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CVE-2023-29469

libxml2: Hashing of empty dict strings isn't deterministic

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Severity

Moderate

Red Hat Product Security

5.9

CVSS 3.1

Review impact separately from score.

Published · April 11, 2023

Updated · October 15, 2026

Description

A flaw was found in libxml2. This issue occurs when hashing empty strings which aren't null-terminated, xmlDictComputeFastKey could produce inconsistent results, which may lead to various logic or memory errors, including double free errors.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-20 · Improper Input Validation