Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2017-03-20T00:59:00.190

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	pcre	pcre	8.40	Yes
Application	pcre	pcre2	10.23	Yes

References

http://www.securityfocus.com/bid/97030 ([email protected])
https://access.redhat.com/errata/RHSA-2018:2486 ([email protected])
https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/ Patch, Third Party Advisory ([email protected])
https://bugs.exim.org/show_bug.cgi?id=2052 Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201710-09 ([email protected])
https://security.gentoo.org/glsa/201710-25 ([email protected])
https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date Patch ([email protected])
https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date Patch ([email protected])
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date Patch ([email protected])
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date Patch ([email protected])
http://www.securityfocus.com/bid/97030 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:2486 (af854a3a-2127-422b-91ae-364da2661108)
https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/ Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.exim.org/show_bug.cgi?id=2052 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201710-09 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201710-25 (af854a3a-2127-422b-91ae-364da2661108)
https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date Patch (af854a3a-2127-422b-91ae-364da2661108)
https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date Patch (af854a3a-2127-422b-91ae-364da2661108)
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date Patch (af854a3a-2127-422b-91ae-364da2661108)
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date Patch (af854a3a-2127-422b-91ae-364da2661108)