CVE-2016-4300

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Sep 21, 2016
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2016-4300: High severity, CVSS 7.8 | Vulnix