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CVE-2017-8786

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Date: May 4, 2017

pcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression.

Language: C

Severity Score

9.8

Related Resources (9)

Url: https://access.redhat.com/security/cve/CVE-2017-8786

Url: https://bugs.exim.org/show_bug.cgi?id=2079

Url: https://vcs.pcre.org/pcre2?view=revision&revision=696

Url: https://vcs.pcre.org/pcre2?view=revision&revision=697

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-8786

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2017-8786

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

Url: https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/

Url: https://www.mend.io/vulnerability-database/CVE-2017-8786

Severity Score

9.8

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

Upgrade Version

Upgrade to version pcre2-10.30

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
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