Fedora 36: pcre2 2022-e56085ba31 | LinuxSecurity.com
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Fedora Update Notification
FEDORA-2022-e56085ba31
2022-05-12 20:24:55.994298
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Name        : pcre2
Product     : Fedora 36
Version     : 10.40
Release     : 1.fc36
URL         : https://www.pcre.org/
Summary     : Perl-compatible regular expression library
Description :
PCRE2 is a re-working of the original PCRE (Perl-compatible regular
expression) library to provide an entirely new API.

PCRE2 is written in C, and it has its own API. There are three sets of
functions, one for the 8-bit library, which processes strings of bytes, one
for the 16-bit library, which processes strings of 16-bit values, and one for
the 32-bit library, which processes strings of 32-bit values. There are no C++
wrappers. This package provides support for strings in 8-bit and UTF-8
encodings. Install pcre2-utf16 or pcre2-utf32 packages for the other ones.

The distribution does contain a set of C wrapper functions for the 8-bit
library that are based on the POSIX regular expression API (see the pcre2posix
man page). These can be found in a library called libpcre2posix. Note that
this just provides a POSIX calling interface to PCRE2; the regular expressions
themselves still follow Perl syntax and semantics. The POSIX API is
restricted, and does not give full access to all of PCRE2's facilities.

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Update Information:

Rebase to version 10.40
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ChangeLog:

* Mon Apr 25 2022 Lukas Javorsky  - 10.40-1
- Rebase to the 10.40
- Resolves multiple Out-of-bounds read errors
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References:

  [ 1 ] Bug #2075955 - pcre2-10.40 is available
        https://bugzilla.redhat.com/show_bug.cgi?id=2075955
  [ 2 ] Bug #2077986 - CVE-2022-1587 pcre2: Out-of-bounds read in get_recurse_data_length in pcre2_jit_compile.c [fedora-all]
        https://bugzilla.redhat.com/show_bug.cgi?id=2077986
  [ 3 ] Bug #2077987 - CVE-2022-1586 pcre2: Out-of-bounds read in compile_xclass_matchingpath in pcre2_jit_compile.c [fedora-all]
        https://bugzilla.redhat.com/show_bug.cgi?id=2077987
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2022-e56085ba31' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

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
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Fedora 36: pcre2 2022-e56085ba31

May 12, 2022

Summary

PCRE2 is a re-working of the original PCRE (Perl-compatible regular

expression) library to provide an entirely new API.

PCRE2 is written in C, and it has its own API. There are three sets of

functions, one for the 8-bit library, which processes strings of bytes, one

for the 16-bit library, which processes strings of 16-bit values, and one for

the 32-bit library, which processes strings of 32-bit values. There are no C++

wrappers. This package provides support for strings in 8-bit and UTF-8

encodings. Install pcre2-utf16 or pcre2-utf32 packages for the other ones.

The distribution does contain a set of C wrapper functions for the 8-bit

library that are based on the POSIX regular expression API (see the pcre2posix

man page). These can be found in a library called libpcre2posix. Note that

this just provides a POSIX calling interface to PCRE2; the regular expressions

themselves still follow Perl syntax and semantics. The POSIX API is

restricted, and does not give full access to all of PCRE2's facilities.

Update Information:

Rebase to version 10.40

Change Log

* Mon Apr 25 2022 Lukas Javorsky - 10.40-1 - Rebase to the 10.40 - Resolves multiple Out-of-bounds read errors

References

[ 1 ] Bug #2075955 - pcre2-10.40 is available https://bugzilla.redhat.com/show_bug.cgi?id=2075955 [ 2 ] Bug #2077986 - CVE-2022-1587 pcre2: Out-of-bounds read in get_recurse_data_length in pcre2_jit_compile.c [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2077986 [ 3 ] Bug #2077987 - CVE-2022-1586 pcre2: Out-of-bounds read in compile_xclass_matchingpath in pcre2_jit_compile.c [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2077987

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2022-e56085ba31' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
Name : pcre2
Product : Fedora 36
Version : 10.40
Release : 1.fc36
URL : https://www.pcre.org/
Summary : Perl-compatible regular expression library

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