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CVEs in KEV CVEs with EPSS >= 80% Crit. Microsoft High Apache SQL Injection (CWE-89) Linux Kernel High (CVSS 3.1) Apache Struts RCE (Remote Code Execution) XSS (CWE-79) Critical (CVSS 4.0) CVEs to check

Search Results (13 CVEs found)

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CVE Vendors Products Updated CVSS v3.1
CVE-2026-6669 1 Pgbouncer 1 Pgbouncer 2026-09-23 5.9 Medium
Missing upper bound on the key derivation iteration count accepted during SCRAM authentication to a backend server in PgBouncer through 1.25.2 allows a malicious or compromised PostgreSQL backend to cause uncontrolled CPU consumption in PgBouncer. The resulting key derivation cannot be interrupted in frontend builds such as PgBouncer. Because PgBouncer serves all clients from a single process, one backend can in this way stop it from serving traffic for every other database and client it is pooling, so the failure of a single backend is not contained.
CVE-2026-6668 1 Pgbouncer 1 Pgbouncer 2026-09-23 7.5 High
Integer overflow in the packet buffer growth logic in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to cause a denial of service. Sufficiently large input makes the buffer size computation overflow, leaving the growth loop unable to terminate. Because PgBouncer serves all clients from a single process, this saturates a CPU core and stalls every pooled connection until the process is killed. Both unauthenticated and authenticated code paths can reach the overflow.
CVE-2026-19888 1 Pgbouncer 1 Pgbouncer 2026-09-23 7.5 High
Missing validation of a mandatory attribute in the SCRAM client-final-message parser in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to crash the process. A malformed message can make the parser report success while leaving a required value unset, which is then dereferenced as a NULL pointer. The crash occurs before any credential is verified, so no valid account is required. Because PgBouncer serves all clients from a single process, this terminates every pooled connection.
CVE-2026-6664 1 Pgbouncer 1 Pgbouncer 2026-05-14 7.5 High
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.
CVE-2026-6665 1 Pgbouncer 1 Pgbouncer 2026-05-14 8.1 High
The SCRAM code in PgBouncer before 1.25.2 did not check the return value of strlcat() correctly when building the contents of the SCRAM client-final-message. A malicious backend that sends a SCRAM server-final-message with a long nonce can trigger a stack overflow.
CVE-2026-6666 1 Pgbouncer 1 Pgbouncer 2026-05-14 5.9 Medium
A possible null pointer reference in PgBouncer before 1.25.2 could lead to a crash, if a server sends an error response without SQLSTATE field.
CVE-2026-6667 1 Pgbouncer 1 Pgbouncer 2026-05-14 4.3 Medium
PgBouncer before 1.25.2 did not perform an appropriate authorization check for the KILL_CLIENT admin command. All users with access to the administration console (which itself requires authorization) could run this command. It would have been correct to allow only users listed in the admin_users parameter.
CVE-2025-12819 1 Pgbouncer 1 Pgbouncer 2025-12-27 7.5 High
Untrusted search path in auth_query connection handler in PgBouncer before 1.25.1 allows an unauthenticated attacker to execute arbitrary SQL during authentication via a malicious search_path parameter in the StartupMessage.
CVE-2025-2291 2 Debian, Pgbouncer 2 Debian Linux, Pgbouncer 2025-12-08 8.1 High
Password can be used past expiry in PgBouncer due to auth_query not taking into account Postgres its VALID UNTIL value, which allows an attacker to log in with an already expired password
CVE-2021-3935 4 Debian, Fedoraproject, Pgbouncer and 1 more 4 Debian Linux, Fedora, Pgbouncer and 1 more 2025-11-03 8.1 High
When PgBouncer is configured to use "cert" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1.
CVE-2015-4054 1 Pgbouncer 1 Pgbouncer 2025-04-20 N/A
PgBouncer before 1.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by sending a password packet before a startup packet.
CVE-2015-6817 1 Pgbouncer 1 Pgbouncer 2025-04-20 N/A
PgBouncer 1.6.x before 1.6.1, when configured with auth_user, allows remote attackers to gain login access as auth_user via an unknown username.
CVE-2021-3672 6 C-ares Project, Fedoraproject, Nodejs and 3 more 19 C-ares, Fedora, Node.js and 16 more 2024-11-21 5.6 Medium
A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.