Is CVE-2025-6170 in the CISA KEV catalog?

No. CVE-2025-6170 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-6170?

CVE-2025-6170 has a CVSS v3 base score of 2.5 (LOW).

What is the EPSS score for CVE-2025-6170?

CVE-2025-6170 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-6170?

Upgrade libxml2 on debian 11 to 2.9.10+dfsg-6.7+deb11u8 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2025-6170

LOW

2.5

CVSS v3

NVD

Description

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 might allow attackers to run harmful code in rare configurations without modern protections.

CWE-121Stack-based Buffer Overflow

How to fix

Remediation Available

libxml2Debian

Fixed in:2.9.10+dfsg-6.7+deb11u8CVE-2025-6170

Fixed in:2.9.14+dfsg-1.3~deb12u3CVE-2025-6170

Fixed in:2.12.7+dfsg+really2.9.14-2.1CVE-2025-6170

libxml2Ubuntu

Fixed in:2.9.1+dfsg1-3ubuntu4.13+esm8USN-7694-1

Fixed in:2.9.3+dfsg1-1ubuntu0.7+esm9USN-7694-1

Fixed in:2.9.4+dfsg1-6.1ubuntu1.9+esm4USN-7694-1

Fixed in:2.9.10+dfsg-5ubuntu0.20.04.10+esm1USN-7694-1

Fixed in:2.9.13+dfsg-1ubuntu0.8USN-7694-1

Fixed in:2.9.14+dfsg-1.3ubuntu3.4USN-7694-1

python-libxml2Ubuntu

Fixed in:2.9.1+dfsg1-3ubuntu4.13+esm8USN-7694-1

Fixed in:2.9.3+dfsg1-1ubuntu0.7+esm9USN-7694-1

Fixed in:2.9.4+dfsg1-6.1ubuntu1.9+esm4USN-7694-1

python3-libxml2Ubuntu

Fixed in:2.9.4+dfsg1-6.1ubuntu1.9+esm4USN-7694-1

Fixed in:2.9.10+dfsg-5ubuntu0.20.04.10+esm1USN-7694-1

Fixed in:2.9.13+dfsg-1ubuntu0.8USN-7694-1

Fixed in:2.9.14+dfsg-1.3ubuntu3.4USN-7694-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Mitigation1

access.redhat.com

Third-Party Advisory1

bugzilla.redhat.com

Other references4

Related Vulnerabilities

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2009-0927	High	8.8	97%	KEV	Fix
CVE-2020-10924	High	8.8	87%	-	-
CVE-2022-20705	Critical	10.0	80%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-30.