How severe is CVE-2012-4025?

CVE-2012-4025 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2012-4025 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4025?

CVE-2012-4025 affects Squashfs Project Squashfs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-4025?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4025 published?

CVE-2012-4025 was published on 2012-07-19 and last updated on 2026-06-16.

CVE-2012-4025

CVE-2012-4025 is a medium-severity vulnerability in Squashfs Project Squashfs with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Squashfs Project Squashfs
Published: 2012-07-19
Last modified: 2026-06-16

Description

Integer overflow in the queue_init function in unsquashfs.c in unsquashfs in Squashfs 4.2 and earlier allows remote attackers to execute arbitrary code via a crafted block_log field in the superblock of a .sqsh file, leading to a heap-based buffer overflow.

Frequently asked questions

What is CVE-2012-4025?: Integer overflow in the queue_init function in unsquashfs.c in unsquashfs in Squashfs 4.2 and earlier allows remote attackers to execute arbitrary code via a crafted block_log field in the superblock of a .sqsh file, leading to a heap-based buffer overflow.
How severe is CVE-2012-4025?: CVE-2012-4025 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2012-4025 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4025?: CVE-2012-4025 affects Squashfs Project Squashfs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-4025?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4025 published?: CVE-2012-4025 was published on 2012-07-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:squashfs_project:squashfs:*:*:*:*:*:*:*:*

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