CVE-2021-42260

Publication date 11 October 2021

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

TinyXML through 2.6.2 has an infinite loop in TiXmlParsingData::Stamp in tinyxmlparser.cpp via the TIXML_UTF_LEAD_0 case. It can be triggered by a crafted XML message and leads to a denial of service.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tinyxml	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Not affected
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.04 LTS focal	Fixed 2.6.2-4+deb10u1build0.20.04.1
	18.04 LTS bionic	Fixed 2.6.2-4ubuntu0.18.04.1~esm1
	16.04 LTS xenial	Fixed 2.6.2-3ubuntu0.1~esm1
	14.04 LTS trusty	Ignored end of standard support

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Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-6542-1
TinyXML vulnerability
7 December 2023