Untrusted Sender DN Used as Format String in CMP Response Validation

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USN-8678-1: OpenSSL vulnerabilities

It was discovered that OpenSSL incorrectly handled the QUIC server incoming channel queue. A remote attacker could possibly use this issue to cause OpenSSL to use excessive resources, leading to a denial of service. This issue only affected Ubuntu 26.04 LTS. CVE-2026-14456 It was discovered that...

AZL-97950 CVE-2026-63073 affecting package openssl for versions less than 3.3.7-6

Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directly as the format string to ERRraisedata. Impact summary: A malicious or intercepted CMP endpoint can crash a CMP client that enforces an expected sender or uses a pinned server certificate...