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CVE-2024-45491

Sept. 4, 2024, 2:28 p.m.

CVSS Score

9.8 / 10

Products Impacted

Vendor Product Versions
libexpat_project
  • libexpat
  • *

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).

Weaknesses

CWE-190
Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.

CWE ID: 190

Date

Published: Aug. 30, 2024, 3:15 a.m.

Last Modified: Sept. 4, 2024, 2:28 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

CPEs

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a libexpat_project libexpat / / / / / / / /

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
9.8
Exploitability Score
3.9
Impact Score
5.9
Base Severity
CRITICAL
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References