Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through osslcmpmsgcheckupdate in crypto/cmp/cmpvfy.c. An attacker can drive unbounded memory growth by repeatedly sending CMP messages with unique extraCerts that are rejected during...

CVE-2026-63074 CMP Indefinite Cache Growth of ExtraCerts

Issue summary: The OpenSSL Certificate Management Protocol CMP caches additional certificates extraCerts sent in a CMP message, but never expunges them for instance if they are invalid. If a server reuses an OSSLCMPCTX frequently, this cache of extraCerts may grow unboundedly, and a malicious...

Linux Distros Unpatched Vulnerability : CVE-2026-63074

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Issue summary: The OpenSSL Certificate Management Protocol CMP caches additional certificates extraCerts sent in a CMP message, but never expunges them for...

CVE-2026-63074: Allocation of Resources Without Limits or Throttling

Issue summary: The OpenSSL Certificate Management Protocol CMP caches additional certificates extraCerts sent in a CMP message, but never expunges them for instance if they are invalid. If a server reuses an OSSLCMPCTX frequently, this cache of extraCerts may grow unboundedly, and a malicious...