7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
46.8%
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer
overflow exists for m_groupSize.
Author | Note |
---|---|
sbeattie | paraview uses system expat xotcl uses system expat poco uses system expat gdcm uses system expat audacity uses system expat simgear uses system expat coin3 uses system expat as of 4.0.0~CMake~6f54f1602475+ds1-1 sitecopy uses system expat since 1:0.16.0-1 (dapper!) |
leosilva | python uses system expat |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | astropy | < any | UNKNOWN |
ubuntu | 20.04 | noarch | astropy | < any | UNKNOWN |
ubuntu | 22.04 | noarch | astropy | < any | UNKNOWN |
ubuntu | 23.10 | noarch | astropy | < any | UNKNOWN |
ubuntu | 24.04 | noarch | astropy | < any | UNKNOWN |
ubuntu | 18.04 | noarch | audacity | < any | UNKNOWN |
ubuntu | 20.04 | noarch | audacity | < any | UNKNOWN |
ubuntu | 22.04 | noarch | audacity | < any | UNKNOWN |
ubuntu | 23.10 | noarch | audacity | < any | UNKNOWN |
ubuntu | 24.04 | noarch | audacity | < any | UNKNOWN |
github.com/libexpat/libexpat/issues/532
github.com/libexpat/libexpat/pull/538
launchpad.net/bugs/cve/CVE-2021-46143
nvd.nist.gov/vuln/detail/CVE-2021-46143
security-tracker.debian.org/tracker/CVE-2021-46143
ubuntu.com/security/notices/USN-5288-1
ubuntu.com/security/notices/USN-5455-1
www.cve.org/CVERecord?id=CVE-2021-46143
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
46.8%