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VulnerabilityPublished

CVE-2024-31007: IrfanView · Buffer Overflow

Affects IrfanViewSource CVE Database V5

0

Not known to be exploited · CVSS 5.5 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubkirito999/IrfanViewpkg:github/kirito999/IrfanViewOther threatsAffected
  • =4.66
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate CVE-2024-31007, organizations should first avoid using the affected IrfanView 32bit version 4.66 with the vulnerable formats.dll plugin. If possible, upgrade to a newer version of IrfanView where this vulnerability is addressed or use the 64-bit version if it is not affected. Until a patch is released, implement strict file handling policies to prevent users from opening untrusted or suspicious image files with IrfanView. Employ endpoint protection solutions that can detect anomalous application crashes or suspicious file activity. Educate users about the risks of opening files from unknown or untrusted sources. Additionally, consider application whitelisting or sandboxing IrfanView to contain potential crashes and prevent broader system impact. Monitor vendor announcements for patches and apply them promptly once available.

Description

Buffer Overflow vulnerability in IrfanView 32bit v.4.66 allows a local attacker to cause a denial of service via a crafted file. Affected component is IrfanView 32bit 4.66 with plugin formats.dll.

References

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