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Vulnerability record · CVE-2015-4646 · published 13 April 2017

CVE-2015-4646: Squashfs project squashfs improper input validation vulnerability

Squashfs Project · Squashfs

(1) unsquash-1.c, (2) unsquash-2.c, (3) unsquash-3.c, and (4) unsquash-4.c in Squashfs and sasquatch allow remote attackers to cause a denial of service (application crash) via a crafted input.

7.5 CVSS 3.1 High EPSS 6.9% · top 6.1% CWE-20 · Improper input validation
7.5CVSS 3.1 base score, v2 5.0
6.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

(1) unsquash-1.c, (2) unsquash-2.c, (3) unsquash-3.c, and (4) unsquash-4.c in Squashfs and sasquatch allow remote attackers to cause a denial of service (application crash) via a crafted input.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://seclists.org/oss-sec/2015/q2/756 Mailing ListThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/75272 Third Party AdvisoryVDB Entry
https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1 Third Party Advisory
https://security.gentoo.org/glsa/201701-73 Third Party Advisory
http://seclists.org/oss-sec/2015/q2/756 Mailing ListThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/75272 Third Party AdvisoryVDB Entry
https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1 Third Party Advisory
https://security.gentoo.org/glsa/201701-73 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-2015-4646), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.