Vulnerability · Published Oct 14, 2026 · Assigned by VulnCheck
CVE-2026-110660vgmstream through r2117 Stack Out-of-Bounds Read via G.722.1/Siren14 Decoder
Low 3.3
In plain English
A low-severity out-of-bounds read in vgmstream from vgmstream. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 93.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
vgmstream through r2117 contains a stack out-of-bounds read vulnerability in the G.722.1/Siren14 decoder in g7221_lib.c, whose bit reader refills without checking the data_u32 array end. Attackers can supply crafted .s14 or .sss files that drive decode_vector_quantized_mlt_indices() past the stack buffer during format detection, crashing the application.
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
References
- https://hackmd.io/@haind-pwn/vgmstream-g7221-bitreader-oob-read technical-description, exploit
- https://github.com/vgmstream/vgmstream/blob/71e2361042531fe767fb98300cf8c1ee95e539a0/src/coding/libs/g7221_lib.c#L838 technical-description
- https://github.com/vgmstream/vgmstream product
- VulnCheck Advisory: vgmstream through r2117 Stack Out-of-Bounds Read via G.722.1/Siren14 Decoder third-party-advisory