libarchive: Undefined behavior (signed integer overflow) in mtree parser
Published Sep 20, 2016
7.8
HIGHCVSS 3.0
EPSS 2.12%
Description
Multiple integer overflows in the (1) get_time_t_max and (2) get_time_t_min functions in archive_read_support_format_mtree.c in libarchive before 3.2.0 allow remote attackers to have unspecified impact via a crafted mtree file, which triggers undefined behavior.
Affected products
No data.
Configuration 1
- ≤ 3.1.901a
Configuration 2
- 12
- 12
- 12
Configuration 3
- 12.04
- 14.04
- 15.10
- 16.04
Configuration 4
- 7.0
- 8.0
No data.
Red Hat Enterprise Linux 7
libarchive-0:3.1.2-10.el7_2
Fixed · RHSA-2016:1844
Red Hat Enterprise Linux 6
libarchive
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | libarchive-0:3.1.2-10.el7_2 | Fixed | RHSA-2016:1844 |
| Red Hat Enterprise Linux 6 | libarchive | Not affected | 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:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:P/I:P/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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.12% (0.02122) | 81.21th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.12% (0.02122) | 81.08th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.63% (0.03626) | 89.03th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.12% (0.02122) | 80.67th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.63% (0.03626) | 88.79th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.12% (0.02122) | 80.57th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.63% (0.03626) | 88.72th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.12% (0.02122) | 80.46th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.63% (0.03626) | 88.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.13% (0.02130) | 79.50th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.30% (0.00299) | 51.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.47% (0.00475) | 76.51th | v3 (v2023.03.01) |
| May 8, 2024 | 0.47% (0.00475) | 75.60th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.44% (0.00437) | 74.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.44% (0.00437) | 70.74th | 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 (16)
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.html vendor-advisoryx_refsource_REDHAT
- 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.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/91338 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-2015-8931 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=1348779 Issue Tracking
- https://github.com/libarchive/libarchive/issues/539 x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8931
- https://security-tracker.debian.org/tracker/CVE-2015-8931 x_refsource_MISCIssue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/201701-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2015-8931
Change history (0)
No recorded changes yet.