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CVE-2026-49127— Music Player Daemon < 0.24.11 Stack Buffer Overflow via pcm_unpack_24be

Quick assessment

Affected
MusicPlayerDaemon MPD
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Music Player Daemon是Music Player Daemon开源的一款音乐播放守护进程。 Music Player Daemon 0.24.11之前版本存在安全漏洞，该漏洞源于src/pcm/Pack.cxx中的pcm_unpack_24be函数存在栈缓冲区溢出，可能导致未经身份验证的攻击者通过触发PCM解码器插件中的差一写入来破坏栈内存。攻击者可以发出两个引用恶意HTTP音频源的MPD命令，导致解包循环将1366个条目写入1365个条目的缓冲区，覆盖数组边界后的四个字节，其中三个字节来

CVSS 8.6 · High EPSS 0.51% · P41

Affected Version Matrix 1

VendorProduct Version RangeStatus
MusicPlayerDaemon MPD < 0.24.11 affected
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I. Basic Information for CVE-2026-49127

Vulnerability Information
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Vulnerability Title
Music Player Daemon < 0.24.11 Stack Buffer Overflow via pcm_unpack_24be
Source: CVE Program / CVE List V5
Vulnerability Description
Music Player Daemon (MPD) before version 0.24.11 contains a stack buffer overflow vulnerability in the pcm_unpack_24be function in src/pcm/Pack.cxx that allows unauthenticated attackers to corrupt stack memory by triggering an off-by-one write in the PCM decoder plugin. Attackers can issue two MPD commands referencing a malicious HTTP audio source to cause the unpack loop to write 1366 entries into a 1365-entry buffer, overwriting four bytes past the array boundary with three attacker-controlled bytes from an HTTP response body, resulting in daemon termination or potential code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
Off-by-one错误
Source: CVE Program / CVE List V5
Vulnerability Title
Music Player Daemon 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Music Player Daemon是Music Player Daemon开源的一款音乐播放守护进程。 Music Player Daemon 0.24.11之前版本存在安全漏洞，该漏洞源于src/pcm/Pack.cxx中的pcm_unpack_24be函数存在栈缓冲区溢出，可能导致未经身份验证的攻击者通过触发PCM解码器插件中的差一写入来破坏栈内存。攻击者可以发出两个引用恶意HTTP音频源的MPD命令，导致解包循环将1366个条目写入1365个条目的缓冲区，覆盖数组边界后的四个字节，其中三个字节来
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MusicPlayerDaemon MPD 0 ~ 0.24.11 -

II. Public POCs for CVE-2026-49127

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9784 chars
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III. Intelligence Information for CVE-2026-49127

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Patches & Fixes for CVE-2026-49127 (1)

Vendor Advisories for CVE-2026-49127 (1)

News Coverage for CVE-2026-49127 (1)

Vendor Pages for CVE-2026-49127 (2)

Same Patch Batch · MusicPlayerDaemon · 2026-05-28 · 4 CVEs total

CVE-2026-49128 7.5 HIGH Music Player Daemon < 0.24.11 Path Traversal via LocalStorage URI Handling
CVE-2026-49129 5.8 MEDIUM Music Player Daemon < 0.24.11 SSRF via CurlInputPlugin
CVE-2026-49130 5.3 MEDIUM Music Player Daemon < 0.24.11 CRLF Injection via XspfPlaylistPlugin.cxx

IV. Related Vulnerabilities

Same product: MPD
Same vendor: MusicPlayerDaemon
Same weakness: CWE-193

V. Comments for CVE-2026-49127

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