HOMEVULNERABILITIESCVE-2017-6843
HIGH

CVE-2017-6843

CWE-119Published: March 15, 2017· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Heap-based buffer overflow in the PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.4 allows remote attackers to have unspecified impact via a crafted file.

NVD Source

Technical Analysis

CVE-2017-6843 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

podofo_project1 product(s)
podofo
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

ADVISORYhttps://blogs.gentoo.org/ago/2017/03/02/podofo-heap-based-buffer-overflow-in-podofopdfvariantdelayedload-pdfvariant-h/
ADVISORYhttps://blogs.gentoo.org/ago/2017/03/02/podofo-heap-based-buffer-overflow-in-podofopdfvariantdelayedload-pdfvariant-h/

All References (2)

→
https://blogs.gentoo.org/ago/2017/03/02/podofo-heap-based-buffer-overflow-in-podofopdfvariantdelayedload-pdfvariant-h/Third Party Advisory · VDB Entry
→
https://blogs.gentoo.org/ago/2017/03/02/podofo-heap-based-buffer-overflow-in-podofopdfvariantdelayedload-pdfvariant-h/Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2017-6843
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedMar 15, 2017

Related CVEs (CWE-119)

CVE-2014-7186
10.0
CVE-2007-4642
10.0
CVE-2007-4584
10.0
CVE-2014-7187
10.0
CVE-2007-6454
10.0
CVE-2002-2400
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-6843 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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