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TI-2016-03687 Aliases CVE-2016-4300GHSA-6qg7-x2gx-6jfr

Integer overflow in the read_SubStreamsInfo function in…

Priority MEDIUM 42CWE-190Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer overflow.

Why it matters now

EPSS 0.04919 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*up to 3.2.0Vulnerablelibarchive
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed 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
  • 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 1 advisory

  • RHSA-2016:1844 Released 2016-09-12 · Red Hat rating Important
    libarchive 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

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan 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 Server (v. 7)Fixed RHSA-2016:1844
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:1844
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:1844
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:1844
Not affected: 1 product
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-4300
  2. 2026-10-03 Alias added: GHSA-6qg7-x2gx-6jfr

References

Exploit 2

Patch 2

Advisory 3

Other 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences