CVE-2022-23852

critical

Description

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.

References

https://www.tenable.com/security/tns-2022-05

https://www.oracle.com/security-alerts/cpuapr2022.html

https://www.debian.org/security/2022/dsa-5073

https://security.netapp.com/advisory/ntap-20220217-0001/

https://security.gentoo.org/glsa/202209-24

https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html

https://github.com/libexpat/libexpat/pull/550

https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf

Details

Source: Mitre, NVD

Published: 2022-01-24

Updated: 2022-10-29

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical