CVE-2024-45492: Integer Overflow

Published Aug 30, 2024
·
Updated

An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for mgroupSize on 32-bit platforms (where UINTMAX equals SIZEMAX).

Other sources

libexpat could allow a local attacker to execute arbitrary code on the system, caused by an integer overflow in the nextScaffoldPart function in xmlparse.c. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.

IBM

Affected Software

8 affected componentsFixes available
Libexpat Project Libexpat<2.6.3
debian/expat<=2.2.10-2+deb11u5
2.2.10-2+deb11u72.5.0-1+deb12u12.7.1-1
IBM Concert Software<=1.0.0, 1.0.1, 1.0.2, 1.0.2.1
Microsoft cbl2 expat 2.6.2-2
Microsoft cbl2 expat 2.6.2-2
Microsoft azl3 expat 2.6.2-1
Microsoft azl3 expat 2.6.3-1
Microsoft cbl2 expat 2.6.3-1

Event History

Aug 30, 2024
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·03:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·03:20 AM
DescriptionSeverityAffected Software
Sep 13, 2024
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
Updated
via Microsoft·07:00 AM
DescriptionSeverity
Sep 20, 2024
Data Sourced
via Ubuntu·01:29 PM
RemedyDescriptionSeverityAffected Software
Nov 19, 2024
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Jan 23, 2025
News Published
via The Register·01:06 AM
News Published
via The Register·01:11 AM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2024-45492?

CVE-2024-45492 is classified with a severity that indicates a significant risk due to the integer overflow vulnerability in libexpat.

2

How do I fix CVE-2024-45492?

To fix CVE-2024-45492, upgrade libexpat to version 2.6.3 or later.

3

Which versions of libexpat are affected by CVE-2024-45492?

CVE-2024-45492 affects all versions of libexpat prior to 2.6.3.

4

Is CVE-2024-45492 exploited in the wild?

As of now, there is no public information available indicating that CVE-2024-45492 is actively being exploited in the wild.

5

What types of systems are vulnerable to CVE-2024-45492?

CVE-2024-45492 primarily affects 32-bit platforms due to the integer overflow issue in libexpat.

Contact

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