CVE-2023-52425

high

Description

libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/

https://www.cisa.gov/news-events/ics-advisories/icsa-24-228-06

https://cert-portal.siemens.com/productcert/html/ssa-784301.html

https://security.netapp.com/advisory/ntap-20240614-0003/

https://lists.fedoraproject.org/archives/list/[email protected]/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/

https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html

https://lists.debian.org/debian-lts-announce/2024/04/msg00006.html

https://github.com/libexpat/libexpat/pull/789

https://cert-portal.siemens.com/productcert/html/ssa-398330.html

http://www.openwall.com/lists/oss-security/2024/03/20/5

Details

Source: Mitre, NVD

Published: 2024-02-04

Updated: 2026-10-15

Risk Information

CVSS v2

Base Score: 7.8

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

Severity: High

CVSS v3

Base Score: 7.5

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