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Backport of r1820101 from trunk
resp. r1820103 from 2.4.x.


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comparisons.

Submitted by: wrowe, Robert Święcki <robert swiecki.net>
Backports: r1800917
Reviewed by: wrowe, jchampion, ylavic



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Submitted by: wrowe
Backports: r1800919
Reviewed by: wrowe, jchampion, ylavic



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Backports: r1800173
PR: 61220 
Submitted by: ylavic
Reviewed by: wrowe, jchampion, ylavic



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Added 2.2.x convenience patch.

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a bounds overflow condition. [wrowe]
Backports: r417252

Simplify and correctly range test lb_num. [jorton]
Discovered by Hisanobu Okuda
(No prior commit no)

Reviewed by: jorton, wrowe, ylavic



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mod_mime: fix quoted pair scanning


Submitted By: ylavic




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  *) SECURITY: CVE-2017-3167 (cve.mitre.org)
     Use of the ap_get_basic_auth_pw() by third-party modules outside of the
     authentication phase may lead to authentication requirements being
     bypassed.
     [Emmanuel Dreyfus <manu netbsd.org>, Jacob Champion, Eric Covener]


Submitted By: Emmanuel Dreyfus <manu netbsd.org>, Jacob Champion, Eric Covener
Reviewed By: covener, ylavic, wrowe



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  *) SECURITY: CVE-2017-3169 (cve.mitre.org)
     mod_ssl may dereference a NULL pointer when third-party modules call
     ap_hook_process_connection() during an HTTP request to an HTTPS port.
     [Yann Ylavic]


Submitted By: ylavic
Reviewed By: covener, ylavic, wrowe



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short-circuit on NULL

Submitted By: jchampion
Reviewed By: jchampion, wrowe, ylavic



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found my system problem


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has been reclassified in current OpenSSL releases as WEAK due to 112
or fewer bits of remaining cipher strength, while the Sweet32 disclosure
extended the criticism of RC4 on to 3DES. (IDEA, which potentially has the
same issue, is never enabled by default in OpenSSL, due to patent concerns.)

This commit does not change default httpd behavior, but alters the suggested
behavior of newly provisioned httpd servers. Where adopted, XP with IE8 will
no longer handshake with mod_ssl (previously, XP with IE6 would not handshake.)
The same net effect occurs where OpenSSL is updated to 1.1.0.


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