CVE-2024-45491 - Integer overflow

Significant

Remediate Within one Month

CVE Information|Basic Analysis|Framework Mapping|Web Framework Mapping|Compliance

CVE Information

Original CVE data

Published: August 30, 2024

Updated: September 4, 2024

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).

CWE: CWE-190

CVSS v2-

CVSS v39.8

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

References

https://github.com/libexpat/libexpat/pull/891

https://github.com/libexpat/libexpat/issues/888

Affected Vendors

Libexpat Project - (1)

More vulnerabilities from Libexpat Project

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOⁿengine

Integer overflow

CVSS Scores as calculated by PRIOⁿengine

CVSS v27.5

AV:N/AC:L/AU:N/C:P/I:P/A:P

CVSS v39.8

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

MITRE CWE Top 25

Vulnerability weakness type is in the top 25 CWEs according to MITRE. View Mitre Top 25 CWEs

Exploits

No exploit code is reported to exist.

Active Exploitation

Vulnerability is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

Threat Actor Activity

No sightings of the vulnerability within threat reports.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

Compliance Impact

How the submited vulnerability affects compliance

PCI DSS v3.2.1-6.5.2 - Buffer Overflows

Web Application Security Frameworks

Applicable if the issue likely affects a web application