CVE-2026-31427 netfilter: nf_conntrack_sip: fix use of uninitialized rtp_addr in process_sdp

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: fix use of uninitialized rtpaddr in processsdp processsdp declares union nfinetaddr rtpaddr on the stack and passes it to the nfnatsip sdpsession hook after walking the SDP media descriptions. However...

CVE-2026-39864

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.0.5 and 5.8.7, an out-of-bounds read in the auth module of Kamailio formerly OpenSER and SER allows remote attackers to cause a denial of service process crash via a specially crafted SIP packet if a successful user...

CVE-2026-39864

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.0.5 and 5.8.7, an out-of-bounds read in the auth module of Kamailio formerly OpenSER and SER allows remote attackers to cause a denial of service process crash via a specially crafted SIP packet if a successful user...

CVE-2026-39864 Kamailio Auth: Processing Vulnerability For Additional Authenticated User Identity Checks

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.0.5 and 5.8.7, an out-of-bounds read in the auth module of Kamailio formerly OpenSER and SER allows remote attackers to cause a denial of service process crash via a specially crafted SIP packet if a successful user...

CVE-2026-39864 Kamailio Auth: Processing Vulnerability For Additional Authenticated User Identity Checks

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.0.5 and 5.8.7, an out-of-bounds read in the auth module of Kamailio formerly OpenSER and SER allows remote attackers to cause a denial of service process crash via a specially crafted SIP packet if a successful user...

CVE-2026-39864

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.0.5 and 5.8.7, an out-of-bounds read in the auth module of Kamailio formerly OpenSER and SER allows remote attackers to cause a denial of service process crash via a specially crafted SIP packet if a successful user...

Exploit for Classic Buffer Overflow in Pjsip

CVE-2026-25994 – PJNATH ICE Stack Buffer Overflow pjsip ≤ 2.16...

SUSE CVE-2026-23457

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: fix Content-Length u32 truncation in siphelptcp siphelptcp parses the SIP Content-Length header with simplestrtoul, which returns unsigned long, but stores the result in unsigned int clen. On 64-bit...

PT-2026-30151

Name of the Vulnerable Software and Affected Versions The Linux kernel affected versions not specified Description A flaw exists in the sip help tcp function within the netfilter module. This function parses the SIP Content-Length header using simple strtoul, which returns an unsigned long, but...

Ubuntu 16.04 LTS / 18.04 LTS : PJSIP vulnerabilities (USN-8122-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8122-1 advisory. Youngsung Kim discovered that PJSIP did not properly parse numeric header fields in SIP messages. A remote attacker could use this issue to...

DEBIAN-CVE-2026-33069

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a cascading out-of-bounds heap read in pjsipmultipartparse. After boundary string matching, curptr is advanced past the delimiter without verifying it has not reached the buffer end. This...

ALPINE-CVE-2026-33069

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a cascading out-of-bounds heap read in pjsipmultipartparse. After boundary string matching, curptr is advanced past the delimiter without verifying it has not reached the buffer end. This...

CVE-2026-33069

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a cascading out-of-bounds heap read in pjsipmultipartparse. After boundary string matching, curptr is advanced past the delimiter without verifying it has not reached the buffer end. This...

CVE-2026-33069

PJSIP versions 2.16 and earlier are affected by a cascading out-of-bounds heap read in pjsip_multipart_parse(), where after boundary matching curptr is advanced past the delimiter without ensuring it is within the buffer, allowing 1–2 bytes of adjacent heap memory to be read. This affects applica...

CVE-2026-33069

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a cascading out-of-bounds heap read in pjsipmultipartparse. After boundary string matching, curptr is advanced past the delimiter without verifying it has not reached the buffer end. This...

EUVD-2026-9270

An embedded test key and certificate could be extracted from a Poly Voice device using specialized reverse engineering tools. This extracted certificate could be accepted by a SIP service provider if the service provider does not perform proper validation of the device certificate...

CVE-2026-0754 SIP Service Providers – Possible Impersonation of Poly Voice Device

An embedded test key and certificate could be extracted from a Poly Voice device using specialized reverse engineering tools. This extracted certificate could be accepted by a SIP service provider if the service provider does not perform proper validation of the device certificate...

CVE-2026-0754 SIP Service Providers – Possible Impersonation of Poly Voice Device

An embedded test key and certificate could be extracted from a Poly Voice device using specialized reverse engineering tools. This extracted certificate could be accepted by a SIP service provider if the service provider does not perform proper validation of the device certificate...

CVE-2026-0754

The CVE describes a vulnerability in Poly Voice devices where an embedded test key and certificate can be extracted via reverse engineering. If a SIP service provider does not properly validate device certificates, the extracted certificate could be accepted, enabling impersonation of the Poly Vo...

GrandStream GXP1600 proxy SIP traffic

This capture module works against Grandstream GXP1600 series VoIP devices and can reconfigure the device to use an arbitrary SIP proxy. You can first leverage the exploit/linux/http/grandstreamgxp1600unauthrce exploit module to get a root session on a target GXP1600 series device before running...