CVE-2024-45491

2024-09-0300:00:00

ubuntu.com

vulnerability

integer overflow

libexpat

xmlparse.c

32-bit platforms

system expat

apache2

apr-util

cmake

ghostscript

firefox

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.6

Confidence

High

EPSS

0.001

Percentile

39.7%

JSON

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).

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1080150>

Notes

Author	Note
sbeattie	paraview uses system expat xotcl uses system expat poco uses system expat gdcm uses system expat audacity uses system expat simgear uses system expat coin3 uses system expat as of 4.0.0~CMake~6f54f1602475+ds1-1 sitecopy uses system expat since 1:0.16.0-1 (dapper!) insighttoolkit uses system expat as of 4.12.1-dfsg1
mdeslaur	apache2 uses system expat apr-util uses system expat cmake uses system expat ghostscript uses system expat firefox uses system expat

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchayttm< anyUNKNOWN
ubuntu16.04noarchcableswig< anyUNKNOWN
ubuntu18.04noarchcadaver< anyUNKNOWN
ubuntu20.04noarchcadaver< anyUNKNOWN
ubuntu22.04noarchcadaver< anyUNKNOWN
ubuntu24.04noarchcadaver< anyUNKNOWN
ubuntu16.04noarchcadaver< anyUNKNOWN
ubuntu18.04noarchcoin3< anyUNKNOWN
ubuntu14.04noarchcoin3< anyUNKNOWN
ubuntu16.04noarchcoin3< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	16.04	noarch	ayttm	< any	UNKNOWN
ubuntu	16.04	noarch	cableswig	< any	UNKNOWN
ubuntu	18.04	noarch	cadaver	< any	UNKNOWN
ubuntu	20.04	noarch	cadaver	< any	UNKNOWN
ubuntu	22.04	noarch	cadaver	< any	UNKNOWN
ubuntu	24.04	noarch	cadaver	< any	UNKNOWN
ubuntu	16.04	noarch	cadaver	< any	UNKNOWN
ubuntu	18.04	noarch	coin3	< any	UNKNOWN
ubuntu	14.04	noarch	coin3	< any	UNKNOWN
ubuntu	16.04	noarch	coin3	< any	UNKNOWN