{"id":"CVE-2026-49127","aliases":["DEBIAN-CVE-2026-49127","EUVD-2026-33000","GHSA-p9r5-qpp4-rjg3","UBUNTU-CVE-2026-49127"],"status":"published","title":"Music Player Daemon \u003c 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.","severity":{"version":"4.0","score":8.8,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0051,"percentile":0.44015,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-193"],"published":"2026-05-28T18:59:13Z","modified":"2026-11-08T14:04:42Z","fixes":[{"ecosystem":"Debian:14","package":"mpd","fixed_in":["0.24.12-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.12-1","0.23.14-1","0.23.14-2","0.23.15-1","0.23.15-1~bpo12+1","0.23.16-1","0.23.17-1","0.24-1","0.24.1-1","0.24.12-1","0.24.16-1","0.24.2-1","0.24.2-1~bpo12+1","0.24.3-1","0.24.4-1","0.24.6-1","0.24.8-1"]},{"source":"osv","ecosystem":"Debian:13","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.24.12-1","0.24.16-1","0.24.4-1","0.24.6-1","0.24.8-1"]},{"source":"osv","ecosystem":"Debian:14","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.24.12-1"}]}],"versions":["0.24.4-1","0.24.6-1","0.24.8-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.19.10-1build1","0.19.11-1","0.19.12-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.20.9-2","0.20.9-2build2","0.20.11-1","0.20.11-1build1","0.20.13-1","0.20.17-1","0.20.18-1","0.20.18-1build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.21.13-1build1","0.21.13-1build2","0.21.16-1","0.21.16-1build1","0.21.16-1build2","0.21.20-1","0.21.20-1build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.22.6-1build1","0.23.3-2","0.23.5-1build1","0.23.5-1build2","0.23.5-1build3","0.23.5-1build4","0.23.5-1build5","0.23.5-1build7"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.12-1build3","0.23.14-1","0.23.14-2","0.23.14-2build1","0.23.14-2build3","0.23.14-2build4","0.23.14-2build5"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.17-1build1","0.24.3-1","0.24.4-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.24.6-1build3","0.24.12-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.24.4-1","0.24.6-1","0.24.6-1build1","0.24.6-1build2","0.24.6-1build3"]}],"products":[{"vendor":"musicplayerdaemon","product":"mpd"}],"references":[{"url":"https://mstreet97.github.io/security-research/opensource/vulnerability-disclosure/cybersecurity/cve/2026/05/25/Four_Bugs_Reachable_nc.html","tags":["technical-description","exploit","evidence","report"]},{"url":"https://www.musicpd.org/news/2026/05/mpd-0-24-11-released/","tags":["release-notes","patch","fix","report"]},{"url":"https://raw.githubusercontent.com/MusicPlayerDaemon/MPD/v0.24.11/NEWS","tags":["release-notes","advisory","report"]},{"url":"https://github.com/MusicPlayerDaemon/MPD/releases/tag/v0.24.11","tags":["release-notes","advisory","report"]},{"url":"https://github.com/MusicPlayerDaemon/MPD/issues/2485","tags":["issue-tracking","report"]},{"url":"https://github.com/MusicPlayerDaemon/MPD/commit/59911028c020f84bc2e669da6a1ef88121301274","tags":["patch","fix","report"]},{"url":"https://www.vulncheck.com/advisories/music-player-daemon-stack-buffer-overflow-via-pcm-unpack-24be","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49127","tags":["advisory"]},{"url":"https://www.musicpd.org/news/2026/05/mpd-0-24-11-released"},{"url":"https://github.com/advisories/GHSA-p9r5-qpp4-rjg3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49127.json","tags":["advisory"]},{"url":"https://github.com/MusicPlayerDaemon/MPD","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-49127","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-49127","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-49127","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-49127","title":"Music Player Daemon \u003c 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.","status":"published","published":"2026-05-28T18:59:13.786Z","modified":"2026-11-08T14:04:42.01Z","cvss":[{"version":"4.0","score":8.8,"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","level":"high","assessor":"cna"},{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-193"],"updated_at":"2026-11-08T15:43:33.322657Z"}],"euvd":[{"id":"EUVD-2026-33000","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.","status":"published","published":"2026-05-28T18:59:13Z","modified":"2026-11-08T14:04:42Z","cvss":[{"version":"4.0","score":8.8,"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","level":"high"}],"updated_at":"2026-11-08T15:13:08.252361Z"}],"ghsa":[{"id":"GHSA-p9r5-qpp4-rjg3","title":"Music Player Daemon (MPD) before version 0.24.11 contains a stack buffer overflow 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.","status":"published","published":"2026-05-28T21:32:04Z","modified":"2026-05-29T00:38:32Z","cvss":[{"version":"4.0","score":8.8,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T15:08:22.24664Z"}],"nvd":[{"id":"CVE-2026-49127","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.","status":"published","published":"2026-05-28T20:16:26.387Z","modified":"2026-10-26T13:10:00.14Z","cvss":[{"version":"4.0","score":8.8,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:12:21.244426Z"}],"osv":[{"id":"CVE-2026-49127","title":"Music Player Daemon \u003c 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.","status":"published","published":"2026-05-28T18:59:13.786Z","modified":"2026-11-11T13:25:15.785507925Z","cvss":[{"version":"4.0","score":8.8,"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","level":"high"}],"cwes":["CWE-193"],"updated_at":"2026-11-09T03:16:24.800471Z"},{"id":"DEBIAN-CVE-2026-49127","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.","status":"published","published":"2026-05-28T20:16:26.387Z","modified":"2026-10-27T10:01:42.013680372Z","cvss":[{"version":"4.0","score":8.8,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"UBUNTU-CVE-2026-49127","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.","status":"published","published":"2026-05-28T20:16:00Z","modified":"2026-10-17T13:00:24.72028406Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"},{"version":"4.0","score":8.8,"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","level":"high"}],"updated_at":"2026-11-02T16:56:33.391918Z"}]}}