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Debian Security Bug TrackerDEBIANCVE:CVE-2022-40303HistoryNov 23, 2022 - 12:15 a.m.
CVE-2022-40303
2022-11-2300:15:11
Debian Security Bug Tracker
security-tracker.debian.org
22
libxml2
multi-gigabyte
xml document
integer overflow
segmentation fault
unix
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
0.005 Low
EPSS
Percentile
75.8%
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 |
|---|---|---|---|---|---|
| Debian | 12 | all | libxml2 | < 2.9.14+dfsg-1.1 | libxml2_2.9.14+dfsg-1.1_all.deb |
| Debian | 11 | all | libxml2 | < 2.9.10+dfsg-6.7+deb11u3 | libxml2_2.9.10+dfsg-6.7+deb11u3_all.deb |
| Debian | 999 | all | libxml2 | < 2.9.14+dfsg-1.1 | libxml2_2.9.14+dfsg-1.1_all.deb |
| Debian | 13 | all | libxml2 | < 2.9.14+dfsg-1.1 | libxml2_2.9.14+dfsg-1.1_all.deb |
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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
0.005 Low
EPSS
Percentile
75.8%
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