commit 51e8a84ce742db0f6c70510d0159dad8f7825908
Author: Tomas Mraz <tomas@openssl.org>
Date:   Tue Mar 21 16:15:47 2023 +0100

    Fix documentation of X509_VERIFY_PARAM_add0_policy()
    
    The function was incorrectly documented as enabling policy checking.
    
    Fixes: CVE-2023-0466
    
    Reviewed-by: Matt Caswell <matt@openssl.org>
    Reviewed-by: Paul Dale <pauli@openssl.org>
    (Merged from https://github.com/openssl/openssl/pull/20563)

diff --git a/doc/man3/X509_VERIFY_PARAM_set_flags.pod b/doc/man3/X509_VERIFY_PARAM_set_flags.pod
index 75a1677022..43c1900bca 100644
--- a/doc/man3/X509_VERIFY_PARAM_set_flags.pod
+++ b/doc/man3/X509_VERIFY_PARAM_set_flags.pod
@@ -98,8 +98,9 @@ B<trust>.
 X509_VERIFY_PARAM_set_time() sets the verification time in B<param> to
 B<t>. Normally the current time is used.
 
-X509_VERIFY_PARAM_add0_policy() enables policy checking (it is disabled
-by default) and adds B<policy> to the acceptable policy set.
+X509_VERIFY_PARAM_add0_policy() adds B<policy> to the acceptable policy set.
+Contrary to preexisting documentation of this function it does not enable
+policy checking.
 
 X509_VERIFY_PARAM_set1_policies() enables policy checking (it is disabled
 by default) and sets the acceptable policy set to B<policies>. Any existing
@@ -400,6 +401,10 @@ The X509_VERIFY_PARAM_get_hostflags() function was added in OpenSSL 1.1.0i.
 The X509_VERIFY_PARAM_get0_host(), X509_VERIFY_PARAM_get0_email(),
 and X509_VERIFY_PARAM_get1_ip_asc() functions were added in OpenSSL 3.0.
 
+The function X509_VERIFY_PARAM_add0_policy() was historically documented as
+enabling policy checking however the implementation has never done this.
+The documentation was changed to align with the implementation.
+
 =head1 COPYRIGHT
 
 Copyright 2009-2023 The OpenSSL Project Authors. All Rights Reserved.