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Vulnerability record · CVE-2012-4025 · published 19 July 2012

CVE-2012-4025: Squashfs project squashfs integer overflow vulnerability

Squashfs Project · Squashfs

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.

6.8 CVSS 2.0 Medium EPSS 3.9% · top 10.1% CWE-190 · Integer overflow
6.8CVSS 2.0 base score
3.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://sourceforge.net/mailarchive/forum.php?thread_name=CAAoG81HL9oP8roPLLhftTSXTzSD%2BZcR66PRkVU%3Df76W3Mjde_w%40mail. Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:128 Not Applicable
http://www.openwall.com/lists/oss-security/2012/07/19/6 Mailing List
http://www.osvdb.org/83899 Broken Link
http://www.securityfocus.com/bid/54610 Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201612-40 Third Party Advisory
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0001 Third Party Advisory
http://sourceforge.net/mailarchive/forum.php?thread_name=CAAoG81HL9oP8roPLLhftTSXTzSD%2BZcR66PRkVU%3Df76W3Mjde_w%40mail. Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:128 Not Applicable
http://www.openwall.com/lists/oss-security/2012/07/19/6 Mailing List
http://www.osvdb.org/83899 Broken Link
http://www.securityfocus.com/bid/54610 Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201612-40 Third Party Advisory
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0001 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-4025), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.