OpenSSL 4.1.0-beta1

2026-09-24T08:51:57Z•3043aae29cc84cf105e9c141d1d4458160f79ae9383425bddcaa5f396551b4c3
CVE-2026-14456CVE-2026-14457CVE-2026-18798CVE-2026-34182CVE-2026-45447CVE-2026-54874CVE-2026-54876CVE-2026-63072CVE-2026-63073CVE-2026-63074CVE-2026-63075CVE-2026-63076CVE-2026-75803AEADCMPCMSDTLSOpenSSLOpenSSL-3.0.xOpenSSL-3.4.xOpenSSL-3.5.xOpenSSL-3.6.xOpenSSL-4.0.xOpenSSL-4.1.0PKCS7QUICcertificate-validationcryptographic-librarydenial-of-servicedouble-freeheap-buffer-overflowmemory-safetysecurity-updateuse-after-free

What happened

OpenSSL release feed covering OpenSSL 4.1.0 alpha/beta feature previews and multiple security patch releases across supported branches. The 2026-08-25 patches address memory-safety issues, denial-of-service conditions, cryptographic verification flaws, format-string handling, and AEAD forgery risks. The highest stated severity is High in OpenSSL 4.0.1; other listed patch releases describe their most severe issue as Moderate. Organizations should prioritize upgrading affected OpenSSL installations, particularly those using QUIC, DTLS, CMS, CMP, PKCS7, RPK, OCSP, or AEAD functionality.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
openssl_releases
Record identifier
3043aae29cc84cf105e9c141d1d4458160f79ae9383425bddcaa5f396551b4c3
Enrichment time
2026-09-24T08:51:57Z
AI-assisted enrichment
Yes

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