Skip to content
Fencer Intel
medium 5.5

CVE-2016-10209 json

The archive_wstring_append_from_mbs function in archive_string.c in libarchive 3.2.2 allows remote attackers to cause a denial of service (…

published 2017-04-03 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1394

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

The archive_wstring_append_from_mbs function in archive_string.c in libarchive 3.2.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive file.

Patch / fix

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

debian advisories DEBIAN-CVE-2016-10209

  • 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-2016-10209

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 SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +4 more 3.1.2-26.6.1
  • libarchive SLES 12 SP4, SLES 12 SP3, SLED 12 SP4 +5 more 3.1.2-26.3.1

suse advisories SUSE-SU-2019:3092-1SUSE-SU-2018:3640-2SUSE-SU-2018:3640-1

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-2016-10209 updated cvss 3.3

libarchive: NULL pointer dereference in archive_wstring_append_from_mbs function

  • Red Hat Enterprise Linux 6 libarchive Red Hat Enterprise Linux 7 bsdtar, bsdcpio, libarchive
    affected: no fix planned “Will not fix”

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

1.91% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/libarchive/libarchive/issues/842 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/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 Intel 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.