CVE-2006-0738
Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a...
Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of service (hang) via SIP INVITE requests with format string specifiers in the SDP session description, as demonstrated using (1) the field name, (2) the o field (owner/creator and session identifier), or (3) the m field (media name and transport address).
Exploit likelihood
What each source reports
NVD Score used
Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of service (hang) via SIP INVITE requests with format string specifiers in the SDP session description, as demonstrated using (1) the field name, (2) the o field (owner/creator and session identifier), or (3) the m field (media name and transport address).
- Record
CVE-2006-0738- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of service (hang) via SIP INVITE requests with format string specifiers in the SDP session description, as demonstrated using (1) the field name, (2) the o field (owner/creator and session identifier), or (3) the m field (media name and transport address).
- Record
CVE-2006-0738- Updated
- 2026-11-02
EUVDEUVD-2006-0745 No score
Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of service (hang) via SIP INVITE requests with format string specifiers in the SDP session description, as demonstrated using (1) the field name, (2) the o field (owner/creator and session identifier), or (3) the m field (media name and transport address).
- Record
EUVD-2006-0745- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w77f-7cjw-q58r No score
Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a...
Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of service (hang) via SIP INVITE requests with format string specifiers in the SDP session description, as demonstrated using (1) the field name, (2) the o field (owner/creator and session identifier), or (3) the m field (media name and transport address).
- Record
GHSA-w77f-7cjw-q58r- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | eStara SoftPhone 3.0.1 - SIP SDP Message Handling Format String Denial of Service | 2006-02-14 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-0738 is a medium vulnerability (CVSS 5.0) in Estara Softphone, published February 17, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.11%, the 87th percentile. No source names a fixed version.