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CVE Record

CVE-2017-9918: IrfanView version 4.44 (32bit) with TOOLS Plugin 4.50 might allow attackers to cause a denial of service or...

IrfanView version 4.44 (32bit) with TOOLS Plugin 4.50 might allow attackers to cause a denial of service or execute arbitrary code via a crafted file, related to "Data from Faulting Address controls Branch Selection starting at KERNELBASE!QueryOptionalDelayLoadedAPI+0x0000000000000c42."

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

A specially crafted file may crash IrfanView or possibly run code when opened in IrfanView 4.44 32-bit with TOOLS Plugin 4.50. The public record lacks CVSS, CWE, patch, and broad product metadata, so urgency depends on whether this legacy viewer/plugin combination is present.

Executive priority

Prioritize discovery over emergency response. If the affected legacy application/plugin exists on user workstations that handle external files, plan remediation or removal promptly. If not present, document non-exposure and monitor vendor guidance.

Technical view

The CVE describes denial of service or arbitrary code execution related to attacker-controlled data influencing branch selection near KERNELBASE!QueryOptionalDelayLoadedAPI. The source bundle identifies IrfanView 4.44 32-bit with TOOLS Plugin 4.50, but does not provide exploit prerequisites, affected CPEs, root cause class, or a vendor fix.

Likely exposure

Exposure appears limited to systems where users can open untrusted files with IrfanView 4.44 32-bit and TOOLS Plugin 4.50. The provided data does not establish server-side exposure, remote network reachability, or other affected versions.

Exploitation context

The CVE states exploitation uses a crafted file. The bundle does not cite active exploitation, public weaponization, KEV listing, or confirmed patch status. Treat this as file-handling risk until vendor or authoritative advisory details are confirmed.

Researcher notes

The public metadata is sparse: no CVSS, CWE, CPE, patch reference, or KEV signal is provided. Analysis should avoid assuming more affected versions. The GitHub advisory is the only non-CVE reference in the supplied bundle.

Mitigation direction

  • Inventory endpoints for IrfanView 4.44 32-bit and TOOLS Plugin 4.50.
  • Check IrfanView and plugin vendor guidance for fixed versions or removal instructions.
  • Restrict opening untrusted files with this legacy viewer/plugin combination.
  • Consider removing the TOOLS Plugin where business use is not required.
  • Use endpoint controls to limit execution from user-writable file locations.

Validation and detection

  • Confirm installed IrfanView architecture, version, and TOOLS Plugin version.
  • Review file associations and workflows that route untrusted files to IrfanView.
  • Check whether affected hosts receive files from email, web, or external media.
  • Verify whether vendor guidance or internal packaging has superseded version 4.44.
  • Record compensating controls if the plugin cannot be removed immediately.
Prepared
Confidence
low
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2017-9918 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.