AlmaLinuxALSA-2020:4484Moderate: expat security update
7.5 High
CVSS3
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
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
Expat is a C library for parsing XML documents.
Security Fix(es):
-
expat: large number of colons in input makes parser consume high amount of resources, leading to DoS (CVE-2018-20843)
-
expat: heap-based buffer over-read via crafted XML input (CVE-2019-15903)
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.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| almalinux | 8 | i686 | expat | < 2.2.5-4.el8 | expat-2.2.5-4.el8.i686.rpm |
| almalinux | 8 | x86_64 | expat | < 2.2.5-4.el8 | expat-2.2.5-4.el8.x86_64.rpm |
| almalinux | 8 | i686 | expat-devel | < 2.2.5-4.el8 | expat-devel-2.2.5-4.el8.i686.rpm |
| almalinux | 8 | x86_64 | expat-devel | < 2.2.5-4.el8 | expat-devel-2.2.5-4.el8.x86_64.rpm |
Related
7.5 High
CVSS3
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
7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C