Portable UPnP SDK (aka libupnp) 1.12.1 and earlier allows remote attackers to cause a denial of service (crash) via a crafted SSDP message due to a NULL pointer dereference in the functions FindServiceControlURLPath and FindServiceEventURLPath in genlib/service_table/service_table.c.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016655 advisory.

    Portable UPnP SDK (aka libupnp) 1.12.1 and earlier allows remote attackers to cause a denial of service     (crash) via a crafted SSDP message due to a NULL pointer dereference in the functions     FindServiceControlURLPath and FindServiceEventURLPath in genlib/service_table/service_table.c.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Portable UPnP SDK (aka libupnp) 1.12.1 and earlier allows remote attackers to cause a denial of service     (crash) via a crafted SSDP message due to a NULL pointer dereference in the functions     FindServiceControlURLPath and FindServiceEventURLPath in genlib/service_table/service_table.c.
    (CVE-2020-13848)

Note that Nessus relies on the presence of the package as reported by the vendor.

libupnp, the portable SDK for UPnP Devices allows remote attackers to cause a denial of service (crash) via a crafted SSDP message due to a NULL pointer dereference in the functions FindServiceControlURLPath and FindServiceEventURLPath in genlib/service_table/service_table.c.

For Debian 9 stretch, this problem has been fixed in version 1:1.6.19+git20160116-1.2+deb9u1.

We recommend that you upgrade your libupnp packages.

For the detailed security status of libupnp please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libupnp

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

CVE mitre reports :

Portable UPnP SDK (aka libupnp) 1.12.1 and earlier allows remote attackers to cause a denial of service (crash) via a crafted SSDP message due to a NULL pointer dereference in the functions FindServiceControlURLPath and FindServiceEventURLPath in genlib/service_table/service_table.c.

This update for libupnp fixes the following issues :

  - CVE-2020-13848: A NULL ptr denial of service via crafted     SSDP message was fixed (boo#1172625)

libupnp, the portable SDK for UPnP Devices allows remote attackers to cause a denial of service (crash) via a crafted SSDP message due to a NULL pointer dereference in the functions FindServiceControlURLPath and FindServiceEventURLPath in genlib/service_table/service_table.c.
This crash can be triggered by sending a malformed SUBSCRIBE or UNSUBSCRIBE using any of the attached files.

For Debian 8 'Jessie', this problem has been fixed in version 1.6.19+git20141001-1+deb8u2.

We recommend that you upgrade your libupnp packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
316269	Unity Linux 20.1060e / 20.1070e Security Update: libupnp (UTSA-2026-016655)	Nessus	Unity Linux Local Security Checks	high
223223	Linux Distros Unpatched Vulnerability : CVE-2020-13848	Nessus	Misc.	high
147187	Debian DLA-2585-1 : libupnp security update	Nessus	Debian Local Security Checks	high
141147	FreeBSD : upnp -- denial of service (crash) (a23871f6-059b-11eb-8758-e0d55e2a8bf9)	Nessus	FreeBSD Local Security Checks	high
138683	openSUSE Security Update : libupnp (openSUSE-2020-805)	Nessus	SuSE Local Security Checks	high
137247	Debian DLA-2238-1 : libupnp security update	Nessus	Debian Local Security Checks	high

Detections

Analytics

CVE-2020-13848

high

Tenable Plugins

high

high

high

high

high

high