🛡️ CVE-2020-21601 on Debian — libde265

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

Distribution advisory

This page covers CVE-2020-21601 as tracked by Debian, for the package libde265. The fix is available in version 1.0.9-1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

DEBIAN-CVE-2020-21601 is recorded against 1 package.

  • libde265 (fixed in 1.0.9-1)

Timeline and source

Published on 16 September 2021 and last revised on 5 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2020-21601 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2021-09-16
Updated 2026-08-12
Modified 2026-08-05
Fix URL N/A

Affected Packages

Software From version Fixed in
libde265 — 1.0.9-1

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