CVE-2026-103877: Deserialization of Untrusted Data

Deserialization of Untrusted Data vulnerability in Apache Directory LDAP API. A rogue/compromised LDAP server or pre-TLS MITM can answer a client's loadSchema subschema search with a schema object that contains a serialized Java class, allowing some potential RCE. This issue affects Apache...

CVE-2026-102731: Memory Allocation with Excessive Size Value

Memory allocation with excessive size value vulnerability in Apache Directory LDAP API. A malicious peer or a MITM can send a small BER-encoded response causing a large memory allocation before any data is received. This can lead to an OutOfMemoryError and denial of service. The client JVM OOMs...

CVE-2026-86345

A flaw was found in 389-ds-base. The server does not discard plaintext bytes already buffered from a client connection when negotiating StartTLS, allowing an on-path attacker to inject a crafted LDAP message that is processed after the TLS upgrade and whose response is delivered to the client in...

Linux Distros Unpatched Vulnerability : CVE-2026-86344

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage ...

RabbitMQ 3.13.x < 3.13.18 / 4.0.x < 4.0.23 / 4.1.x < 4.1.14 / 4.2.x < 4.2.9 / 4.3.x < 4.3.3 Multiple Vulnerabilities

The version of RabbitMQ installed on the remote host is 3.13.x prior to 3.13.18, or 4.0.x prior to 4.0.23, or 4.1.x prior to 4.1.14, or 4.2.x prior to 4.2.9, or 4.3.x prior to 4.3.3. It is, therefore, affected by multiple vulnerabilities: - The JWKS key fetching mechanism in uaajwt.erl does not...

Linux Distros Unpatched Vulnerability : CVE-2026-86345

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in 389-ds-base. The server does not discard plaintext bytes already buffered from a client connection when negotiating StartTLS, allowing an...

CVE-2026-86345

A flaw exists in 389-ds-base where the server fails to discard plaintext bytes buffered from a client connection during StartTLS negotiation. This allows an on-path attacker to inject a crafted LDAP message that is processed post-TLS upgrade. Due to a messageID collision , the injected response c...

CVE-2026-86345

A flaw was found in 389-ds-base. The server does not discard plaintext bytes already buffered from a client connection when negotiating StartTLS, allowing an on-path attacker to inject a crafted LDAP message that is processed after the TLS upgrade and whose response is delivered to the client in...

CVE-2026-86345 389-ds-base: 389-ds-base: starttls plaintext-buffer retention allows on-path attacker to forge an ldap client's authentication result

A flaw was found in 389-ds-base. The server does not discard plaintext bytes already buffered from a client connection when negotiating StartTLS, allowing an on-path attacker to inject a crafted LDAP message that is processed after the TLS upgrade and whose response is delivered to the client in...

CVE-2026-86345 389-ds-base: 389-ds-base: starttls plaintext-buffer retention allows on-path attacker to forge an ldap client's authentication result

A flaw was found in 389-ds-base. The server does not discard plaintext bytes already buffered from a client connection when negotiating StartTLS, allowing an on-path attacker to inject a crafted LDAP message that is processed after the TLS upgrade and whose response is delivered to the client in...

DEBIAN-CVE-2026-86344

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

CVE-2026-86344

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

AZL-107951 CVE-2026-86344 affecting package 389-ds-base 3.1.1-12

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

UBUNTU-CVE-2026-86344

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

CVE-2026-86344

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

CVE-2026-86344

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

CVE-2026-86344 389-ds-base: 389-ds-base: unauthenticated worker-thread-pool exhaustion via completed-operation-then-incomplete-pdu connection requeue

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

CVE-2026-86344

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...

CVE-2026-86344

A flaw in 389-ds-base allows an unauthenticated remote attacker to perform a denial of service (DoS) attack. By sending a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on a single connection, the attacker can force the server to hand that connection to a second ...

CVE-2026-86344

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed...