CVE-2021-30499

Publication date 27 May 2021

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A flaw was found in libcaca. A buffer overflow of export.c in function export_troff might lead to memory corruption and other potential consequences.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libcaca	22.04 LTS jammy	Fixed 0.99.beta19-2.2ubuntu3
	21.10 impish	Fixed 0.99.beta19-2.2ubuntu2.1
	21.04 hirsute	Fixed 0.99.beta19-2.2ubuntu1.1
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 0.99.beta19-2.1ubuntu1.20.04.2
	18.04 LTS bionic	Fixed 0.99.beta19-2ubuntu0.18.04.3
	16.04 LTS xenial	Fixed 0.99.beta19-2ubuntu0.16.04.2+esm1
	14.04 LTS trusty	Fixed 0.99.beta18-1ubuntu5.1+esm2

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Patch details

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

Package	Patch details
libcaca	Upstream: ab04483

Severity score breakdown

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