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CVE-2025-11579

Good to know:

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Date: October 10, 2025

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.

Severity Score

Related Resources (4)

https://github.com/nwaples/rardecode
https://github.com/nwaples/rardecode/commit/52fb4e825c936636f251f7e7deded39ab11df9a9
https://nvd.nist.gov/vuln/detail/CVE-2025-11579
https://www.mend.io/vulnerability-database/CVE-2025-11579

Severity Score

Weakness Type (CWE)

Memory Allocation with Excessive Size Value

CWE-789

Top Fix

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Upgrade Version

Upgrade to version github.com/nwaples/rardecode/v2 - v2.2.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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