CVE-2024-45490

7.5 HIGH
Published: August 30, 2024 Modified: May 12, 2026
View on NVD

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/libexpat/libexpat/issues/887
Source: cve@mitre.org
Issue Tracking
https://github.com/libexpat/libexpat/pull/890
Source: cve@mitre.org
Patch
http://seclists.org/fulldisclosure/2024/Dec/10
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2024/Dec/12
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2024/Dec/6
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2024/Dec/7
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2024/Dec/8
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20241018-0004/
Source: af854a3a-2127-422b-91ae-364da2661108
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-613116.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.6%
70th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-611 CWE-190

Affected Vendors

libexpat_project

Related CVEs

CVE-2026-5513 7.2
CVE-2026-1291 4.3
CVE-2026-11624 N/A
CVE-2026-9629 6.4
CVE-2026-3297 6.4