It was discovered that OpenSSL had an inefficient algorithm in its QUIC stream reassembly implementation. A remote attacker could possibly use this issue to cause OpenSSL to use excessive CPU resources, leading to a denial of service. (CVE-2026-42772) It was discovered that OpenSSL did not properly limit memory allocated for QUIC packet buffers.
USN-8861-1: OpenSSL vulnerabilities
calendar_today
October 1, 2026
domain
ubuntu