libarchive: Memory allocate error with symbolic links in cpio archives
Published Sep 21, 2016
7.5
HIGHCVSS 3.0
EPSS 4.77%
Description
The archive_read_format_cpio_read_header function in archive_read_support_format_cpio.c in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a CPIO archive with a large symlink.
Affected products
No data.
Configuration 1
- 6.0
- 6.0
- 6.0
- 6.0
Configuration 2
- 7.0
- 7.0
- 7.2
- 7.0
- 7.2
- 7.2
- 7.0
Configuration 4
- ≤ 3.2.0
No data.
Red Hat Enterprise Linux 6
libarchive-0:2.8.3-7.el6_8
Fixed · RHSA-2016:1850
Red Hat Enterprise Linux 7
libarchive-0:3.1.2-10.el7_2
Fixed · RHSA-2016:1844
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libarchive-0:2.8.3-7.el6_8 | Fixed | RHSA-2016:1850 |
| Red Hat Enterprise Linux 7 | libarchive-0:3.1.2-10.el7_2 | Fixed | RHSA-2016:1844 |
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:N/AC:L/PR:N/UI:N/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:N/I:N/A:L
AV:N/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- 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 | 4.77% (0.04773) | 91.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.68% (0.04683) | 90.58th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.26% (0.02260) | 83.13th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.49% (0.05494) | 83.32th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.26% (0.02260) | 83.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.26% (0.01262) | 86.20th | v3 (v2023.03.01) |
| Jul 14, 2024 | 1.26% (0.01262) | 85.75th | v3 (v2023.03.01) |
| May 9, 2024 | 1.09% (0.01093) | 84.30th | v3 (v2023.03.01) |
| May 3, 2024 | 0.81% (0.00810) | 81.64th | v3 (v2023.03.01) |
| Aug 25, 2023 | 0.81% (0.00810) | 79.61th | v3 (v2023.03.01) |
| Jul 13, 2023 | 0.76% (0.00761) | 78.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.68% (0.00680) | 76.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (12)
- http://rhn.redhat.com/errata/RHSA-2016-1844.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1850.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.debian.org/security/2016/dsa-3657 vendor-advisoryx_refsource_DEBIAN
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/91813 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-4809 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1347084 x_refsource_CONFIRMIssue Tracking
- https://github.com/libarchive/libarchive/commit/fd7e0c02 x_refsource_CONFIRMIssue TrackingPatch
- https://github.com/libarchive/libarchive/issues/705 x_refsource_CONFIRMIssue TrackingPatch
- https://nvd.nist.gov/vuln/detail/CVE-2016-4809
- https://security.gentoo.org/glsa/201701-03 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-4809
Change history (0)
No recorded changes yet.