The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries…
Priority MEDIUM 40CWE-19Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file.
Why it matters now
EPSS 0.04669 91st percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix Fixed Red Hat: 4 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* | 6 | Vulnerable | Oracle |
| cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* | 7 | Vulnerable | Oracle |
| cpe:2.3:a:redhat:openshift:3.1:*:*:*:enterprise:*:*:* | 3.1 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift:3.2:*:*:*:enterprise:*:*:* | 3.2 | Vulnerable | Red Hat |
| cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:* | up to 3.2.0 | Vulnerable | libarchive |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·Oracle
- cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Oracle
- cpe:2.3:a:redhat:openshift:3.1:*:*:*:enterprise:*:*:* Versions 3.1 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift:3.2:*:*:*:enterprise:*:*:* Versions 3.2 Vulnerable ·Red Hat
- cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:* Versions up to 3.2.0 Vulnerable ·libarchive
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:* | 7.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:* | 7.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:* | 7.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
Red Hat 4 advisories
- RHSA-2016:1844 Released 2016-09-12 · Red Hat rating Importantlibarchive security update
- Red Hat Enterprise Linux Client (v. 7) libarchive-3.1.2-10.el7_2
- Red Hat Enterprise Linux Client Optional (v. 7) bsdcpio-3.1.2-10.el7_2, bsdtar-3.1.2-10.el7_2, libarchive-devel-3.1.2-10.el7_2
- Red Hat Enterprise Linux ComputeNode (v. 7) libarchive-3.1.2-10.el7_2
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) bsdcpio-3.1.2-10.el7_2, bsdtar-3.1.2-10.el7_2, libarchive-devel-3.1.2-10.el7_2
- Red Hat Enterprise Linux Server (v. 7) libarchive-3.1.2-10.el7_2, libarchive-3.1.2-10.el7_2.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) bsdcpio-3.1.2-10.el7_2, bsdtar-3.1.2-10.el7_2, libarchive-devel-3.1.2-10.el7_2 +1
- Red Hat Enterprise Linux Workstation (v. 7) libarchive-3.1.2-10.el7_2
- Red Hat Enterprise Linux Workstation Optional (v. 7) bsdcpio-3.1.2-10.el7_2, bsdtar-3.1.2-10.el7_2, libarchive-devel-3.1.2-10.el7_2
- RHSA-2016:1850 Released 2016-09-12 · Red Hat rating Importantlibarchive security update
- Red Hat Enterprise Linux Desktop (v. 6) libarchive-2.8.3-7.el6_8
- Red Hat Enterprise Linux Desktop Optional (v. 6) libarchive-devel-2.8.3-7.el6_8
- Red Hat Enterprise Linux HPC Node Optional (v. 6) libarchive-2.8.3-7.el6_8, libarchive-devel-2.8.3-7.el6_8
- Red Hat Enterprise Linux Server (v. 6) libarchive-2.8.3-7.el6_8, libarchive-2.8.3-7.el6_8.ppc
- Red Hat Enterprise Linux Server Optional (v. 6) libarchive-devel-2.8.3-7.el6_8, libarchive-devel-2.8.3-7.el6_8.ppc
- Red Hat Enterprise Linux Workstation (v. 6) libarchive-2.8.3-7.el6_8
- Red Hat Enterprise Linux Workstation Optional (v. 6) libarchive-devel-2.8.3-7.el6_8
- RHSA-2016:1852 Released 2016-09-12 · Red Hat rating ImportantRed Hat OpenShift Enterprise 3.1 security update
- Red Hat OpenShift Enterprise 3.1 atomic-openshift-3.1.1.7-1.git.0.65f396b.el7aos, atomic-openshift-clients-3.1.1.7-1.git.0.65f396b.el7aos, atomic-openshift-clients-redistributable-3.1.1.7-1.git.0.65f396b.el7aos +7
Show 1 more Red Hat advisories
- RHSA-2016:1853 Released 2016-09-12 · Red Hat rating ImportantRed Hat OpenShift Enterprise 3.2 security update and bug fix update
- Red Hat OpenShift Container Platform 3.2 atomic-openshift-3.2.1.15-1.git.0.d84be7f.el7, atomic-openshift-clients-3.2.1.15-1.git.0.d84be7f.el7, atomic-openshift-clients-redistributable-3.2.1.15-1.git.0.d84be7f.el7 +16
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2016:1844 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2016:1844 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2016:1844 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2016:1844 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2016:1850 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2016:1850 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2016:1850 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2016:1850 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2016:1844 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2016:1850 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2016:1844 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2016:1850 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2016:1844 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2016:1850 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2016:1844 |
| Red Hat OpenShift Container Platform 3.2 | Fixed | RHSA-2016:1853 |
| Red Hat OpenShift Enterprise 3.1 | Fixed | RHSA-2016:1852 |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-5418
- 2026-10-03 Alias added: GHSA-88p3-99rj-qvrx
References
Exploit 3
Sources
- CVE-2016-5418 · CVE Program
- CVE-2016-5418 · NVD
- FIRST EPSS
- GHSA-88p3-99rj-qvrx · GitHub Advisory Database · CC BY 4.0
- CVE-2016-5418 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences