CVE-2024-45491

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).

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/libexpat/libexpat/issues/888	Issue Tracking
https://github.com/libexpat/libexpat/pull/891	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*

History

04 Sep 2024, 14:28

Type	Values Removed	Values Added
First Time		Libexpat Project libexpat Libexpat Project
CVSS	v2 : ~~unknown~~ v3 : ~~7.3~~	v2 : unknown v3 : 9.8
CPE		cpe:2.3:a:libexpat_project:libexpat::::::::
References	~~() https://github.com/libexpat/libexpat/issues/888 -~~	() https://github.com/libexpat/libexpat/issues/888 - Issue Tracking
References	~~() https://github.com/libexpat/libexpat/pull/891 -~~	() https://github.com/libexpat/libexpat/pull/891 - Patch

30 Aug 2024, 14:35

Type	Values Removed	Values Added
Summary		(es) Se descubrió un problema en libexpat anterior a 2.6.3. dtdCopy en xmlparse.c puede tener un desbordamiento de entero para nDefaultAtts en plataformas de 32 bits (donde UINT_MAX es igual a SIZE_MAX).
CWE		CWE-190
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.3

30 Aug 2024, 03:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-08-30 03:15

Updated : 2024-09-04 14:28

NVD link : CVE-2024-45491

Mitre link : CVE-2024-45491

CVE.ORG link : CVE-2024-45491

JSON object : View

Products Affected

libexpat_project

libexpat

CWE

CWE-190

Integer Overflow or Wraparound

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