MEDIUM 6.9 NVD
CVE-2026-112007
Schism Tracker through 20260524 contains a heap out-of-bounds write vulnerability in fmt_ult_load_song() in fmt/ult.c that fails to clamp the one-byte sample co
Schism Tracker through 20260524 contains a heap out-of-bounds write vulnerability in fmt_ult_load_song() in fmt/ult.c that fails to clamp the one-byte sample count to MAX_SAMPLES. Attackers can supply a crafted .ult module that overwrites the instruments pointer array, causing csf_destroy() to free attacker-chosen pointers and crash the application.
References
- https://github.com/schismtracker/schismtracker
- https://github.com/schismtracker/schismtracker/blob/74215ae300b555928332e03152dfcdc898f96c
- https://hackmd.io/@haindpwn/schismtracker-ult-sample-count-oob-write
- https://www.vulncheck.com/advisories/schism-tracker-through-20260524-heap-out-of-bounds-wr
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-10-18 via NVD.
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