Security Advisory

CVE-2023-29469

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-04-24 00:00:00

Last updated 2025-02-04 21:02:32

Assigner mitre

State PUBLISHED

Description

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).

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