High severity · published Mar 20, 2017
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…
7.5
CVSS
5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.0% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7186
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7186
www.securityfocus.com
http://www.securityfocus.com/bid/97030
access.redhat.com
https://access.redhat.com/errata/RHSA-2018:2486
Patch
https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/
Third Party Advisory
https://bugs.exim.org/show_bug.cgi?id=2052
security.gentoo.org
https://security.gentoo.org/glsa/201710-09
security.gentoo.org
https://security.gentoo.org/glsa/201710-25
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