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*) ab: Make the TLS layer aware that the underlying socket is nonblocking,
and use/handle POLLOUT where needed to avoid busy IOs and recover write
errors when appropriate. [Yann Ylavic]
*) ab: Keep reading nonblocking to exhaust TCP or SSL buffers when previous
read was incomplete (the SSL case can cause the next poll() to timeout
since data are buffered already). PR 61301 [Luca Toscano, Yann Ylavic]
*) mod_http2: avoid unnecessary data retrieval for a trace log. Allow certain
information retrievals on null bucket beams where it makes sense. [Stefan Eissing]
*) mod_unique_id: Use output of the PRNG rather than IP address and
pid, avoiding sleep() call and possible DNS issues at startup,
plus improving randomness for IPv6-only hosts. [Jan Kaluza]
*) mod_rewrite, core: Avoid the 'Vary: Host' response header when HTTP_HOST
is used in a condition that evaluates to true. PR 58231 [Luca Toscano]
*) mod_http2: v0.10.12, removed optimization for mutex handling in bucket
beams that could lead to assertion failure in edge cases.
[Stefan Eissing]
*) mod_proxy: Fix regression for non decimal loadfactor parameter introduced
in 2.4.28. [Jim Jagielski]
*) mod_authz_dbd: fix a segmentation fault if AuthzDBDQuery is not set.
PR 61546. [Lubos Uhliarik <luhliari redhat.com>]
*) mod_rewrite: Add support for starting External Rewriting Programs
as non-root user on UNIX systems by specifying username and group
name as third argument of RewriteMap directive. [Jan Kaluza]
*) core: Rewrite the Content-Length filter to avoid excessive memory
consumption. Chunked responses will be generated in more cases
than in previous releases. PR 61222. [Joe Orton, Ruediger Pluem]
*) mod_ssl: Fix SessionTicket callback return value, which does seem to
matter with OpenSSL 1.1. [Yann Ylavic]
*) SECURITY: CVE-2017-9798 (cve.mitre.org)
Corrupted or freed memory access. <Limit[Except]> must now be used in the
main configuration file (httpd.conf) to register HTTP methods before the
.htaccess files. [Yann Ylavic]
*) event: Avoid possible blocking in the listener thread when shutting down
connections. PR 60956. [Yann Ylavic]
*) mod_speling: Don't embed referer data in a link in error page.
PR 38923 [Nick Kew]
*) htdigest: prevent a buffer overflow when a string exceeds the allowed max
length in a password file.
[Luca Toscano, Hanno Böck <hanno hboeck de>]
*) mod_proxy: loadfactor parameter can now be a decimal number (eg: 1.25).
[Jim Jagielski]
*) mod_proxy_wstunnel: Allow upgrade to any protocol dynamically.
PR 61142.
*) mod_watchdog/mod_proxy_hcheck: Time intervals can now be spefified
down to the millisecond. Supports 'mi' (minute), 'ms' (millisecond),
's' (second) and 'hr' (hour!) time suffixes. [Jim Jagielski]
*) mod_http2: Fix for stalling when more than 32KB are written to a
suspended stream. [Stefan Eissing]
*) build: allow configuration without APR sources. [Jacob Champion]
*) mod_ssl, ab: Fix compatibility with LibreSSL. PR 61184.
[Bernard Spil <brnrd freebsd.org>, Michael Schlenker <msc contact.de>,
Yann Ylavic]
*) core/log: Support use of optional "tag" in syslog entries.
PR 60525. [Ben Rubson <ben.rubson gmail.com>, Jim Jagielski]
*) mod_proxy: Fix ProxyAddHeaders merging. [Joe Orton]
*) core: Disallow multiple Listen on the same IP:port when listener buckets
are configured (ListenCoresBucketsRatio > 0), consistently with the single
bucket case (default), thus avoiding the leak of the corresponding socket
descriptors on graceful restart. [Yann Ylavic]
Jim Jagielski
committed
*) event: Avoid listener periodic wake ups by using the pollset wake-ability
when available. PR 57399. [Yann Ylavic, Luca Toscano]
*) mod_proxy_wstunnel: Fix detection of unresponded request which could have
led to spurious HTTP 502 error messages sent on upgrade connections.
