Is CVE-2013-4591 in the CISA KEV catalog?

No. CVE-2013-4591 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-4591?

CVE-2013-4591 has a CVSS v2 base score of 6.2 (MEDIUM).

What is the EPSS score for CVE-2013-4591?

CVE-2013-4591 has an EPSS score of 0.57% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-4591?

Upgrade linux on debian 11 to 3.8-1 or later.

CVE & CISA-KEV Catalog

CVE-2013-4591

MEDIUM

6.2

CVSS v2

NVD

Description

Buffer overflow in the __nfs4_get_acl_uncached function in fs/nfs/nfs4proc.c in the Linux kernel before 3.7.2 allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via a getxattr system call for the system.nfs4_acl extended attribute of a pathname on an NFSv4 filesystem.

CWE-119Buffer Overflow

How to fix

Remediation Available

linuxDebian

Fixed in:3.8-1CVE-2013-4591

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

0.57%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Patch1

github.com

Other references7

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.