CVE-2020-21048

Medium

6.5/10

Summary

An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.

Attack Complexity: LOW
Attack Vector: NETWORK
Integrity Impact: NONE
Scope: UNCHANGED
User Interaction: REQUIRED
Privileges Required: NONE
Confidentiality Impact: NONE
Availability Impact: HIGH

References

Advisory Timeline

Published Sep 14, 2021