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Vulnerability record · CVE-2016-8863 · published 7 March 2017

CVE-2016-8863: Libupnp project libupnp memory buffer overflow vulnerability

LLibupnp Project · Libupnp

Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a valid URI followed by an invalid one in the CALLBACK header of an SUBSCRIBE request.

9.8 CVSS 3.0 Critical EPSS 8.5% · top 5.2% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
8.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the create_url_list function in gena/gena_device.c in Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a valid URI followed by an invalid one in the CALLBACK header of an SUBSCRIBE request.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/92849
https://security.gentoo.org/glsa/201701-52
https://sourceforge.net/p/pupnp/bugs/133/ Issue TrackingThird Party Advisory
https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog Release NotesThird Party Advisory
https://www.debian.org/security/2016/dsa-3736 Third Party Advisory
https://www.tenable.com/security/research/tra-2017-10
http://www.securityfocus.com/bid/92849
https://security.gentoo.org/glsa/201701-52
https://sourceforge.net/p/pupnp/bugs/133/ Issue TrackingThird Party Advisory
https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog Release NotesThird Party Advisory
https://www.debian.org/security/2016/dsa-3736 Third Party Advisory
https://www.tenable.com/security/research/tra-2017-10

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Source: NIST National Vulnerability Database (record CVE-2016-8863), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.