Is CVE-2010-3873 in the CISA KEV catalog?

No. CVE-2010-3873 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-3873?

CVE-2010-3873 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2010-3873?

CVE-2010-3873 has an EPSS score of 3.74% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2010-3873?

Upgrade linux kernel to 2.6.36.2 or later.

CVE & CISA-KEV Catalog

CVE-2010-3873

MEDIUMEPSS 89th pctl

5.0

CVSS v2

NVD

Description

The X.25 implementation in the Linux kernel before 2.6.36.2 does not properly parse facilities, which allows remote attackers to cause a denial of service (heap memory corruption and panic) or possibly have unspecified other impact via malformed (1) X25_FAC_CALLING_AE or (2) X25_FAC_CALLED_AE data, related to net/x25/x25_facilities.c and net/x25/x25_in.c, a different vulnerability than CVE-2010-4164.

CWE-119Buffer Overflow

How to fix

Remediation Available

linux kernelNVD

Affected:< 2.6.36.2Fixed in:2.6.36.2CVE-2010-3873derived from NVD

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.74%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch3

Third-Party Advisory8

Other references2

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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 2026-04-29.