Is CVE-2016-4809 actively exploited?

CVE-2016-4809 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2016-4809?

CVE-2016-4809 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2016-4809?

Patch guidance is available from redhat security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-4809.

Fix CVE-2016-4809 - HIGH redhat enterprise linux desktop

Q: Which products are affected by CVE-2016-4809?

14 products: redhat enterprise linux desktop, redhat enterprise linux hpc node, redhat enterprise linux server, redhat enterprise linux workstation, redhat enterprise linux desktop, and 9 more.

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.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-20 · Improper Input Validation

Metadata

Primary Vendor: REDHAT
Published: 9/21/2016
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

redhat : enterprise_linux_desktopredhat : enterprise_linux_hpc_noderedhat : enterprise_linux_serverredhat : enterprise_linux_workstationredhat : enterprise_linux_desktopredhat : enterprise_linux_hpc_noderedhat : enterprise_linux_hpc_node_eusredhat : enterprise_linux_serverredhat : enterprise_linux_server_ausredhat : enterprise_linux_server_eusredhat : enterprise_linux_workstationoracle : linuxoracle : linuxlibarchive : libarchive

Remediation Guidance

Executive Summary

View on NIST NVD