Irfanview
CVE-2017-7721
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
|
| Impact | CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.31%. |
| Exploit ScenarioDerived | Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
IrfanView version 4.44 (32bit) with FPX Plugin before 4.45 has an Access Violation and crash in processing a FlashPix (.FPX) file. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-20. IrfanView version 4.44 (32bit) with FPX Plugin before 4.45 has an Access Violation and crash in processing a FlashPix (.FPX) file. Affected products include: Irfanview, Irfanview Fpx. Version information: version 4.44.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
IrfanView version 4.44 (32bit) with FPX Plugin before 4.45 has an Access Violation and crash in processing a FlashPix (.FPX) file.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
Stack-based buffer overflow in the JPEG2000 plugin in IrfanView PlugIns before 4.33 allows remote attackers to execute a
Heap-based buffer overflow in jpeg_ls.dll in the Jpeg_LS (aka JLS) plugin in the formats plugins in IrfanView PlugIns be
Heap-based buffer overflow in the FlashPix PlugIn before 4.3.4.0 for IrfanView might allow remote attackers to execute a
Double free vulnerability in the Free_All_Memory function in jpeg/dectile.c in libfpx before 1.3.1-1, as used in the Fla
The WPG plugin before 3.1.0.0 for IrfanView 4.57 has a Read Access Violation on Control Flow starting at WPG!ReadWPG_W+0
In IrfanView 4.53, Data from a Faulting Address controls a subsequent Write Address starting at image00400000+0x00000000
IrfanView 4.52 has a User Mode Write AV starting at image00400000+0x00000000000249c6. Rated high severity (CVSS 7.8), th
IrfanView 4.52 has a User Mode Write AV starting at image00400000+0x0000000000013a98. Rated high severity (CVSS 7.8), th
The WPG plugin before 3.1.0.0 for IrfanView 4.57 has a user-mode write access violation starting at WPG+0x0000000000012e
irfanView 4.56 contains an error processing parsing files of type .pcx. Rated high severity (CVSS 7.5), this vulnerabili
Buffer overflow in IrfanView before 4.37, when a multibyte-character directory name is used, allows user-assisted remote
IrfanView B3D PlugIns before version 4.56 has a B3d.dll!+1cbf heap-based out-of-bounds write. Rated critical severity (C
Exploit-DB