Cyber Posture

CVE-2026-49127

HighPublic PoC

Published: 28 May 2026

Published
28 May 2026
Modified
29 May 2026
KEV Added
Patch
CVSS Score 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS Score 0.0006 19.9th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-49127 is a high-severity Off-by-one Error (CWE-193) vulnerability in Github (inferred from references). Its CVSS base score is 8.6 (High).

Operationally, ranked at the 19.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Vulnerability

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…

more

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.

CWE(s)

EU & UK References

Affected Products

Github
inferred from references and description; NVD did not file a CPE for this CVE

Threat picture

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Defense & controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References