HOMEVULNERABILITIESCVE-2017-7245
HIGH

CVE-2017-7245

CWE-119Published: March 23, 2017· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 4) or possibly have unspecified other impact via a crafted file.

NVD Source

Technical Analysis

CVE-2017-7245 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

pcre1 product(s)
pcre
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/97067
ADVISORYhttps://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/
ADVISORYhttp://www.securityfocus.com/bid/97067
ADVISORYhttps://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/

All References (8)

→
http://www.securityfocus.com/bid/97067Third Party Advisory · VDB Entry
→
https://access.redhat.com/errata/RHSA-2018:2486
→
https://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/Third Party Advisory · VDB Entry
→
https://security.gentoo.org/glsa/201710-25
→
http://www.securityfocus.com/bid/97067Third Party Advisory · VDB Entry
→
https://access.redhat.com/errata/RHSA-2018:2486
→
https://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/Third Party Advisory · VDB Entry
→
https://security.gentoo.org/glsa/201710-25

Quick Facts

CVE IDCVE-2017-7245
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedMar 23, 2017

Related CVEs (CWE-119)

CVE-2011-0262
10.0
CVE-1999-0876
10.0
CVE-2025-1866
10.0
CVE-2009-1176
10.0
CVE-2011-0265
10.0
CVE-2015-6603
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-7245 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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