CVE-2020-21597

6.5 mediumEPSS 1.5%

Medium (6.5). EPSS 1.5% chance of exploitation in the next 30 days.

libde265 v1.0.4 contains a heap buffer overflow in the mc_chroma function, which can be exploited via a crafted a file.

Severity

6.5 medium

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

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2021-09-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19