CVE-2017-7186

7.5 HIGH

Published: March 20, 2017 Modified: May 13, 2026

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securityfocus.com/bid/97030

Source: cve@mitre.org

https://access.redhat.com/errata/RHSA-2018:2486

Source: cve@mitre.org

https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/

Source: cve@mitre.org

Patch Third Party Advisory

https://bugs.exim.org/show_bug.cgi?id=2052

Source: cve@mitre.org

Third Party Advisory

https://security.gentoo.org/glsa/201710-09

Source: cve@mitre.org

https://security.gentoo.org/glsa/201710-25

Source: cve@mitre.org

https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date

Source: cve@mitre.org

Patch

https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date

Source: cve@mitre.org

Patch

https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date

Source: cve@mitre.org

Patch

https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date

Source: cve@mitre.org

Patch

http://www.securityfocus.com/bid/97030