A malicious or compromised SRP target on the InfiniBand/RoCE fabric can exploit this vulnerability by sending a specially crafted SRP response with an excessively large data length. This can...

SUSE-SU-2026:22352-1 Security update for openssh

This update for openssh fixes the following issues Security fixes: - CVE-2026-3497: information disclosure or denial of service due to uninitialized variables bsc1259642. - CVE-2026-35388: omitted connection multiplexing confirmation for proxy-mode multiplexing sessions bsc1261441. - openssh...

CVE-2026-47242

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to 0.6.5 and 0.5.15, when Net::IMAPid is called with a hash argument, although the ID field value strings are correctly quoted escaping quoted specials, they were not validated to prohibit CRLF sequence...

CVE-2026-47240

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to 0.6.5 and 0.5.15, several Net::IMAP commands accept a "raw data" argument that is sent verbatim after validation to prevent command injection. However, if a server does not support non-synchronizing...

OpenAM has LDAP Injection via `_queryId` Parameter

OpenAM Open Identity Platform is an open-source IAM platform providing SSO, OAuth2, SAML, and OpenID Connect capabilities. The CREST REST API layer exposes user query endpoints under /json/realm/users. In IdentityResourceV1.queryCollection, the HTTP query parameter queryId is passed to a CrestQue...

LDAP Injection

Overview Affected versions of this package are vulnerable to LDAP Injection via the SearchFirstActiveDirectoryRealm.findUserDn function. An attacker can manipulate the LDAP search filter by injecting metacharacters , , , , NUL into the username field, which may result in authentication confusion...

389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls...