libxmltok vulnerabilities

2024-09-1210:20:05

Google

osv.dev

expat

xmltok

denial of service

arbitrary code

integer overflow

cve-2024-45490

cve-2024-45491

32-bit platforms

security vulnerability

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

9.7

Confidence

High

JSON

Shang-Hung Wan discovered that Expat, contained within the xmltok library,
did not properly handle certain function calls when a negative input length
was provided. An attacker could use this issue to cause a denial of service
or possibly execute arbitrary code. (CVE-2024-45490)

Shang-Hung Wan discovered that Expat, contained within the xmltok library,
did properly handle the potential for an integer overflow on 32-bit
platforms. An attacker could use this issue to cause a denial of service or
possibly execute arbitrary code. (CVE-2024-45491)