CVE-2012-4025

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 4%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
—
EG Score
0.0(none)
EPSS
89.0%
KEV
Not listed

Published

July 19, 2012

Last Modified

April 29, 2026

References (14)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:23 UTCEPSS rescore
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  37. 2026-05-29 03:51 UTCGHSA enrichment
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  59. 2026-05-18 21:29 UTCEPSS rescore
  60. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(4)

What is CVE-2012-4025?
CVE-2012-4025 is a none vulnerability published on July 19, 2012. Integer overflow in the queueinit function in unsquashfs.c in unsquashfs in Squashfs 4.2 and earlier allows remote attackers to execute arbitrary code via a crafted blocklog field in the superblock of a .sqsh file, leading to a heap-based buffer overflow.
When was CVE-2012-4025 disclosed?
CVE-2012-4025 was first published in the National Vulnerability Database on July 19, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-4025 actively exploited?
CVE-2012-4025 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-4025?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4025, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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