CVE-2016-4300

libarchive: Heap buffer overflow vulnerability in the 7zip read_SubStreamsInfo

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Severity

Moderate

Red Hat Product Security

8.4

CVSS 3.0

Review impact separately from score.

Published · June 19, 2016

Updated · November 21, 2025

Description

A vulnerability was found in libarchive's handling of 7zip data. A specially crafted 7zip file can cause a integer overflow resulting in memory corruption that can lead to code execution.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 8.4
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

CVSS 2.0 · 6
AV:N/AC:M/Au:S/C:P/I:P/A:P

CWE-122 · Heap-based Buffer Overflow