{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-49127", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-05-27T17:40:12.738Z", "datePublished": "2026-05-28T18:59:13.786Z", "dateUpdated": "2026-07-28T01:49:33.401Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-28T01:49:33.401Z" }, "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. 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." } ], "tags": [ "x_open-source" ], "datePublic": "2026-05-15T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-193", "description": "Off-by-one Error", "type": "CWE" } ] } ], "affected": [ { "defaultStatus": "affected", "packageURL": "pkg:github/MusicPlayerDaemon/MPD", "vendor": "MusicPlayerDaemon", "product": "MPD", "repo": "https://github.com/MusicPlayerDaemon/MPD", "versions": [ { "status": "affected", "version": "0", "versionType": "semver", "lessThan": "0.24.11" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:musicpd:music_player_daemon:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.24.11" } ] } ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "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" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H" } } ], "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" ] }, { "url": "https://www.musicpd.org/news/2026/05/mpd-0-24-11-released/", "tags": [ "release-notes", "patch" ] }, { "url": "https://raw.githubusercontent.com/MusicPlayerDaemon/MPD/v0.24.11/NEWS", "tags": [ "release-notes" ] }, { "url": "https://github.com/MusicPlayerDaemon/MPD/releases/tag/v0.24.11", "tags": [ "release-notes" ] }, { "url": "https://github.com/MusicPlayerDaemon/MPD/issues/2485", "tags": [ "issue-tracking" ] }, { "url": "https://github.com/MusicPlayerDaemon/MPD/commit/59911028c020f84bc2e669da6a1ef88121301274", "tags": [ "patch" ] }, { "url": "https://www.vulncheck.com/advisories/music-player-daemon-stack-buffer-overflow-via-pcm-unpack-24be", "tags": [ "third-party-advisory" ] } ], "credits": [ { "lang": "en", "value": "Matteo Strada", "type": "finder" }, { "lang": "en", "value": "Daniele Berardinelli", "type": "finder" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "vulncheck" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-29T19:14:21.889149Z", "id": "CVE-2026-49127", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-29T19:14:38.903Z" } } ] } }