CVE-2015-4646

Name: CVE-2015-4646
Creator: NVD / NIST
Published: 2017-04-13T17:59:00.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 6.91%

Last modified Jun 17, 2026

CVE-2015-4646 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. (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.. EPSS estimates a 6.91% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

6.91%

93.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Squashfs Project	Squashfs	<= 4.3

References

http://seclists.org/oss-sec/2015/q2/756Mailing List, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/75272Third Party Advisory, VDB Entry
https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1Third Party Advisory
https://security.gentoo.org/glsa/201701-73Third Party Advisory
http://seclists.org/oss-sec/2015/q2/756Mailing List, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/75272Third Party Advisory, VDB Entry
https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1Third Party Advisory
https://security.gentoo.org/glsa/201701-73Third Party Advisory

Timeline

Published: Apr 13, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4646?

(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.

How severe is CVE-2015-4646?

CVE-2015-4646 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 6.91% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4646?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-4646?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST