CVE-2017-14166

Name: CVE-2017-14166
Creator: NVD / NIST
Published: 2017-09-06T18:29:00.273+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.34%

Last modified Jun 17, 2026

CVE-2017-14166 is a vulnerability of currently unknown severity. libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.. EPSS estimates a 3.34% chance of exploitation in the next 30 days.

Description

libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.

Metrics

EPSS Probability

3.34%

87.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Libarchive	Libarchive	3.3.2
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04

References

https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/Patch, Third Party Advisory
https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201908-11
https://usn.ubuntu.com/3736-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4360Third Party Advisory
https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/Patch, Third Party Advisory
https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201908-11
https://usn.ubuntu.com/3736-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4360Third Party Advisory

Timeline

Published: Sep 6, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14166?

How severe is CVE-2017-14166?

Severity scoring for CVE-2017-14166 is pending analysis. The EPSS model estimates a 3.34% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14166?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14166?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST