CVE-2022-23990critical
Description
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
References
https://github.com/libexpat/libexpat/pull/551
https://www.tenable.com/security/tns-2022-05
https://www.debian.org/security/2022/dsa-5073
https://www.oracle.com/security-alerts/cpuapr2022.html
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
Details
Source: MITRE
Published: 2022-01-26
Updated: 2022-10-06
Type: CWE-190
Risk Information
CVSS v2
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH
CVSS v3
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL