CVE-2019-20019

Publication date 27 December 2019

Last updated 5 January 2026

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.

Read the notes from the security team

Why is this CVE low priority?

excessive memory allocation without a crash

Learn more about Ubuntu priority

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libmatio	25.10 questing	Vulnerable, fix deferred
	25.04 plucky	Ignored end of life, was deferred
	24.10 oracular	Ignored end of life, was needed
	24.04 LTS noble	Vulnerable, fix deferred
	23.10 mantic	Ignored end of life, was needed
	23.04 lunar	Ignored end of life, was needed
	22.10 kinetic	Ignored end of life, was needed
	22.04 LTS jammy	Vulnerable, fix deferred
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Vulnerable, fix deferred
	19.10 eoan	Ignored end of life
	19.04 disco	Ignored end of life
	18.04 LTS bionic	Vulnerable, fix deferred
	16.04 LTS xenial	Vulnerable, fix deferred
	14.04 LTS trusty	Needs evaluation

Notes

ebarretto

No available fix as of 2020-08-19

hlibk

No fix available as of 2026-01-05. Upstream issue report has no traction, and is closed due to no crash being reproducible. Therefore, this has been deferred indefinitely.

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