What is CVE-2021-3382?

CVE-2021-3382 is a high-severity vulnerability in Gitea, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-02-05.

How severe is CVE-2021-3382?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Gitea

CVE-2021-3382

Stack buffer overflow vulnerability in gitea 1.9.0 through 1.13.1 allows remote attackers to cause a denial of service (crash) via vectors related to a file path.

Vulnerability class: Buffer Overflow

Published 2021-02-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Gitea

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/go-gitea/gitea/pull/14390 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-3382?: CVE-2021-3382 is a high-severity vulnerability in Gitea, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-02-05.
How severe is CVE-2021-3382?: High severity. CVSS v3 base score is 7.5 out of 10.