CVE-2016-8863

9.8 criticalEPSS 8.6%

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.

Severity

CVSS 3.0

9.8 critical

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

EPSS: 8.6% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2017-03-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

debian:debian_linux
libupnp_project:libupnp

References

http://www.securityfocus.com/bid/92849
https://security.gentoo.org/glsa/201701-52
https://sourceforge.net/p/pupnp/bugs/133/
https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog
https://www.debian.org/security/2016/dsa-3736

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