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CVE-2024-45491
Component Overview
Vulnerability Overview
Name
CVE-2024-45491
Source
NVD (
link
)
Debian (
link
)
Description
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
CWEs
CWE-190
CWE-190
Published Date
Aug 30, 2024
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://github.com/libexpat/libexpat/issues/888
Issue Tracking
https://github.com/libexpat/libexpat/pull/891
Patch
Analysis
#
Affected Component
Analysis
expat
Patched
Vulnerability Ratings
#
9.8
CVSSv31
7.3
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
expat
buildroot
2025.02.x
2.8.1
Not Affected
expat
buildroot
master
2.8.1
Not Affected
expat
openwrt
master
2.8.1-r1
Not Affected
expat
openwrt
openwrt-25.12
2.8.1-r1
Not Affected
expat
yocto
master
2.8.1
Not Affected
expat
yocto
scarthgap
2.6.4
Not Affected
Resolved with patches
#
expat (yocto:kirkstone)
#
Title
Author
Resolve
1
lib: Detect integer overflow in dtdCopy
Sebastian Pipping <sebastian@pipping.org>
CVE-2024-45491