vulnerability
Arch Linux: Arbitrary code execution (CVE-2020-21599)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:N/A:P) | Sep 16, 2021 | Jul 11, 2025 | Mar 25, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Sep 16, 2021
Added
Jul 11, 2025
Modified
Mar 25, 2026
Description
libde265 v1.0.4 contains a heap buffer overflow in the de265_image::available_zscan function, which can be exploited via a crafted a file.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-21599
- https://attackerkb.com/topics/CVE-2020-21599
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-14367
- https://github.com/strukturag/libde265/issues/235
- https://lists.debian.org/debian-lts-announce/2022/12/msg00027.html
- https://www.debian.org/security/2023/dsa-5346
- CWE-787
- EUVD-EUVD-2020-14367
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.