Threats Tagged 'cve-2026-14663'

This security update for PostgreSQL 18 addresses multiple vulnerabilities affecting various components such as psql, logical decoding, pgcrypto, regexp, and others. The issues include heap buffer overflows that can lead to arbitrary code execution, type confusion, integer wraparound causing undersize allocations, privilege enforcement failures, and SQL injection risks. The update fixes these vulnerabilities to improve the security and stability of PostgreSQL 18 and related versions.

Red Hat has issued a security advisory for Red Hat Hardened Images RPMs, including multiple PostgreSQL 17 packages. The update addresses several vulnerabilities identified by CVE-2026-14663 and others. This advisory provides updated RPM packages for various PostgreSQL components across aarch64 and x86_64 architectures. The update is classified as a high severity security advisory and includes bug fixes and enhancements. A patch is available and should be applied to affected systems to mitigate the vulnerabilities.

CVE-2026-14663 is a vulnerability in PostgreSQL's pgcrypto module where cleartext data can be recovered due to disabled ciphers in OpenSSL. This flaw affects multiple encryption and decryption functions, allowing decryption to succeed even with incorrect keys, thereby bypassing the Modification Detection Code (MDC) protection. Versions prior to PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected. The vulnerability has a medium severity with a CVSS score of 6.5.