CVE-2026-110660: Out-of-bounds Read (CVSS 3.3)

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.

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CVSS v3.1 Score

3.3

LOW

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

EPSS — Exploit Prediction

0.0017

Probability of exploitation

0.06%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

References

Other References

https://github.com/vgmstream/vgmstream https://github.com/vgmstream/vgmstream/blob/71e2361042531fe767fb98300cf8c1ee95e539a0/src/coding/libs/g7221_lib.c#L838 https://hackmd.io/@haind-pwn/vgmstream-g7221-bitreader-oob-read https://www.vulncheck.com/advisories/vgmstream-through-r2117-stack-out-of-bounds-read-via-g-722.1-siren14-decoder

Frequently Asked Questions

What is CVE-2026-110660? +

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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2026-110660? +

CVE-2026-110660 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0017, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-110660? +

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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