PT-2017-18526 · Php Community+1 · Pcre2+1

Published 2017-05-05 · Updated 2017-11-02 · CVE-2017-8786

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions PCRE2 version 10.23

Description The issue allows remote attackers to cause a denial of service, specifically a heap-based buffer overflow, or possibly have other unspecified impacts. This is achieved through a crafted regular expression.

Recommendations For PCRE2 version 10.23, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2017-2563

CVE-2017-8786

OPENSUSE-SU-2024:11154-1

Affected Products

Alt Linux

Pcre2

References · 17

• 🔥 https://bugs.exim.org/show_bug.cgi?id=2079 · Exploit
• 🔥 https://blogs.gentoo.org/ago/2017/04/29/libpcre-heap-based-buffer-overflow-write-in-pcre2test-c · Exploit
• https://cve.org/CVERecord?id=CVE-2017-8786 · Security Note
• https://security.gentoo.org/glsa/201710-09 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2017-2563 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8786 · Security Note
• https://vcs.pcre.org/pcre2?view=revision&revision=696 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-8786 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-8786 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-8786 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7186 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-8786 · Security Note
• https://vcs.pcre.org/pcre2?view=revision&revision=697 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8399 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-8786 · Vendor Advisory