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[ GLSA 201706-11 ] PCRE library
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PostPosted: Tue Jul 11, 2017 8:26 am    Post subject: [ GLSA 201706-11 ] PCRE library Reply with quote

Gentoo Linux Security Advisory

Title: PCRE library: Denial of Service (GLSA 201706-11)
Severity: normal
Exploitable: remote
Date: 2017-06-06
Bug(s): #609592
ID: 201706-11

Synopsis

A vulnerability in PCRE library allows remote attackers to cause a
Denial of Service condition.


Background

PCRE library is a set of functions that implement regular expression
pattern matching using the same syntax and semantics as Perl 5.


Affected Packages

Package: dev-libs/libpcre
Vulnerable: < 8.40-r1
Unaffected: >= 8.40-r1
Architectures: All supported architectures


Description

It was found that the compile_bracket_matchingpath function in
pcre_jit_compile.c in PCRE library is vulnerable to an out-of-bounds
read.


Impact

A remote attacker could possibly cause a Denial of Service condition via
a special crafted regular expression.


Workaround

There is no known workaround at this time.

Resolution

All PCRE library users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/libpcre-8.40-r1"
   


References

CVE-2017-6004
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