Buffer overflow in Xmlsoft Libxml2
CVE-2025-6170
A flaw was found in the interactive shell of the xmllint command-line tool, used for parsing XML files. When a user inputs an overly long command, the program does not check the input size properly, which can cause it to crash. This issue…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (12.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Xmlsoft Libxml2
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Hardened Images — versions 2.15.2-0.3.hum1
- Red Hat Jboss Core Services
- Red Hat Openshift Container Platform 4
- Redhat Enterprise_linux — versions 6.0, 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, Mitigation, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
- secalert@redhat.com
- af854a3a-2127-422b-91ae-364da2661108
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2025-6170?
- CVE-2025-6170 is a low-severity vulnerability in Xmlsoft Libxml2, classified under Stack-based Buffer Overflow. CVSS score: 2.5/10. Published 2025-06-16.
- How severe is CVE-2025-6170?
- Low severity. CVSS v3 base score is 2.5 out of 10.
- Is CVE-2025-6170 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.