What is CVE-2026-36189?

CVE-2026-36189 is a medium-severity vulnerability in N/a, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-05-21.

How severe is CVE-2026-36189?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in N/a

CVE-2026-36189

Buffer Overflow vulnerability in Uncrustify Project Affected v.Uncrustify_d-0.82.0-132-bcc41cbdc and Fixed in commit 68e67b9a1435a1bb173b106fedb4a4f510972bdc allows a local attacker to cause a denial of service via the check_template.cpp…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-36189?: CVE-2026-36189 is a medium-severity vulnerability in N/a, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.2/10. Published 2026-05-21.
How severe is CVE-2026-36189?: Medium severity. CVSS v3 base score is 6.2 out of 10.