libarchive: heap based buffer overflow in detect_form (archive_read_support_format_mtree.c)
Published Feb 15, 2017
5.5
MEDIUMCVSS 3.0
EPSS 1.98%
Description
The mtree bidder in libarchive 3.2.1 does not keep track of line sizes when extending the read-ahead, which allows remote attackers to cause a denial of service (crash) via a crafted file, which triggers an invalid read in the (1) detect_form or (2) bid_entry function in libarchive/archive_read_support_format_mtree.c.
Affected products
No data.
Configuration 1
- 3.2.1
No data.
Red Hat Enterprise Linux 6
libarchive
Not affected
Red Hat Enterprise Linux 7
libarchive
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libarchive | Not affected | n/a |
| Red Hat Enterprise Linux 7 | libarchive | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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:N/UI:N/S:U/C:L/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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.98% (0.01980) | 79.78th | v5 (v2026.06.15) |
| Sep 22, 2026 | 1.98% (0.01980) | 79.64th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.13% (0.03127) | 87.27th | v5 (v2026.06.15) |
| Sep 6, 2026 | 1.98% (0.01980) | 79.21th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.39% (0.03390) | 88.03th | v5 (v2026.06.15) |
| Aug 30, 2026 | 1.98% (0.01980) | 79.10th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.39% (0.03390) | 87.96th | v5 (v2026.06.15) |
| Aug 24, 2026 | 1.98% (0.01980) | 78.99th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.39% (0.03390) | 87.91th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.00% (0.01997) | 78.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00226) | 43.37th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.91% (0.00907) | 83.47th | v3 (v2023.03.01) |
| May 18, 2024 | 0.91% (0.00907) | 82.73th | v3 (v2023.03.01) |
| Feb 28, 2024 | 0.80% (0.00802) | 81.18th | v3 (v2023.03.01) |
| Dec 7, 2023 | 0.68% (0.00683) | 77.71th | v3 (v2023.03.01) |
| Jul 3, 2023 | 0.64% (0.00639) | 76.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00451) | 71.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
References (15)
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/16/11 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/93781 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-8688 Vendor Advisory
- https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-bid_entry-archive_read_support_format_mtree-c/ x_refsource_MISCPatchThird Party AdvisoryVDB Entry
- https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-detect_form-archive_read_support_format_mtree-c/ x_refsource_MISCPatchThird Party AdvisoryVDB Entry
- https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-memory-corruptionunknown-crash-in-bid_entry-archive_read_support_format_mtree-c/ x_refsource_MISCPatchThird Party AdvisoryVDB Entry
- https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-use-after-free-in-bid_entry-archive_read_support_format_mtree-c/ x_refsource_MISCPatchThird Party AdvisoryVDB Entry
- https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-use-after-free-in-detect_form-archive_read_support_format_mtree-c/ x_refsource_MISCPatchThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1377923 x_refsource_CONFIRMIssue TrackingPatch
- https://github.com/libarchive/libarchive/commit/eec077f52bfa2d3f7103b4b74d52572ba8a15aca x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2016-8688
- https://security.gentoo.org/glsa/201701-03 vendor-advisoryx_refsource_GENTOOPatchThird Party AdvisoryVDB Entry
- https://www.cve.org/CVERecord?id=CVE-2016-8688
Change history (0)
No recorded changes yet.