Security readout for executives and security teams
Plain-English summary
CVE-2017-9917 is an old IrfanView issue involving version 4.44 32-bit with TOOLS Plugin 4.50. A specially crafted file may crash the application and could have other unspecified impact. The sources do not provide a CVSS score, confirmed patch, or evidence of active exploitation.
Executive priority
Treat this as a legacy software hygiene item unless the affected IrfanView/plugin combination is still used in file intake workflows. Prioritize inventory and removal or update of old installs over emergency response.
Technical view
The CVE describes faulting-address-derived data being used as an argument in a later function call at ntdll!RtlFreeHandle. The reported impact is denial of service or unspecified other impact when processing a crafted file in IrfanView 4.44 32-bit with TOOLS Plugin 4.50.
Likely exposure
Exposure appears limited to endpoints that still run IrfanView 4.44 32-bit with TOOLS Plugin 4.50, especially where users open files from email, downloads, tickets, or external media.
Exploitation context
The source bundle does not show KEV listing, active exploitation, public weaponization status, CVSS scoring, or vendor remediation details. The described attack vector is a crafted file opened by the vulnerable application/plugin combination.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, affected product metadata, or patch details are included. The description supports crafted-file-triggered denial of service and only says possible unspecified other impact, so avoid assuming code execution without additional evidence.
Mitigation direction
- Inventory and remove unsupported IrfanView 4.44 32-bit installations where feasible.
- Check IrfanView and plugin vendor guidance for fixed versions or replacement recommendations.
- Disable or remove the TOOLS Plugin 4.50 if it is not business-required.
- Restrict opening untrusted files on systems that retain the vulnerable configuration.
Validation and detection
- Search software inventory for IrfanView 4.44 32-bit and TOOLS Plugin 4.50.
- Confirm whether affected users process files from external or untrusted sources.
- Review endpoint crash telemetry for IrfanView faults linked to file handling.
- Track CVE Program and vendor references for any later remediation details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-9917 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-9917CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.