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redhatRedHatRHSA-2023:0338
HistoryJan 23, 2023 - 2:30 p.m.

(RHSA-2023:0338) Moderate: libxml2 security update

2023-01-2314:30:36
access.redhat.com
63
libxml2
security update
integer overflows
dict corruption
xml standards
cve-2022-40303
cve-2022-40304

CVSS3

7.8

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

EPSS

0.005

Percentile

76.5%

The libxml2 library is a development toolbox providing the implementation of various XML standards.

Security Fix(es):

  • libxml2: integer overflows with XML_PARSE_HUGE (CVE-2022-40303)

  • libxml2: dict corruption caused by entity reference cycles (CVE-2022-40304)

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.

CVSS3

7.8

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

EPSS

0.005

Percentile

76.5%