What is the severity of CVE-2024-11521?

CVE-2024-11521 is classified as a critical vulnerability due to its potential for remote code execution.

How do I fix CVE-2024-11521?

The best way to mitigate CVE-2024-11521 is to update IrfanView to the latest version that addresses this vulnerability.

Which versions of IrfanView are affected by CVE-2024-11521?

CVE-2024-11521 affects IrfanView version 4.67 for both x86 and x64 architectures.

What type of attack is associated with CVE-2024-11521?

CVE-2024-11521 is associated with a use-after-free vulnerability that can lead to remote code execution.

Is user interaction required to exploit CVE-2024-11521?

Yes, exploitation of CVE-2024-11521 requires user interaction, as the user must visit a malicious DJVU file.

Vulnerability/
CVE-2024-11521

high

7.8

CWE

416

22/11/2024

25/11/2024

23/2/2025

CVE-2024-11521: IrfanView DJVU File Parsing Use-After-Free Remote Code Execution Vulnerability

First published: Fri Nov 22 2024(Updated: )

IrfanView DJVU File Parsing Use-After-Free 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 DJVU files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24578.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
IrfanView	=4.67
IrfanView	=4.67
IrfanView

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Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-24-1579/

Frequently Asked Questions

What is the severity of CVE-2024-11521?
CVE-2024-11521 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2024-11521?
The best way to mitigate CVE-2024-11521 is to update IrfanView to the latest version that addresses this vulnerability.
Which versions of IrfanView are affected by CVE-2024-11521?
CVE-2024-11521 affects IrfanView version 4.67 for both x86 and x64 architectures.
What type of attack is associated with CVE-2024-11521?
CVE-2024-11521 is associated with a use-after-free vulnerability that can lead to remote code execution.
Is user interaction required to exploit CVE-2024-11521?
Yes, exploitation of CVE-2024-11521 requires user interaction, as the user must visit a malicious DJVU file.

agent/references
agent/title
agent/weakness
agent/type
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agent/last-modified-date
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/trending
agent/source
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/zdi-advisory
source/ZDI
alias/ZDI-24-1579
alias/ZDI-CAN-24578
alias/CVE-2024-11521
vendor/irfanview
canonical/irfanview
version/irfanview/4.67

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Frequently Asked Questions

What is the severity of CVE-2024-11521?
CVE-2024-11521 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2024-11521?
The best way to mitigate CVE-2024-11521 is to update IrfanView to the latest version that addresses this vulnerability.
Which versions of IrfanView are affected by CVE-2024-11521?
CVE-2024-11521 affects IrfanView version 4.67 for both x86 and x64 architectures.
What type of attack is associated with CVE-2024-11521?
CVE-2024-11521 is associated with a use-after-free vulnerability that can lead to remote code execution.
Is user interaction required to exploit CVE-2024-11521?
Yes, exploitation of CVE-2024-11521 requires user interaction, as the user must visit a malicious DJVU file.