CVE-2024-5874: IrfanView PNT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Q: How do I fix CVE-2024-5874?

formats: upgrade to newer than 4.66.2. Exact commands for each OS are on this page.

Q: Is CVE-2024-5874 being exploited?

CVE-2024-5874 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-5874 affect?

CVE-2024-5874 affects formats. Severity is high (CVSS 7.8). IrfanView PNT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of IrfanView. User interaction is required to exploit this vu

Routine

HIGH 7.8UPGRADE

CVE-2024-5874 is a high-severity flaw (CVSS 7.8) affecting formats. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IrfanView PNT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of IrfanView. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PNT files. The issue results from the lack of proper validation of user-suppl

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-787
Published	2024-11-22
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: irfanview

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-22 20:15 UTCPublished CVE record published
2026-06-17 08:16 UTCUpdated Record last modified

irfanview formats UPGRADE

Affected: <= 4.66.2

Fixed in: newer than 4.66.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy formats || rpm -q formats || formats --version

2. UPGRADE to newer than 4.66.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade formats

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade formats

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-5874?

formats: upgrade to newer than 4.66.2. Exact commands for each OS are on this page.

Is CVE-2024-5874 being exploited?

CVE-2024-5874 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-5874 affect?

CVE-2024-5874 affects formats. Severity is high (CVSS 7.8). IrfanView PNT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of IrfanView. User interaction is required to exploit this vu

How urgent is CVE-2024-5874?

Priority 38/100. High severity

Related CVEs

CVE-2024-5877 HIGH 7.8 UPGRADE IrfanView PIC File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2024-5876 HIGH 7.8 UPGRADE IrfanView PSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2024-5875 HIGH 7.8 UPGRADE IrfanView SHP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

References

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