Openser is a SIP proxy and session control platform that, despite a narrow product footprint centered on the Openser core and its OSP module, occupies a specialized but prominent role in VoIP infrastructure. The durable signal in its disclosures centers on memory-buffer boundary violations and related low-level handling issues characteristic of telecommunications signaling software. Current severity, exploitation, and exposure metrics are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Openser over time
Signals from CVEs in this vendor scope (4 CVEs).
4 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2006-6749HIGH Buffer overflow in the parse_expression function in parse_config in OpenSER 1.1.0 allows attackers to have an unknown impact via a long str parameter. | Dec 27, 2006 | 9.3 | 23 | NO | NO |
CVE-2006-6875HIGH Buffer overflow in the validateospheader function in the Open Settlement Protocol (OSP) module in OpenSER 1.1.0 and earlier allows remote attackers to execute arbitrary code via a | Dec 31, 2006 | 7.5 | 20 | NO | NO |
CVE-2006-6876HIGH Buffer overflow in the fetchsms function in the SMS handling module (libsms_getsms.c) in OpenSER 1.2.0 and earlier allows remote attackers to cause a denial of service (crash) via | Dec 31, 2006 | 7.5 | 19 | NO | NO |
CVE-2007-5469MEDIUM OpenSER 1.2.2 does not verify the Digest authentication header URI against the Request URI in SIP messages, which allows remote attackers to use sniffed Digest authentication crede | Oct 16, 2007 | 5.0 | 15 | NO | NO |
Signals from CVEs in this vendor scope (4 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Openser.
Media articles that mention a CVE ID that affects a product developed by Openser — matched by CVE ID, not by vendor name.