{"id":"CVE-2026-49127","state":"PUBLISHED","title":"Music Player Daemon < 0.24.11 Stack Buffer Overflow via pcm_unpack_24be","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.","publishedAt":"2026-05-28T18:59:13.786Z","updatedAt":"2026-07-28T01:49:33.401Z","severity":{"score":8.8,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["MusicPlayerDaemon MPD"],"affected":[{"vendor":"MusicPlayerDaemon","product":"MPD","packageURL":"pkg:github/MusicPlayerDaemon/MPD","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"0.24.11","versionType":"semver"}],"repo":"https://github.com/MusicPlayerDaemon/MPD"}],"references":["https://mstreet97.github.io/security-research/opensource/vulnerability-disclosure/cybersecurity/cve/2026/05/25/Four_Bugs_Reachable_nc.html","https://www.musicpd.org/news/2026/05/mpd-0-24-11-released/","https://raw.githubusercontent.com/MusicPlayerDaemon/MPD/v0.24.11/NEWS","https://github.com/MusicPlayerDaemon/MPD/releases/tag/v0.24.11","https://github.com/MusicPlayerDaemon/MPD/issues/2485","https://github.com/MusicPlayerDaemon/MPD/commit/59911028c020f84bc2e669da6a1ef88121301274","https://www.vulncheck.com/advisories/music-player-daemon-stack-buffer-overflow-via-pcm-unpack-24be"],"weaknesses":["CWE-193"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/49xxx/CVE-2026-49127.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49127","state":"PUBLISHED","datePublished":"2026-05-28T18:59:13.786Z","dateUpdated":"2026-07-28T01:49:33.401Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-05-27T17:40:12.738Z"},"containers":{"cna":{"title":"Music Player Daemon < 0.24.11 Stack Buffer Overflow via pcm_unpack_24be","descriptions":[{"lang":"en","value":"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. 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