Read the docs
TI-2006-00717 Aliases CVE-2006-0738GHSA-w77f-7cjw-q58r

Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to…

Priority LOW 28Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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).

Why it matters now

EPSS 0.03111 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:estara:softphone:*:*:*:*:*:*:*:*up to 3.0.1.47VulnerableEstara
  • cpe:2.3:a:estara:softphone:*:*:*:*:*:*:*:* Versions up to 3.0.1.47 Vulnerable ·Estara

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-0738
  2. 2026-10-03 Alias added: GHSA-w77f-7cjw-q58r

References

Other 1

  • TI-2006-00180 Buffer overflow in eStara Softphone 3.0.1.14 through 3.0.1.46 allows remote attackers to… CVSS 2.0HIGH 7.5
  • TI-2006-00716 eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a… CVSS 2.0MEDIUM 5.0
  • TI-2006-00718 eStara SIP softphone allows remote attackers to cause a denial of service (crash) via an… CVSS 2.0MEDIUM 5.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences