CVE-2022-0856

Publication date 10 March 2022

Last updated 8 January 2026

Ubuntu priority

Cvss 3 Severity Score

Description

libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of Service

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libcaca	25.10 questing	Fixed 0.99.beta20-5ubuntu0.25.10.1
	25.04 plucky	Fixed 0.99.beta20-5ubuntu0.25.04.1
	24.10 oracular	Ignored end of life, was needs-triage
	24.04 LTS noble	Fixed 0.99.beta20-4ubuntu0.1
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 0.99.beta19-2.2ubuntu4.1
	21.10 impish	Ignored end of life
	20.04 LTS focal	Fixed 0.99.beta19-2.1ubuntu1.20.04.2+esm1
	18.04 LTS bionic	Fixed 0.99.beta19-2ubuntu0.18.04.3+esm1
	16.04 LTS xenial	Fixed 0.99.beta19-2ubuntu0.16.04.2+esm2
	14.04 LTS trusty	Fixed 0.99.beta18-1ubuntu5.1+esm3

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro 30-day free trial

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libcaca	Upstream: 3b3a901

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H