Vulnerability Details CVE-2017-7186
libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.037
EPSS Ranking 87.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://www.securityfocus.com/bid/97030
- https://access.redhat.com/errata/RHSA-2018:2486
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/
- https://bugs.exim.org/show_bug.cgi?id=2052
- https://security.gentoo.org/glsa/201710-09
- https://security.gentoo.org/glsa/201710-25
- https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date
- https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date
- https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date
- https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date
- http://www.securityfocus.com/bid/97030
- https://access.redhat.com/errata/RHSA-2018:2486
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/
- https://bugs.exim.org/show_bug.cgi?id=2052
- https://security.gentoo.org/glsa/201710-09
- https://security.gentoo.org/glsa/201710-25
- https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date
- https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date
- https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date
- https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date