CVE-2021-3410

Publication date 23 February 2021

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A flaw was found in libcaca v0.99.beta19. A buffer overflow issue in caca_resize function in libcaca/caca/canvas.c may lead to local execution of arbitrary code in the user context.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libcaca	21.04 hirsute	Fixed 0.99.beta19-2.2ubuntu1
	20.10 groovy	Fixed 0.99.beta19-2.1ubuntu1.20.10.1
	20.04 LTS focal	Fixed 0.99.beta19-2.1ubuntu1.20.04.1
	18.04 LTS bionic	Fixed 0.99.beta19-2ubuntu0.18.04.2
	16.04 LTS xenial	Fixed 0.99.beta19-2ubuntu0.16.04.2
	14.04 LTS trusty	Fixed 0.99.beta18-1ubuntu5.1+esm1

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: 46b4ea7 Upstream: e4968ba

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H