CVE-2025-11579: rardecode — Fix

Description

github.com/nwaples/rardecode versions <=2.1.1 fail to restrict the dictionary size when reading large RAR dictionary sizes, which allows an attacker to provide a specially crafted RAR file and cause Denial of Service via an Out Of Memory Crash.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-789 CWE-789

Affected Products

Vendor	Product	Versions
nwaples	rardecode	< 2.1.1

References

Advisories & Patches

https://github.com/nwaples/rardecode/commit/52fb4e825c936636f251f7e7deded39ab11df9a9

Frequently Asked Questions

What is CVE-2025-11579? +

github.com/nwaples/rardecode versions <=2.1.1 fail to restrict the dictionary size when reading large RAR dictionary sizes, which allows an attacker to provide a specially crafted RAR file and cause Denial of Service via an Out Of Memory Crash. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-11579? +

CVE-2025-11579 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-11579? +

CVE-2025-11579 affects products from nwaples, specifically: rardecode. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-11579? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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