libarchive: Undefined behavior / signed integer overflow in TAR parser
Published Sep 20, 2016
5.5
MEDIUMCVSS 3.0
EPSS 2.03%
Description
Integer overflow in the archive_read_format_tar_skip function in archive_read_support_format_tar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file.
Affected products
No data.
Configuration 1
- ≤ 3.1.901a
Configuration 2
- 12
- 12
- 12
Configuration 3
- 12.04
- 14.04
- 15.10
- 16.04
No data.
Red Hat Enterprise Linux 6
libarchive
Will not fix
Red Hat Enterprise Linux 7
libarchive
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libarchive | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | libarchive | 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/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.
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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.03% (0.02028) | 80.31th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.03% (0.02028) | 80.17th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.73% (0.03730) | 89.35th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.03% (0.02028) | 79.74th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.73% (0.03730) | 89.11th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.03% (0.02028) | 79.64th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.73% (0.03730) | 89.04th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.03% (0.02028) | 79.53th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.73% (0.03730) | 89.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.04% (0.02045) | 78.61th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.31% (0.00311) | 52.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.71% (0.00715) | 81.17th | v3 (v2023.03.01) |
| May 8, 2024 | 0.71% (0.00715) | 80.42th | v3 (v2023.03.01) |
| Apr 18, 2024 | 0.66% (0.00658) | 79.30th | v3 (v2023.03.01) |
| Dec 22, 2023 | 0.66% (0.00658) | 77.28th | v3 (v2023.03.01) |
| Oct 3, 2023 | 0.58% (0.00582) | 75.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.50% (0.00495) | 72.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.78% (0.01776) | 76.86th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.78% (0.01776) | 76.81th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.78% (0.01776) | 74.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.78% (0.01776) | 53.99th | v2 (v2022.01.01) |
References (13)
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.debian.org/security/2016/dsa-3657 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2016/06/17/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/17/5 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/91421 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-3033-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-8933 Vendor Advisory
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1348781 Issue Tracking
- https://github.com/libarchive/libarchive/issues/548 x_refsource_CONFIRMExploitIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8933
- https://security.gentoo.org/glsa/201701-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-8933
Change history (0)
No recorded changes yet.