What is CVE-2023-37770?

CVE-2023-37770 is a medium-severity vulnerability in Grame Faust, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-07-17.

How severe is CVE-2023-37770?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Grame Faust

CVE-2023-37770

faust commit ee39a19 was discovered to contain a stack overflow via the component boxppShared::print() at /boxes/ppbox.cpp.

Vulnerability class: Buffer Overflow

Published 2023-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Grame Faust

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/grame-cncm/faust/issues/922 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-37770?: CVE-2023-37770 is a medium-severity vulnerability in Grame Faust, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-07-17.
How severe is CVE-2023-37770?: Medium severity. CVSS v3 base score is 5.5 out of 10.