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Baseline Requirements 1.1.7 and 1.1.8 Re-Posted

A couple of formatting errors were identified in the Baseline Requirements, and versions 1.1.7 and 1.1.8 have been replaced with corrected versions. Appendix A in versions prior to version 1.1.7 had parts of RSA public key exponent requirements as superscript. It should have read: “The CA SHALL confirm that the value of the public exponent is an odd number equal to 3 or more. Additionally, the public exponent SHOULD be in the range between 216+1 and 2256-1.” That is corrected in version 1.1.7. Also, versions 1.1.7 and 1.1.8 had combined the text at the end of section 11.1.4 as part of the title of section 11.2. That has been corrected in those two versions.

Latest releases
Server Certificate Requirements
SC100: DNSSEC Clarification and Consolidation - Sep 7, 2026

Code Signing Requirements
v3.8 - Aug 5, 2024

What’s Changed CSC-25: Import EV Guidelines to CS Baseline Requirements by @dzacharo in https://github.com/cabforum/code-signing/pull/38 Full Changelog: https://github.com/cabforum/code-signing/compare/v3.7...v3.8

S/MIME Requirements
v1.0.16 - Ballot SMC018 - Sep 29, 2026

This ballot implements the requirements of CCADB Policy Section 6.3 relating to cross-certificates into the S/MIME BR effective immediately. The ballot also specifies that effective July 1, 2027 id-kp-emailProtection (mandatory) and the id-kp-clientAuth (optional) are the only extKeyUsage (EKU) permitted in both Subordinate CA Certificates and Subscriber Certificates. Finally, the ballot clarifies in the Definitions that Legacy Generation profiles were deprecated effective July 15, 2025. This ballot is proposed by Stephen Davidson (DigiCert) and endorsed by Dustin Hollinback (Apple) and Ashish Dhiman (GlobalSign)

Network and Certificate System Security Requirements
Version 2.0.5 (Ballot NS-008) - Jul 9, 2025

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The Certification Authority Browser Forum (CA/Browser Forum) is a voluntary gathering of Certificate Issuers and suppliers of Internet browser software and other applications that use certificates (Certificate Consumers).