CVE-2017-7186

moderate-risk

Published 2017-03-20

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.

Do I need to act?

7.1% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (2)

Pcre

Pcre2

Affected Vendors

Pcre

References (20)

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

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

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

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

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

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

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

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

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

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