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Fedora Update Notification
FEDORA-2015-11019
2015-07-02 15:04:37
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Name        : pcre
Product     : Fedora 21
Version     : 8.35
Release     : 12.fc21
URL         : http://www.pcre.org/
Summary     : Perl-compatible regular expression library
Description :
Perl-compatible regular expression library.
PCRE has its own native API, but a set of "wrapper" functions that are based on
the POSIX API are also supplied in the library libpcreposix. Note that this
just provides a POSIX calling interface to PCRE: the regular expressions
themselves still follow Perl syntax and semantics. The header file
for the POSIX-style functions is called pcreposix.h.

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Update Information:

This release fixes two heap buffer overflows when compiling certain regular expressions: CVE-2015-3210 and CVE-2015-5073.
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ChangeLog:

* Wed Jul  1 2015 Petr Pisar  - 8.35-12
- Fix CVE-2015-3210 (heap overflow when compiling an expression with named
  recursive back reference and the name is duplicated) (bug #1236659)
- Fix CVE-2015-5073 (heap overflow when compiling an expression with an
  forward reference within backward asserion with excessive closing
  paranthesis) (bug #1237224)
* Thu May 14 2015 Petr Pisar  - 8.35-11
- Amend Fix-memory-bug-for-S-V-H-compile patch to allow building with disabled
  UTF support (bug #1210383)
* Thu Apr 23 2015 Petr Pisar  - 8.35-10
- Fix static linking (bug #1214494)
- Package pcredemo.c as a documentation for pcre-devel
* Fri Apr 10 2015 Petr Pisar  - 8.35-9
- Fix computing size for pattern with a negated special calss in on-UCP mode
  (bug #1210383)
- Fix compilation of a pattern with mutual recursion nested inside other group
  (bug #1210393)
- Fix compilation of a parenthesized comment (bug #1210410)
- Fix compliation of mutual recursion inside a lookbehind assertion
  (bug #1210417)
- Fix pcregrep loop when \K is used in a lookbehind assertion (bug #1210423)
- Fix pcretest loop when \K is used in a lookbehind assertion (bug #1210423)
- Fix backtracking for \C\X* in UTF-8 mode (bug #1210576)
* Thu Nov 20 2014 Petr Pisar  - 8.35-8
- Fix CVE-2014-8964 (unused memory usage on zero-repeat assertion condition)
  (bug #1165626)
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References:

  [ 1 ] Bug #1226918 - CVE-2015-3210 pcre: heap buffer overflow in pcre_compile2() / compile_regex()
        https://bugzilla.redhat.com/show_bug.cgi?id=1226918
  [ 2 ] Bug #1237223 - CVE-2015-5073 pcre: heap buffer overflow in find_fixedlength()
        https://bugzilla.redhat.com/show_bug.cgi?id=1237223
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This update can be installed with the "yum" update program.  Use
su -c 'yum update pcre' at the command line.
For more information, refer to "Managing Software with yum",
available at .

All packages are signed with the Fedora Project GPG key.  More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/security/
--------------------------------------------------------------------------------
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Fedora 21: pcre Security Update 2015-11019

July 18, 2015
This release fixes two heap buffer overflows when compiling certain regular expressions: CVE-2015-3210 and CVE-2015-5073.

Summary

Perl-compatible regular expression library.

PCRE has its own native API, but a set of "wrapper" functions that are based on

the POSIX API are also supplied in the library libpcreposix. Note that this

just provides a POSIX calling interface to PCRE: the regular expressions

themselves still follow Perl syntax and semantics. The header file

for the POSIX-style functions is called pcreposix.h.

Update Information:

This release fixes two heap buffer overflows when compiling certain regular expressions: CVE-2015-3210 and CVE-2015-5073.

Change Log

* Wed Jul 1 2015 Petr Pisar - 8.35-12 - Fix CVE-2015-3210 (heap overflow when compiling an expression with named recursive back reference and the name is duplicated) (bug #1236659) - Fix CVE-2015-5073 (heap overflow when compiling an expression with an forward reference within backward asserion with excessive closing paranthesis) (bug #1237224) * Thu May 14 2015 Petr Pisar - 8.35-11 - Amend Fix-memory-bug-for-S-V-H-compile patch to allow building with disabled UTF support (bug #1210383) * Thu Apr 23 2015 Petr Pisar - 8.35-10 - Fix static linking (bug #1214494) - Package pcredemo.c as a documentation for pcre-devel * Fri Apr 10 2015 Petr Pisar - 8.35-9 - Fix computing size for pattern with a negated special calss in on-UCP mode (bug #1210383) - Fix compilation of a pattern with mutual recursion nested inside other group (bug #1210393) - Fix compilation of a parenthesized comment (bug #1210410) - Fix compliation of mutual recursion inside a lookbehind assertion (bug #1210417) - Fix pcregrep loop when \K is used in a lookbehind assertion (bug #1210423) - Fix pcretest loop when \K is used in a lookbehind assertion (bug #1210423) - Fix backtracking for \C\X* in UTF-8 mode (bug #1210576) * Thu Nov 20 2014 Petr Pisar - 8.35-8 - Fix CVE-2014-8964 (unused memory usage on zero-repeat assertion condition) (bug #1165626)

References

[ 1 ] Bug #1226918 - CVE-2015-3210 pcre: heap buffer overflow in pcre_compile2() / compile_regex() https://bugzilla.redhat.com/show_bug.cgi?id=1226918 [ 2 ] Bug #1237223 - CVE-2015-5073 pcre: heap buffer overflow in find_fixedlength() https://bugzilla.redhat.com/show_bug.cgi?id=1237223

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update pcre' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
Name : pcre
Product : Fedora 21
Version : 8.35
Release : 12.fc21
URL : http://www.pcre.org/
Summary : Perl-compatible regular expression library

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