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CVE-2026-108577— Konstanty Bialkowski libmodplug ABC Music Format load_abc.cpp abc_add_gchord resource consumption

Quick assessment

Affected
Konstanty Bialkowski libmodplug
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Konstanty Bialkowski 开发的 libmodplug（最高至 0.8.9.1 版本）中发现一个漏洞。该问题影响 ABC 音乐格式解析器组件中 src/load_abc.cpp 文件里的 abc_add_gchord 函数。此类操作会导致资源消耗。攻击者可能从远程发起攻击。早在披露前就已联系供应商，但供应商未作任何回应。

CVSS 4.3 · Medium EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
Konstanty Bialkowski libmodplug 0.8.9.0 affected
0.8.9.1 affected
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I. Basic Information for CVE-2026-108577

Vulnerability Information
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Vulnerability Title
Konstanty Bialkowski libmodplug ABC Music Format load_abc.cpp abc_add_gchord resource consumption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Konstanty Bialkowski libmodplug up to 0.8.9.1. This issue affects the function abc_add_gchord of the file src/load_abc.cpp of the component ABC Music Format Parser. This manipulation causes resource consumption. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Konstanty Bialkowski libmodplug 0.8.9.0 cpe:2.3:a:konstanty_bialkowski:libmodplug:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108577

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-108577

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IV. Related Vulnerabilities

Same product: libmodplug
Same vendor: Konstanty Bialkowski
Same weakness: CWE-400

V. Comments for CVE-2026-108577

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