Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2020-21602
CVE-2020-21602:
NixOS vulnerability analysis and mitigation
Overview
A heap buffer overflow vulnerability was discovered in libde265 version 1.0.4, specifically in the put_weighted_bipred_16_fallback function. The vulnerability can be exploited through a crafted file (NVD, Debian Advisory).
Technical details
The vulnerability is classified as a heap-based buffer overflow (CWE-122) that occurs in the put_weighted_bipred_16_fallback function. It has been assigned a CVSS v3.1 Base Score of 6.5 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (NVD).
Impact
If successfully exploited, this vulnerability could lead to denial of service conditions and potentially allow for arbitrary code execution when processing malformed media files (Debian Advisory).
Mitigation and workarounds
The vulnerability has been fixed in multiple distributions. For Debian's stable distribution (bullseye), the fix was released in version 1.0.11-0+deb11u1 (Debian Advisory). Users are recommended to upgrade their libde265 packages to the latest version.
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management