CVE-2015-4645

Name: CVE-2015-4645
Creator: NVD / NIST
Published: 2017-03-17T14:59:00.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 3.16%

Last modified Jun 17, 2026

CVE-2015-4645 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows remote attackers to cause a denial of service (application crash) via a crafted input, which triggers a stack-based buffer overflow.. EPSS estimates a 3.16% chance of exploitation in the next 30 days.

Description

Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows remote attackers to cause a denial of service (application crash) via a crafted input, which triggers a stack-based buffer overflow.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

3.16%

86.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Squashfs Project	Squashfs	<= 4.3
Fedoraproject	Fedora	21
Fedoraproject	Fedora	22

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162171.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162226.htmlThird Party Advisory
http://www.securityfocus.com/bid/75272Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1234886Issue Tracking, Third Party Advisory, VDB Entry
https://github.com/devttys0/sasquatch/pull/5Third Party Advisory
https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1Third Party Advisory
https://security.gentoo.org/glsa/201701-73Third Party Advisory, VDB Entry
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162171.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162226.htmlThird Party Advisory
http://www.securityfocus.com/bid/75272Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1234886Issue Tracking, Third Party Advisory, VDB Entry
https://github.com/devttys0/sasquatch/pull/5Third Party Advisory
https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1Third Party Advisory
https://security.gentoo.org/glsa/201701-73Third Party Advisory, VDB Entry

Timeline

Published: Mar 17, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4645?

How severe is CVE-2015-4645?

CVE-2015-4645 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 3.16% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4645?

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-2015-4645?

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

Scan your code now

Source: NVD / NIST