squashfs-tools: integer overflow in read_fragment_table_4
Published Mar 17, 2017
5.5
MEDIUMCVSS 3.1
EPSS 3.16%
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
No data.
Configuration 1
- ≤ 4.3
Configuration 2
- 21
- 22
No data.
Red Hat Enterprise Linux 5
squashfs-tools
Will not fix
Red Hat Enterprise Linux 6
squashfs-tools
Will not fix
Red Hat Enterprise Linux 7
squashfs-tools
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | squashfs-tools | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | squashfs-tools | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | squashfs-tools | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.16% (0.03160) | 87.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.16% (0.03160) | 86.28th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.16% (0.00161) | 34.48th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.16% (0.01161) | 85.54th | v3 (v2023.03.01) |
| Jun 17, 2024 | 1.07% (0.01070) | 84.27th | v3 (v2023.03.01) |
| Mar 29, 2024 | 0.95% (0.00946) | 82.79th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.80% (0.00805) | 81.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.80% (0.00805) | 79.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (10)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162171.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162226.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://www.securityfocus.com/bid/75272 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2015-4645 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1234886 x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
- https://github.com/devttys0/sasquatch/pull/5 x_refsource_MISCThird Party Advisory
- https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1 x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-4645
- https://security.gentoo.org/glsa/201701-73 vendor-advisoryx_refsource_GENTOOThird Party AdvisoryVDB Entry
- https://www.cve.org/CVERecord?id=CVE-2015-4645
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162171.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162226.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://www.securityfocus.com/bid/75272 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2015-4645 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1234886 | x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry | |
| https://github.com/devttys0/sasquatch/pull/5 | x_refsource_MISCThird Party Advisory | |
| https://github.com/plougher/squashfs-tools/commit/f95864afe8833fe3ad782d714b41378e860977b1 | x_refsource_CONFIRMThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-4645 | ||
| https://security.gentoo.org/glsa/201701-73 | vendor-advisoryx_refsource_GENTOOThird Party AdvisoryVDB Entry | |
| https://www.cve.org/CVERecord?id=CVE-2015-4645 |
Change history (0)
No recorded changes yet.