CVE-2026-112007
Medium
Description
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.
SeverityMedium
CVSS6.1
Exploit probability2. percentile0.1%
ProductSchism Tracker
PublishedOct 18, 2026
First seenOct 18, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schismtracker Schism Tracker | v ≤ 20260524 | — |
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