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CVE-2017-7186

Good to know:

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Date: March 19, 2017

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.

Language: C

Severity Score

Related Resources (13)

https://bugs.exim.org/show_bug.cgi?id=2052
https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/
https://security.gentoo.org/glsa/201710-25
https://nvd.nist.gov/vuln/detail/CVE-2017-7186
https://vcs.pcre.org/pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date
https://access.redhat.com/security/cve/CVE-2017-7186
http://www.securityfocus.com/bid/97030
https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date
https://vcs.pcre.org/pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date
https://access.redhat.com/errata/RHSA-2018:2486
https://security.gentoo.org/glsa/201710-09
https://www.mend.io/vulnerability-database/CVE-2017-7186

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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