CVE-2022-29458

Publication date 18 April 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

ncurses 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in tinfo/read_entry.c in the terminfo library.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ncurses	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Fixed 6.3-2ubuntu0.1
	21.10 impish	Ignored end of life
	20.04 LTS focal	Fixed 6.2-0ubuntu2.1
	18.04 LTS bionic	Fixed 6.1-1ubuntu1.18.04.1
	16.04 LTS xenial	Fixed 6.0+20160213-1ubuntu1+esm2
	14.04 LTS trusty	Fixed 5.9+20140118-1ubuntu1+esm2

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Notes

mdeslaur

DoS only

Patch details

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

Package	Patch details
ncurses	Upstream: 4c9f63c

Severity score breakdown

Parameter	Value
Base score	7.1 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H