unzip: overlapping of files in ZIP container leads to denial of service
Published Jul 4, 2019
3.3
LOWCVSS 3.1
EPSS 0.50%
Description
Info-ZIP UnZip 6.0 mishandles the overlapping of files inside a ZIP container, leading to denial of service (resource consumption), aka a "better zip bomb" issue.
Affected products
No data.
Configuration 1
- 6.0
Configuration 2
- 8.0
No data.
Red Hat Enterprise Linux 7
unzip-0:6.0-21.el7
Fixed · RHSA-2020:1181
Red Hat Enterprise Linux 7.7 Extended Update Support
unzip-0:6.0-20.el7_7.1
Fixed · RHSA-2020:2486
Red Hat Enterprise Linux 8
unzip-0:6.0-43.el8
Fixed · RHSA-2020:1787
Red Hat Enterprise Linux 5
unzip
Out of support scope
Red Hat Enterprise Linux 6
unzip
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | unzip-0:6.0-21.el7 | Fixed | RHSA-2020:1181 |
| Red Hat Enterprise Linux 7.7 Extended Update Support | unzip-0:6.0-20.el7_7.1 | Fixed | RHSA-2020:2486 |
| Red Hat Enterprise Linux 8 | unzip-0:6.0-43.el8 | Fixed | RHSA-2020:1787 |
| Red Hat Enterprise Linux 5 | unzip | Out of support scope | n/a |
| Red Hat Enterprise Linux 6 | unzip | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the versions of unzip as shipped with Red Hat Enterprise Linux 5, 6, 7, and 8. Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:L/AC:L/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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.50% (0.00497) | 40.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.50% (0.00495) | 38.34th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00082) | 21.70th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00077) | 34.89th | v3 (v2023.03.01) |
| Jun 27, 2024 | 0.08% (0.00077) | 33.16th | v3 (v2023.03.01) |
| May 1, 2024 | 0.05% (0.00046) | 14.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 12.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.09% (0.03090) | 64.78th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.63% (0.08626) | 85.56th | v1 |
| Jan 6, 2022 | 8.63% (0.08626) | 85.39th | v1 |
| Sep 1, 2021 | 2.06% (0.02061) | 76.87th | v1 |
| Apr 14, 2021 | 2.06% (0.02061) | 0.00th | v1 |
References (11)
- https://access.redhat.com/security/cve/CVE-2019-13232 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1727761 Issue Tracking
- https://github.com/madler/unzip x_refsource_MISCProductRelease NotesThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/07/msg00005.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/07/msg00027.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-13232
- https://security.gentoo.org/glsa/202003-58 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190814-0002/ x_refsource_CONFIRMThird Party Advisory
- https://support.f5.com/csp/article/K80311892?utm_source=f5support&%3Butm_medium=RSS x_refsource_CONFIRM
- https://www.bamsoftware.com/hacks/zipbomb/ x_refsource_MISCThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-13232
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-13232 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1727761 | Issue Tracking | |
| https://github.com/madler/unzip | x_refsource_MISCProductRelease NotesThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2019/07/msg00005.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2019/07/msg00027.html | mailing-listx_refsource_MLISTThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-13232 | ||
| https://security.gentoo.org/glsa/202003-58 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://security.netapp.com/advisory/ntap-20190814-0002/ | x_refsource_CONFIRMThird Party Advisory | |
| https://support.f5.com/csp/article/K80311892?utm_source=f5support&%3Butm_medium=RSS | x_refsource_CONFIRM | |
| https://www.bamsoftware.com/hacks/zipbomb/ | x_refsource_MISCThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2019-13232 |
Change history (0)
No recorded changes yet.