Is CVE-2012-4024 in the CISA KEV catalog?

No. CVE-2012-4024 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-4024?

CVE-2012-4024 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2012-4024?

CVE-2012-4024 has an EPSS score of 4.05% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-4024?

Upgrade squashfs-tools on debian 11 to 1:4.2+20121212-1 or later.

CVE & CISA-KEV Catalog

CVE-2012-4024

MEDIUMEPSS 89th pctl

6.8

CVSS v2

NVD

Description

Stack-based buffer overflow in the get_component function in unsquashfs.c in unsquashfs in Squashfs 4.2 and earlier allows remote attackers to execute arbitrary code via a crafted list file (aka a crafted file for the -ef option). NOTE: probably in most cases, the list file is a trusted file constructed by the program's user; however, there are some realistic situations in which a list file would be obtained from an untrusted remote source.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

squashfs-toolsDebian

Fixed in:1:4.2+20121212-1CVE-2012-4024

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

4.05%probability of exploitation in 30 days

89thpercentile

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

References

Third-Party Advisory4

Mailing List1

openwall.com

VDB Entry1

exchange.xforce.ibmcloud.com

Other references2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) 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-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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.