CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
87.8%
The libxml2 library is a development toolbox providing the implementation of various XML standards.
Security Fix(es):
libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3516)
libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3517)
libxml2: Use-after-free in xmlXIncludeDoProcess() in xinclude.c (CVE-2021-3518)
libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode (CVE-2021-3537)
libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms (CVE-2021-3541)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
almalinux | 8 | x86_64 | libxml2-devel | < 2.9.7-9.el8_4.2 | libxml2-devel-2.9.7-9.el8_4.2.x86_64.rpm |
almalinux | 8 | i686 | libxml2-devel | < 2.9.7-9.el8_4.2 | libxml2-devel-2.9.7-9.el8_4.2.i686.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
87.8%