nwaples rardecode up to 2.1.1 RAR File Parser memory allocation

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in nwaples rardecode up to 2.1.1. It has been rated as problematic. This affects an unknown part of the component RAR File Parser. This manipulation causes memory allocation. This vulnerability is handled as CVE-2025-11579. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in nwaples rardecode up to 2.1.1 and classified as problematic. Affected by this vulnerability is an unknown function of the component RAR File Parser. The manipulation with an unknown input leads to a memory allocation vulnerability. The CWE definition for the vulnerability is CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. As an impact it is known to affect availability. The summary by CVE is:

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.

The weakness was released by Juho Forsén as 52fb4e825c936636f251f7e7deded39ab11df9a9. The advisory is shared at github.com. This vulnerability is known as CVE-2025-11579 since 10/10/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 271185 (Linux Distros Unpatched Vulnerability : CVE-2025-11579), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.2.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (271185) and EUVD (EUVD-2025-33711). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 3.1
CNA Vector (Mattermost): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 271185
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-11579

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: rardecode 2.2.0

Timelineinfo

10/10/2025 Advisory disclosed
10/10/2025 +0 days CVE reserved
10/10/2025 +0 days VulDB entry created
01/17/2026 +99 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 52fb4e825c936636f251f7e7deded39ab11df9a9
Researcher: Juho Forsén
Status: Confirmed

CVE: CVE-2025-11579 (🔒)
GCVE (CVE): GCVE-0-2025-11579
GCVE (VulDB): GCVE-100-327901
EUVD: 🔒

Entryinfo

Created: 10/10/2025 13:42
Updated: 01/17/2026 03:47
Changes: 10/10/2025 13:42 (66), 10/11/2025 06:07 (1), 10/26/2025 19:29 (2), 11/27/2025 13:41 (8), 12/02/2025 11:26 (1), 01/17/2026 03:47 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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