CVE-2026-111161: Memory Corruption (CVSS 6.1)

Description

libADLMIDI 1.6.2 through 1.6.2.1 contains an off-by-one stack out-of-bounds write vulnerability in BW_MidiSequencer that allows attackers to corrupt stack memory via crafted MIDI files. Attackers can supply a MIDI file with a note-on using status 0x9F and note 0x7F through adl_openFile() or adl_openData() to crash the hosting media player or game engine.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

References

Other References

https://github.com/Wohlstand/libADLMIDI https://github.com/Wohlstand/libADLMIDI/blob/99c5e03a5cf9b4fdf35b53efddb853c96320d50f/src/midiseq/impl/miditrack_impl.hpp#L350-L357 https://github.com/Wohlstand/libADLMIDI/blob/99c5e03a5cf9b4fdf35b53efddb853c96320d50f/src/midiseq/impl/read_smf_impl.hpp#L113 https://hackmd.io/@haind-pwn/libadlmidi-notestates-note-index-stack-oob https://www.vulncheck.com/advisories/libadlmidi-1.6.2-through-1.6.2.1-stack-out-of-bounds-write-via-bw-midisequencer-notestates https://hackmd.io/@haind-pwn/libadlmidi-notestates-note-index-stack-oob

Frequently Asked Questions

What is CVE-2026-111161? +

libADLMIDI 1.6.2 through 1.6.2.1 contains an off-by-one stack out-of-bounds write vulnerability in BW_MidiSequencer that allows attackers to corrupt stack memory via crafted MIDI files. Attackers can supply a MIDI file with a note-on using status 0x9F and note 0x7F through adl_openFile() or adl_openData() to crash the hosting media player or game engine. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2026-111161? +

CVE-2026-111161 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-111161? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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