CVE-2022-23990 Information

Description

Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.

CVSS Vector

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

Reference

https://github.com/libexpat/libexpat/pull/551 https://www.tenable.com/security/tns-2022-05 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R7FF2UH7MPXKTADYSJUAHI2Y5UHBSHUH/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/34NXVL2RZC2YZRV74ZQ3RNFB7WCEUP7D/ https://www.debian.org/security/2022/dsa-5073 https://www.oracle.com/security-alerts/cpuapr2022.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8