What’s Vulnerable › Vulnerabilities

CVE-2015-4645

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-17 · updated 2026-06-17
• Weakness: CWE-190

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.

Affected products

• Fedoraproject Fedora: 21, 22
• Squashfs Project Squashfs: through 4.3

References

• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162171.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162226.html
• http://www.securityfocus.com/bid/75272
• https://bugzilla.redhat.com/show_bug.cgi?id=1234886
• https://github.com/devttys0/sasquatch/pull/5
• https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1
• https://security.gentoo.org/glsa/201701-73
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162171.html
• http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162226.html
• http://www.securityfocus.com/bid/75272
• https://bugzilla.redhat.com/show_bug.cgi?id=1234886
• https://github.com/devttys0/sasquatch/pull/5

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