CVE-2016-8863

critical
Published 2017-03-07 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

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.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog

OS impact

OSVersionStatusFixed in
debian debian8.0affected

Application impact

VendorProductVersionsFixed
libupnp_projectlibupnp{"endIncluding":"1.6.20"}

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.