CVE-2024-11510: IrfanView WBZ plugin WB1 File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

Routine

HIGH 7.8UPGRADE

CVE-2024-11510 is a high-severity flaw (CVSS 7.8) affecting irfanview. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IrfanView WBZ plugin WB1 File Parsing Stack-based Buffer Overflow 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 WB1 files. The issue results from the lack of proper valid

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	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-121, 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 21:15 UTCPublished CVE record published
2026-06-17 06:57 UTCUpdated Record last modified

irfanview irfanview UPGRADE

Affected: >= 4.62 and < 4.70

Fixed in: 4.70

Safe to downgrade to: a release before 4.62

1. Check installed version

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

2. UPGRADE to 4.70 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade irfanview

Note

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

3. If no update is available yet, DOWNGRADE to a release before 4.62 (Debian / Ubuntu)

apt-cache madison irfanview sudo apt install irfanview=<VERSION_BEFORE_4.62> sudo apt-mark hold irfanview

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list irfanview sudo dnf downgrade irfanview-<VERSION_BEFORE_4.62> sudo dnf versionlock add irfanview

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-11510?

irfanview: upgrade to 4.70. Exact commands for each OS are on this page.

Is CVE-2024-11510 being exploited?

CVE-2024-11510 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-2024-11510 affect?

CVE-2024-11510 affects irfanview. Severity is high (CVSS 7.8). IrfanView WBZ plugin WB1 File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of IrfanView. User interaction is required

How urgent is CVE-2024-11510?

Priority 35/100. High severity

Related CVEs

CVE-2024-9767 HIGH 7.8 DOWNGRADE IrfanView SID File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
CVE-2024-9261 HIGH 7.8 DOWNGRADE IrfanView SID File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2024-9260 HIGH 7.8 DOWNGRADE IrfanView SID File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2024-9259 HIGH 7.8 DOWNGRADE IrfanView SID File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2024-9258 HIGH 7.8 DOWNGRADE IrfanView SID File Parsing Uninitialized Pointer Remote Code Execution Vulnerability

References

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