CVE-2020-21048

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Un problema en el componente dither.c de libsixel versiones anteriores a v1.8.4, permite a atacantes causar una denegación de servicio (DOS) por medio de un archivo PNG diseñado

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-13 CVE Reserved
2021-09-14 CVE Published
2024-04-20 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (5)

URL	Tag	Source
https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad	Broken Link
https://github.com/saitoha/libsixel/blob/master/ChangeLog	Release Notes
https://github.com/saitoha/libsixel/releases/tag/v1.8.4	Release Notes

URL	Date	SRC
https://github.com/saitoha/libsixel/issues/73	2024-08-04

URL	Date	SRC
https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037	2021-09-24

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libsixel Project Search vendor "Libsixel Project"		Libsixel Search vendor "Libsixel Project" for product "Libsixel"				< 1.8.4 Search vendor "Libsixel Project" for product "Libsixel" and version " < 1.8.4"		-		Affected