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Fencer Vulns
medium 6.5

CVE-2017-14166 json

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 cr…

published 2017-09-06 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-5676

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

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.

Patch / fix

  • libarchive Debian 14, Debian 13, Debian 12 3.2.2-3.1

debian advisories DEBIAN-CVE-2017-14166

  • libarchive Ubuntu 14.04 LTS 3.1.2-7ubuntu2.6
  • libarchive Ubuntu 16.04 LTS 3.1.2-11ubuntu0.16.04.4

ubuntu advisories UBUNTU-CVE-2017-14166

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libarchive RHEL 8 3.3.3-1.el8
  • bsdtar RHEL 8 3.3.3-1.el8

red hat advisories RHEA-2021:1580

  • libarchive SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +10 more 3.3.3-3.14.1
  • libarchive SLES 12 SP4, SLES 12 SP3, SLED 12 SP4 +5 more 3.1.2-26.3.1

suse advisories SUSE-RU-2021:2757-1SUSE-SU-2018:3640-2SUSE-SU-2018:3640-1

  • bsdtar openSUSE Tumbleweed 3.5.1-1.5

opensuse advisories openSUSE-SU-2024:10925-1

  • libarchive Alpine 3.24, Alpine 3.23, Alpine 3.22 +15 more 3.3.2-r1
  • libarchive Alpine 3.4 3.2.2-r1
  • libarchive Alpine 3.6, Alpine 3.5 3.3.1-r2

alpine advisories ALPINE-CVE-2017-14166

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-14166 updated cvss 3.3

libarchive: Heap-based buffer over-read in the atol8 function

  • Red Hat Enterprise Linux 6 libarchive Red Hat Enterprise Linux 7 bsdtar, bsdcpio, libarchive
    affected: no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder (v. 8) bsdcat-debuginfo 3.3.3-1.el8, bsdtar-debuginfo 3.3.3-1.el8, libarchive-devel 3.3.3-1.el8, bsdcpio-debuginfo 3.3.3-1.el8, libarchive-debuginfo 3.3.3-1.el8, libarchive-debugsource 3.3.3-1.el8 Red Hat Enterprise Linux BaseOS (v. 8) bsdtar 3.3.3-1.el8, libarchive 3.3.3-1.el8
    fixed: vendor fix RHEA-2021:1580

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.77% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.