CVE-2016-4809
7.5
HIGH
CVSS 3.1
EPSS 3.1%
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.
How to fix CVE-2016-4809
To remediate CVE-2016-4809, upgrade the affected package to a fixed version below.
- Alpine/libarchive—upgrade to 3.2.1-r0 or later
- Debian/libarchive—upgrade to 3.2.1-1 or later
Is CVE-2016-4809 being exploited?
Low — EPSS is 3.1%, 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 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |