CVE-2024-45490

HIGH

libexpat < 2.6.3 - Integer Overflow via Negative Length in XML_ParseBuffer

Title source: llm
STIX 2.1

Description

An issue was discovered in libexpat before 2.6.3. xmlparse.c does not reject a negative length for XML_ParseBuffer.

References (11)

Core 11

Scores

CVSS v3 7.5
EPSS 0.0169
EPSS Percentile 74.0%
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 total

Details

CWE
CWE-190 CWE-611
Status published
Products (1)
libexpat_project/libexpat < 2.6.3
Published Aug 30, 2024
Tracked Since Feb 18, 2026