CVE-2017-16875 Integer overflow in n/a
An attacker can trigger an integer overflow in PJSIP's ioqueue component via specific socket sequences, causing a denial of service by rejecting future key registrations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-16875?
CVE-2017-16875 is a high-severity vulnerability in n/a, published on 17 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Teluu pjproject (pjlib and pjlib-util) in PJSIP before 2.7.1. The ioqueue component may issue a double key unregistration after an attacker initiates a socket connection with specific settings and sequences. Such double key unregistration will trigger an integer overflow, which may cause ioqueue backends to reject future key registrations.
Which versions are affected by CVE-2017-16875?
It affects 1 product.
Products include Teluu Pjsip.
How do I fix CVE-2017-16875?
Upgrade to a fixed version.
Is CVE-2017-16875 being exploited?
There is no known exploitation of CVE-2017-16875 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2023-38703 PJSIP has use-after-free vulnerability in SRTP media transport
- CVE-2022-39269 Media transport downgrade from the secure version (SRTP) to non-secure (RTP) in pjsip
- CVE-2026-57161 PJSIP: Stack overflow handling Service-Route headers in a registration response
- CVE-2026-57162 PJSIP: Stack overflow parsing SDP a=crypto attributes
- CVE-2026-57163 PJSIP: Stack overflow parsing a TLS peer certificate's SubjectAltName in GnuTLS backend
Sources
Also known as GHSA-qw72-xqg4-c435, UBUNTU-CVE-2017-16875.