CVE-2026-18651

389 Directory Server is affected by a flaw where SASL PLAIN authentication installs connection-level bind credentials before checking if an account is locked, allowing continued privileged access on a connection after lock. The bound state is not reverted when a lock is detected, defeating accoun...

glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive

A flaw was found in GLib. The D-Bus client-side implementation of the DBUSCOOKIESHA1 SASL authentication mechanism does not validate the cookiecontext parameter received from the server. A malicious D-Bus server can supply a cookiecontext containing path traversal sequences, causing the client to...

SUSE CVE-2026-16529

A signed integer overflow in the PCP pmGetPDU function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service DoS for subsequent packet reads...

UBUNTU-CVE-2026-16529

A signed integer overflow in the PCP pmGetPDU function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service DoS for subsequent packet reads...

CVE-2026-16529 Pcp: pcp: denial of service due to signed integer overflow

A signed integer overflow in the PCP pmGetPDU function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service DoS for subsequent packet reads...

CVE-2026-16529

A signed integer overflow in the PCP pmGetPDU function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service DoS for subsequent packet reads...

EUVD-2026-50977

A signed integer overflow in the PCP pmGetPDU function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service DoS for subsequent packet reads...

CVE-2026-16529 Pcp: pcp: denial of service due to signed integer overflow

A signed integer overflow in the PCP pmGetPDU function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service DoS for subsequent packet reads...

PT-2026-66402

Name of the Vulnerable Software and Affected Versions PCP affected versions not specified Description A signed integer overflow occurs in the pmGetPDU function during PDU processing or SASL negotiation. An attacker can exploit this by sending crafted network packets, which permanently blinds the...

OpenDJ SASL PLAIN authzid bypassing the proxy ACI scope check

Summary When a SASL PLAIN bind supplies an authorization identity authzid that resolves to a different user, PlainSASLMechanismHandler verified only the PROXIEDAUTH privilege and never evaluated the "proxy" access-control right the mayProxy ACI scope check. As a result, any account holding the...

PT-2026-71721

Name of the Vulnerable Software and Affected Versions OpenDJ versions prior to 5.1.2 Description The SASL PLAIN authorization identity path in the PlainSASLMechanismHandler.java file fails to evaluate the mayProxy proxy ACI Access Control Instruction scope when an authorization identity resolves ...

GDBusServer: glib2: GDBusServer pre-authentication DoS via unbounded SASL line buffering

A denial-of-service and resource exhaustion vulnerability exists within the GDBus component of GLib. The gdbusauth authentication mechanism fails to enforce proper length limitations on data lines read from a client. An unauthenticated local or remote attacker can exploit this lack of input...

Security update for 389-ds

This update for 389-ds fixes the following issues: Update to version 2.2.10git255.752643c78. Security issues fixed: CVE-2026-11610: missing bounds check in sasliorecv can lead to a heap buffer overflow when processing a specially crafted oversized LDAP UNBIND packet bsc1270695. CVE-2026-11611:...

CVE-2026-15588

CVE-2026-15588 affects GLib’s GDBus component. The gdbusauth mechanism fails to enforce length limits on data lines read from a client, enabling an unauthenticated attacker to trigger DoS and resource exhaustion by sending extremely long data streams. This can cause excessive memory and CPU consu...

CVE-2026-15588 Gdbusserver: glib2: gdbusserver pre-authentication dos via unbounded sasl line buffering

A denial-of-service and resource exhaustion vulnerability exists within the GDBus component of GLib. The gdbusauth authentication mechanism fails to enforce proper length limitations on data lines read from a client. An unauthenticated local or remote attacker can exploit this lack of input...

GDBusServer: glib2: GDBusServer pre-authentication DoS via unbounded SASL line buffering

A denial-of-service and resource exhaustion vulnerability exists within the GDBus component of GLib. The gdbusauth authentication mechanism fails to enforce proper length limitations on data lines read from a client. An unauthenticated local or remote attacker can exploit this lack of input...

libcurl 8.15.0 < 8.21.0 SASL Double-Free (CVE-2026-8925)

The version of libcurl installed on the remote host is 8.15.0 prior to 8.21.0. It is, therefore, affected by a double-free vulnerability: - The curl logic that works with SASL authentication could end up cleaning up the GSASL context twice without clearing the pointer in between, making it free t...

389-ds:1.4 security update

An update is available for module.389-ds-base, 389-ds-base. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list 389 Directory Server is an LDAP version 3 LDAPv3...

389-ds-base: 389-ds-base: Heap buffer overflow in sasl_io_recv() via padded SASL UNBIND

A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. After a successful SASL bind with integrity protection SSF 0, an authenticated attacker can send a specially crafted oversized LDAP UNBIND packet that is copied into a 512-byte heap receive buffer...

Important: Red Hat Security Advisory: 389-ds-base security update

An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.6 Extended Update 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 available...