What is CVE-2020-21606?

CVE-2020-21606 is a medium-severity vulnerability in Struktur Libde265, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-09-16.

How severe is CVE-2020-21606?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-21606 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Struktur Libde265

CVE-2020-21606

libde265 v1.0.4 contains a heap buffer overflow fault in the put_epel_16_fallback function, which can be exploited via a crafted a file.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Struktur Libde265 — versions 1.0.4
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-21606

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
cve@mitre.org (vendor-advisory)

Frequently asked questions

What is CVE-2020-21606?: CVE-2020-21606 is a medium-severity vulnerability in Struktur Libde265, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-09-16.
How severe is CVE-2020-21606?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-21606 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.