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Alpine Linux Development TeamALPINE:CVE-2022-40303HistoryNov 23, 2022 - 12:15 a.m.
CVE-2022-40303
2022-11-2300:15:11
Alpine Linux Development Team
security.alpinelinux.org
31
libxml2
xml parsing
integer overflow
segmentation fault
unix
CVSS3
7.5
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
AI Score
7.3
Confidence
High
EPSS
0.005
Percentile
76.5%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Alpine | edge-main | noarch | libxml2 | < 2.10.3-r0 | UNKNOWN |
| Alpine | 3.13-main | noarch | libxml2 | < 2.9.14-r2 | UNKNOWN |
| Alpine | 3.14-main | noarch | libxml2 | < 2.9.14-r2 | UNKNOWN |
| Alpine | 3.15-main | noarch | libxml2 | < 2.9.14-r2 | UNKNOWN |
| Alpine | 3.16-main | noarch | libxml2 | < 2.9.14-r2 | UNKNOWN |
| Alpine | 3.17-main | noarch | libxml2 | < 2.10.3-r0 | UNKNOWN |
| Alpine | 3.18-main | noarch | libxml2 | < 2.10.3-r0 | UNKNOWN |
| Alpine | 3.19-main | noarch | libxml2 | < 2.10.3-r0 | UNKNOWN |
| Alpine | 3.20-main | noarch | libxml2 | < 2.10.3-r0 | UNKNOWN |
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CVSS3
7.5
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
AI Score
7.3
Confidence
High
EPSS
0.005
Percentile
76.5%
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