High severity · published May 18, 2021
CVE-2021-3518
There's a flaw in libxml2 in versions before 2.9.11
8.8
CVSS
21.9%
EPSS
No
On KEV
Description
There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)21.9% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
libxml2 ·
libxml2 2.9.11 · source: vendor, NVD
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
CD
Clustered Data Ontap · Netapp
All versions, or not specified · source: NVD
CD
Clustered Data Ontap Antivirus Connector · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
EM
Enterprise Manager Base Platform · Oracle
13.4.0.0; 13.5.0.0 · source: NVD
FE
Fedora · Fedoraproject
33; 34 · source: NVD
HH
Hci H410c Firmware · Netapp
All versions, or not specified · source: NVD
JC
Jboss Core Services · Redhat
All versions, or not specified · source: NVD
Affected product
LI
libxml2
More from libxml2
8.6
CVE-2021-3517
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11
7.8
CVE-2021-3516
There's a flaw in libxml2's xmllint in versions before 2.9.11
6.5
CVE-2021-3541
A flaw was found in libxml2
6.1
CVE-2016-3709
Possible cross-site scripting vulnerability in libxml after commit 960f0e2
5.9
CVE-2021-3537
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference