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CVE-2026-109828— libsndfile WAV Parsing wavlike.c wavlike_subchunk_parse uninitialized variable

Quick assessment

Affected
n/a libsndfile
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 libsndfile 1.2.2 及更早版本中发现了一个漏洞。该问题影响 WAV 解析组件中的 文件中的 函数。通过特定操作可导致未初始化变量被使用。该漏洞支持远程利用，且相关 exploit 代码已公开并可被实际利用。项目方已通过 issue 报告在早期获知此问题，但截至目前尚未作出回应。

CVSS 4.3 · Medium EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
n/a libsndfile 1.2.0 affected
1.2.1 affected
1.2.2 affected
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I. Basic Information for CVE-2026-109828

Vulnerability Information
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Vulnerability Title
libsndfile WAV Parsing wavlike.c wavlike_subchunk_parse uninitialized variable
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in libsndfile up to 1.2.2. This issue affects the function wavlike_subchunk_parse of the file src/wavlike.c of the component WAV Parsing. Performing a manipulation results in use of uninitialized variable. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用未经初始化的变量
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- libsndfile 1.2.0 cpe:2.3:a:libsndfile:libsndfile:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-109828

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III. Intelligence Information for CVE-2026-109828

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Vendor Advisories for CVE-2026-109828 (1)

Vendor Pages for CVE-2026-109828 (1)

Same Patch Batch · n/a · 2026-10-13 · 26 CVEs total

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CVE-2024-34319 ProPhoenix Law RMS v2022.2403.3.101服务端请求伪造漏洞
CVE-2026-95122 mp4v2 2.0.0空指针解引用致DoS

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: libsndfile
Same vendor: n/a
Same weakness: CWE-457

V. Comments for CVE-2026-109828

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