HOMEVULNERABILITIESCVE-2007-6561
MEDIUMPOC

CVE-2007-6561

CWE-119Published: December 28, 2007· Updated: Jun 16, 2026

5.7
CVSS v3.1

Official Description

Multiple stack-based buffer overflows in PDFLib allow user-assisted remote attackers to execute arbitrary code via a long filename argument to the PDF_load_image function that results in an overflow in the pdc_fsearch_fopen function, and possibly other vectors.

NVD Source

Technical Analysis

CVE-2007-6561 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2007-6561. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

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 VectorAdjacent
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:A/AC:M/Au:N/C:N/I:N/A:C

Affected Vendors & Products

pdflib1 product(s)
pdflib
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (14)

Quick Facts

CVE IDCVE-2007-6561
CVSS Score5.7 / 10
SeverityMEDIUM
WeaknessCWE-119
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedDec 28, 2007

Related CVEs (CWE-119)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2007-6561 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.