CVE-2023-52425

HIGH

libexpat < 2.5.0 - Denial of Service via Large Token Reparsing

Title source: llm
STIX 2.1

Description

libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.

Scores

CVSS v3 7.5
EPSS 0.0181
EPSS Percentile 75.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (1)
libexpat_project/libexpat < 2.5.0
Published Feb 04, 2024
Tracked Since Feb 18, 2026