Register for the AI for Security Summit: Join Figma, Perplexity & Wiz

CVE-2021-0555
NixOS vulnerability analysis and mitigation

Overview

In RenderStruct of protostream_objectsource.cc, there is a possible crash due to a missing null check that could lead to remote denial of service. The vulnerability affects Android 11 and was disclosed in June 2021 (NVD).

Technical details

The vulnerability exists in the RenderStruct function of protostream_objectsource.cc and is caused by a missing null pointer check. It has been assigned a CVSS v3.1 base score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. The vulnerability is classified as a NULL Pointer Dereference (CWE-476) (NVD).

Impact

If exploited, this vulnerability could lead to remote denial of service with no additional execution privileges needed. User interaction is not required for exploitation (NVD).

Exploitability

The vulnerability can be exploited remotely and requires no user interaction or special privileges for exploitation. The attack complexity is considered low, making it relatively straightforward to exploit (NVD).

Mitigation and workarounds

The vulnerability was addressed in the June 2021 Android security updates. Users should ensure their Android devices are updated with the latest security patches (Threatpost).

Additional resources


SourceThis report was generated using AI

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-91782LOW1.9
  • NixOS logoNixOS
  • binutils
NoYesSep 15, 2026
CVE-2026-91781LOW1.9
  • NixOS logoNixOS
  • binutils
NoYesSep 15, 2026
CVE-2026-91780LOW1.9
  • NixOS logoNixOS
  • binutils
NoNoSep 15, 2026
CVE-2026-91779LOW1.9
  • NixOS logoNixOS
  • binutils
NoNoSep 15, 2026
CVE-2026-90831LOW1.9
  • NixOS logoNixOS
  • seal-binutils
NoYesSep 14, 2026

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.

Request assessment

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