CVE-2020-19189

Publication date 22 August 2023

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ncurses	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Fixed 6.1-1ubuntu1.18.04.1+esm1 Ubuntu Pro
	16.04 LTS xenial	Fixed 6.0+20160213-1ubuntu1+esm4 Ubuntu Pro
	14.04 LTS trusty	Fixed 5.9+20140118-1ubuntu1+esm4 Ubuntu Pro

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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

References

Related Ubuntu Security Notices (USN)

USN-6451-1
ncurses vulnerability
24 October 2023