busybox: Integer overflow in the get_next_block function
Published Oct 24, 2017
5.5
MEDIUMCVSS 3.1
EPSS 1.32%
Description
The get_next_block function in archival/libarchive/decompress_bunzip2.c in BusyBox 1.27.2 has an Integer Overflow that may lead to a write access violation.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
Configuration 3
- 14.04
- 16.04
- 18.04
- 18.10
No data.
Red Hat Enterprise Linux 5
busybox
Will not fix
Red Hat Enterprise Linux 6
busybox
Will not fix
Red Hat Enterprise Linux 7
busybox
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | busybox | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | busybox | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | busybox | 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
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jun 9, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.32% (0.01316) | 69.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.32% (0.01316) | 66.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00093) | 24.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00090) | 40.16th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.09% (0.00090) | 38.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00090) | 36.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- https://access.redhat.com/security/cve/CVE-2017-15873 Vendor Advisory
- https://bugs.busybox.net/show_bug.cgi?id=10431 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1515249 Issue Tracking
- https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-15873
- https://usn.ubuntu.com/3935-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-15873
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-15873 | Vendor Advisory | |
| https://bugs.busybox.net/show_bug.cgi?id=10431 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1515249 | Issue Tracking | |
| https://git.busybox.net/busybox/commit/?id=0402cb32df015d9372578e3db27db47b33d5c7b0 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15873 | ||
| https://usn.ubuntu.com/3935-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-15873 |
Change history (0)
No recorded changes yet.