Is CVE-2016-4300 actively exploited?

CVE-2016-4300 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2016-4300?

CVE-2016-4300 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-4300?

Patch guidance is available from libarchive security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-4300.

Fix CVE-2016-4300 - HIGH libarchive libarchive

Q: Which products are affected by CVE-2016-4300?

8 products: libarchive libarchive, redhat enterprise linux desktop, redhat enterprise linux hpc node, redhat enterprise linux hpc node eus, redhat enterprise linux server, and 3 more.

Description

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.

CVSS Metrics

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-190 · Integer Overflow

Metadata

Primary Vendor: LIBARCHIVE
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

libarchive : libarchiveredhat : 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_workstation

Remediation Guidance

Executive Summary

View on NIST NVD