CVE-2016-4300
7.8
HIGH
CVSS 3.1
EPSS 1.1%
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.
How to fix CVE-2016-4300
To remediate CVE-2016-4300, upgrade the affected package to a fixed version below.
- Alpine/libarchive—upgrade to 3.2.1-r0 or later
- —upgrade to 3.2.1-1 or later
Is CVE-2016-4300 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.2.1-r0
- from 0, < 3.2.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |