What is CVE-2021-32419?

CVE-2021-32419 is a medium-severity vulnerability in Schismtracker Schism Tracker, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2023-02-17.

How severe is CVE-2021-32419?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Schismtracker Schism Tracker

CVE-2021-32419

An issue in Schism Tracker v20200412 fixed in v.20200412 allows attacker to obtain sensitive information via the fmt_mtm_load_song function in fmt/mtm.c.

Vulnerability class: Buffer Overflow

Published 2023-02-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Schismtracker Schism Tracker

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/schismtracker/schismtracker/issues/249 (Exploit, Issue Tracking, Vendor Advisory)
github.com/schismtracker/schismtracker/commit/1e2cc389a2a058fd13d99460c11115a6f… (Patch)

Frequently asked questions

What is CVE-2021-32419?: CVE-2021-32419 is a medium-severity vulnerability in Schismtracker Schism Tracker, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2023-02-17.
How severe is CVE-2021-32419?: Medium severity. CVSS v3 base score is 5.3 out of 10.