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Debian Security Bug TrackerDEBIANCVE:CVE-2023-29469HistoryApr 24, 2023 - 9:15 p.m.
CVE-2023-29469
2023-04-2421:15:09
Debian Security Bug Tracker
security-tracker.debian.org
34
cve-2023-29469
memory errors
unix
xml parsing
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
46.5%
An issue was discovered in libxml2 before 2.10.4. When hashing empty dict strings in a crafted XML document, xmlDictComputeFastKey in dict.c can produce non-deterministic values, leading to various logic and memory errors, such as a double free. This behavior occurs because there is an attempt to use the first byte of an empty string, and any value is possible (not solely the ‘\0’ value).
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | libxml2 | < 2.9.14+dfsg-1.2 | libxml2_2.9.14+dfsg-1.2_all.deb |
| Debian | 11 | all | libxml2 | < 2.9.10+dfsg-6.7+deb11u4 | libxml2_2.9.10+dfsg-6.7+deb11u4_all.deb |
| Debian | 999 | all | libxml2 | < 2.9.14+dfsg-1.2 | libxml2_2.9.14+dfsg-1.2_all.deb |
| Debian | 13 | all | libxml2 | < 2.9.14+dfsg-1.2 | libxml2_2.9.14+dfsg-1.2_all.deb |
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6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
46.5%
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