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redhatRedHatRHSA-2024:0413
HistoryJan 24, 2024 - 2:40 p.m.

(RHSA-2024:0413) Moderate: libxml2 security update

2024-01-2414:40:23
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6
libxml2
security update
integer overflows
dict corruption
null dereference
buffer overflow
xml standards
development toolbox
cve-2022-40303
cve-2022-40304
cve-2023-28484
cve-2023-29469
cve-2023-39615
cvss score

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

7.9 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.003 Low

EPSS

Percentile

68.4%

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)

  • libxml2: NULL dereference in xmlSchemaFixupComplexType (CVE-2023-28484)

  • libxml2: Hashing of empty dict strings isn’t deterministic (CVE-2023-29469)

  • libxml2: crafted xml can cause global buffer overflow (CVE-2023-39615)

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.

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

7.9 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.003 Low

EPSS

Percentile

68.4%