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cve[email protected]CVE-2022-40303
HistoryNov 23, 2022 - 12:15 a.m.

CVE-2022-40303

2022-11-2300:15:00
CWE-190
[email protected]
web.nvd.nist.gov
225
8
cve-2022-40303
libxml2
overflow
segmentation fault
xml_parse_huge
nvd

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

8.4 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

71.3%

JSON

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.

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Attack Complexity

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Privileges Required

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User Interaction

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Scope

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Confidentiality Impact

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Integrity Impact

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CVSS2

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NETWORK

Access Complexity

LOW

Authentication

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Confidentiality Impact

NONE

Integrity Impact

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Availability Impact

PARTIAL

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

0.003 Low

EPSS

Percentile

71.3%

JSON
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