PR 61283. [Yann Ylavic]
*) SECURITY: CVE-2017-9789 (cve.mitre.org)
mod_http2: Read after free. When under stress, closing many connections,
the HTTP/2 handling code would sometimes access memory after it has been
freed, resulting in potentially erratic behaviour.
[Stefan Eissing]
*) SECURITY: CVE-2017-9788 (cve.mitre.org)
mod_auth_digest: Uninitialized memory reflection. The value placeholder
in [Proxy-]Authorization headers type 'Digest' was not initialized or
reset before or between successive key=value assignments.
*) COMPATIBILITY: mod_lua: Remove the undocumented exported 'apr_table'
global variable when using Lua 5.2 or later. This was exported as a
side effect from luaL_register, which is no longer supported as of
Lua 5.2 which deprecates pollution of the global namespace.
[Rainer Jung]
*) COMPATIBILITY: mod_http2: Disable and give warning when using Prefork.
The server will continue to run, but HTTP/2 will no longer be negotiated.
[Stefan Eissing]
*) COMPATIBILITY: mod_proxy_fcgi: Revert to 2.4.20 FCGI behavior for the
default ProxyFCGIBackendType, fixing a regression with PHP-FPM. PR 61202.
[Jacob Champion, Jim Jagielski]
*) mod_lua: Improve compatibility with Lua 5.1, 5.2 and 5.3.
PR58188, PR60831, PR61245. [Rainer Jung]
*) mod_http2: Simplify ready queue, less memory and better performance. Update
mod_http2 version to 1.10.7. [Stefan Eissing]
*) Allow single-char field names inadvertently disallowed in 2.4.25.
PR 61220. [Yann Ylavic]
*) htpasswd / htdigest: Do not apply the strict permissions of the temporary
passwd file to a possibly existing passwd file. PR 61240. [Ruediger Pluem]
*) core: Avoid duplicate HEAD in Allow header.
This is a regression in 2.4.24 (unreleased), 2.4.25 and 2.4.26.
PR 61207. [Christophe Jaillet]
*) SECURITY: CVE-2017-7679 (cve.mitre.org)
mod_mime can read one byte past the end of a buffer when sending a
*) SECURITY: CVE-2017-7668 (cve.mitre.org)
The HTTP strict parsing changes added in 2.2.32 and 2.4.24 introduced a
bug in token list parsing, which allows ap_find_token() to search past
the end of its input string. By maliciously crafting a sequence of
request headers, an attacker may be able to cause a segmentation fault,
or to force ap_find_token() to return an incorrect value.
*) SECURITY: CVE-2017-7659 (cve.mitre.org)
A maliciously constructed HTTP/2 request could cause mod_http2 to
dereference a NULL pointer and crash the server process.
*) 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.
*) 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]
*) HTTP/2 support no longer tagged as "experimental" but is instead considered
fully production ready.
*) mod_http2: Fix for possible CPU busy loop introduced in v1.10.3 where a stream may keep
the session in continuous check for state changes that never happen.
[Stefan Eissing]
*) mod_proxy_wstunnel: Add "upgrade" parameter to allow upgrade to other
protocols. [Jean-Frederic Clere]
*) MPMs unix: Place signals handlers and helpers out of DSOs to avoid
a possible crash if a signal is caught during (graceful) restart.
PR 60487. [Yann Ylavic]
*) mod_rewrite: When a substitution is a fully qualified URL, and the
scheme/host/port matches the current virtual host, stop interpreting the
path component as a local path just because the first component of the
path exists in the filesystem. Adds RewriteOption "LegacyPrefixDocRoot"
to revert to previous behavior. PR60009.
[Hank Ibell <hwibell gmail.com>]
*) core: ap_parse_form_data() URL-decoding doesn't work on EBCDIC
platforms. PR61124. [Hank Ibell <hwibell gmail.com>]
*) ab: enable option processing for setting a custom HTTP method also for
non-SSL builds. [Rainer Jung]
*) core: EBCDIC fixes for interim responses with additional headers.
[Eric Covener]
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