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CVE-2026-111157— SoX through 14.4.2 Heap Out-of-Bounds Write via MS ADPCM WAV Decoding

Quick assessment

Affected
SoX sox
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.

SoX 14.4.2 及更早版本中存在堆溢出写入漏洞。该漏洞位于 src/adpcm.c 文件中的 lsx_ms_adpcm_block_expand_i() 函数内，由 WAV 格式文件头部（fmt chunk）中 samplesPerBlock 值为奇数所触发。攻击者可构造一个特殊的 MS ADPCM 编码的 WAV 文件，提交给 sox 工具或任何基于 libsox 的应用程序，从而在 wav_ms_adpcm_fmt() 分配的堆缓冲区之外，写入部分受控的 16 位音频样本数据。

CVSS 6.1 · Medium EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
SoX sox ≤ 14.4.2 affected
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I. Basic Information for CVE-2026-111157

Vulnerability Information
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Vulnerability Title
SoX through 14.4.2 Heap Out-of-Bounds Write via MS ADPCM WAV Decoding
Source: CVE Program / CVE List V5
Vulnerability Description
SoX through 14.4.2 contains a heap out-of-bounds write vulnerability in lsx_ms_adpcm_block_expand_i() in src/adpcm.c, triggered by an odd samplesPerBlock value in the WAV fmt chunk. Attackers can supply a crafted MS ADPCM WAV file to sox or any libsox consumer to write a partially controlled 16-bit sample past the heap buffer allocated by wav_ms_adpcm_fmt().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SoX sox 0 ~ 14.4.2 -

II. Public POCs for CVE-2026-111157

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III. Intelligence Information for CVE-2026-111157

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Patches & Fixes for CVE-2026-111157 (1)

Vendor Advisories for CVE-2026-111157 (1)

Security Blog Posts for CVE-2026-111157 (1)

IV. Related Vulnerabilities

Same product: sox
Same weakness: CWE-787

V. Comments for CVE-2026-111157

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