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CVE-2023-29469

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).

Published

2023-04-24T21:15:09.230

Last Modified

2025-02-04T21:15:23.447

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses
  • Type: Primary
    CWE-415
  • Type: Secondary
    CWE-415
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application xmlsoft libxml2 < 2.10.4 Yes
Operating System debian debian_linux 10.0 Yes
References