While it is possible to force the same behavior by setting the internal
option (?J), having a dedicated modifier appears to be useful. After all,
J is even listed on the "Pattern Modifiers" man page[1], but the description
referrs to (?J).
[1] <http://php.net/manual/en/reference.pcre.pattern.modifiers.php>
It is done by implementing the custom stack usage. This makes the
JIT with mode on more compatible with the JIT mode off. Until now, the
default PCRE JIT stack was used which is 32kb big by default. There
are situations where some patterns would fail with JIT while working
correctly without JIT.
The starting size of the JIT stack is still set to 32kb, while the
max is set to the permissive 256kb (and can be increased up to 1mb).
As until now no suchlike bugs regarding JIT were reported, it is expected,
that the stack usage will stay by 32kb in most cases. Though providing
the custom stack, applications will have more room for some sporadic
stack increase, thus more compatibility.
* PHP-5.6: (21 commits)
fix unit tests
update NEWS
add NEWS for fixes
Improve fix for #70172
Fix bug #70312 - HAVAL gives wrong hashes in specific cases
fix test
add test
Fix bug #70366 - use-after-free vulnerability in unserialize() with SplDoublyLinkedList
Fix bug #70365 - use-after-free vulnerability in unserialize() with SplObjectStorage
Fix bug #70172 - Use After Free Vulnerability in unserialize()
Fix bug #70388 - SOAP serialize_function_call() type confusion
Fixed bug #70350: ZipArchive::extractTo allows for directory traversal when creating directories
Improve fix for #70385
Fix bug #70345 (Multiple vulnerabilities related to PCRE functions)
Fix bug #70385 (Buffer over-read in exif_read_data with TIFF IFD tag byte value of 32 bytes)
Fix bug #70219 (Use after free vulnerability in session deserializer)
Fix bug ##70284 (Use after free vulnerability in unserialize() with GMP)
Fix for bug #69782
Add CVE IDs asigned (post release) to PHP 5.4.43
Add CVE IDs asigned to #69085 (PHP 5.4.39)
...
Conflicts:
ext/exif/exif.c
ext/gmp/gmp.c
ext/pcre/php_pcre.c
ext/session/session.c
ext/session/tests/session_decode_variation3.phpt
ext/soap/soap.c
ext/spl/spl_observer.c
ext/standard/var.c
ext/standard/var_unserializer.c
ext/standard/var_unserializer.re
ext/xsl/xsltprocessor.c
* PHP-5.5:
update NEWS
add NEWS for fixes
Improve fix for #70172
Fix bug #70312 - HAVAL gives wrong hashes in specific cases
fix test
add test
Fix bug #70366 - use-after-free vulnerability in unserialize() with SplDoublyLinkedList
Fix bug #70365 - use-after-free vulnerability in unserialize() with SplObjectStorage
Fix bug #70172 - Use After Free Vulnerability in unserialize()
Fix bug #70388 - SOAP serialize_function_call() type confusion
Fixed bug #70350: ZipArchive::extractTo allows for directory traversal when creating directories
Improve fix for #70385
Fix bug #70345 (Multiple vulnerabilities related to PCRE functions)
Fix bug #70385 (Buffer over-read in exif_read_data with TIFF IFD tag byte value of 32 bytes)
Fix bug #70219 (Use after free vulnerability in session deserializer)
Fix for bug #69782
Add CVE IDs asigned (post release) to PHP 5.4.43
Add CVE IDs asigned to #69085 (PHP 5.4.39)
5.4.45 next
Conflicts:
ext/pcre/php_pcre.c
ext/standard/var_unserializer.c
ext/standard/var_unserializer.re
ext/zip/php_zip.c
* PHP-5.4:
Improve fix for #70172
Fix bug #70312 - HAVAL gives wrong hashes in specific cases
fix test
add test
Fix bug #70366 - use-after-free vulnerability in unserialize() with SplDoublyLinkedList
Fix bug #70365 - use-after-free vulnerability in unserialize() with SplObjectStorage
Fix bug #70172 - Use After Free Vulnerability in unserialize()
Fix bug #70388 - SOAP serialize_function_call() type confusion
Fixed bug #70350: ZipArchive::extractTo allows for directory traversal when creating directories
Improve fix for #70385
Fix bug #70345 (Multiple vulnerabilities related to PCRE functions)
Fix bug #70385 (Buffer over-read in exif_read_data with TIFF IFD tag byte value of 32 bytes)
Fix bug #70219 (Use after free vulnerability in session deserializer)
Fix for bug #69782
Add CVE IDs asigned (post release) to PHP 5.4.43
Add CVE IDs asigned to #69085 (PHP 5.4.39)
5.4.45 next
Conflicts:
configure.in
ext/pcre/php_pcre.c
ext/standard/var_unserializer.c
ext/standard/var_unserializer.re
main/php_version.h
To do global matching (/g), for every empty match we have to do a second match
with PCRE_NOTEMPTY turned on. That may fail, however, when the \K escape
sequence is involved. For this purpose libpcre 8.0 introduced the
PCRE_NOTEMPTY_ATSTART flag, which we will use if available, and otherwise fall
back to the old (possibly buggy) behavior.
When advancing after empty matches, php_pcre_match_impl() as well as
php_pcre_replace_impl() always have to advance to the next code point when the
u modifier is given, instead of to the next byte.
