CVE-2021-31598

2021-04-2400:00:00

ubuntu.com

cve-2021-31598

libezxml

memory handling

craft xml

buffer overflow

debian

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

45.1%

JSON

An issue was discovered in libezxml.a in ezXML 0.8.6. The function
ezxml_decode() performs incorrect memory handling while parsing crafted XML
files, leading to a heap-based buffer overflow.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchmapcache< anyUNKNOWN
ubuntu20.04noarchmapcache< anyUNKNOWN
ubuntu22.04noarchmapcache< anyUNKNOWN
ubuntu24.04noarchmapcache< anyUNKNOWN
ubuntu16.04noarchmapcache< anyUNKNOWN
ubuntu18.04noarchnetcdf< anyUNKNOWN
ubuntu20.04noarchnetcdf< anyUNKNOWN
ubuntu22.04noarchnetcdf< anyUNKNOWN
ubuntu24.04noarchnetcdf< anyUNKNOWN
ubuntu14.04noarchnetcdf< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	mapcache	< any	UNKNOWN
ubuntu	20.04	noarch	mapcache	< any	UNKNOWN
ubuntu	22.04	noarch	mapcache	< any	UNKNOWN
ubuntu	24.04	noarch	mapcache	< any	UNKNOWN
ubuntu	16.04	noarch	mapcache	< any	UNKNOWN
ubuntu	18.04	noarch	netcdf	< any	UNKNOWN
ubuntu	20.04	noarch	netcdf	< any	UNKNOWN
ubuntu	22.04	noarch	netcdf	< any	UNKNOWN
ubuntu	24.04	noarch	netcdf	< any	UNKNOWN
ubuntu	14.04	noarch	netcdf	< any	UNKNOWN