Vulnerability Report

CVE-2017-8786

Title: Pcre Pcre2 Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-8786.

CWE Category CWE-119

Published Date May 05, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

4.07%

Vulnerability Summary

CVE-2017-8786: 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.

Impacted Vendors

pcre 1

Reference Links

https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/ https://bugs.exim.org/show_bug.cgi?id=2079 https://security.gentoo.org/glsa/201710-09 https://vcs.pcre.org/pcre2?view=revision&revision=696 https://vcs.pcre.org/pcre2?view=revision&revision=697 https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c/ https://bugs.exim.org/show_bug.cgi?id=2079 https://security.gentoo.org/glsa/201710-09 https://vcs.pcre.org/pcre2?view=revision&revision=696 https://vcs.pcre.org/pcre2?view=revision&revision=697

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns