CVE-2006-0738: n/a vulnerability

CVE-2006-0738: Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of...

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).

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 16:48 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2006-0738 is a remote denial-of-service issue in the eStara SIP softphone. A malformed SIP call invitation could make the softphone hang. Business impact is mainly disruption to users or call-handling workflows that still depend on this legacy client. Exposure is likely limited to environments that still run the eStara SIP softphone and allow it to receive SIP INVITE traffic. The source bundle does not identify affected versions, supported platforms, or whether server-side SIP systems are affected. Treat this as a legacy exposure cleanup item unless eStara SIP softphone supports active business communications. Prioritize removal or isolation if internet-facing or reachable by untrusted SIP sources. Mitigation focus: Inventory endpoints for eStara SIP softphone installations.; Check archived vendor or advisory guidance for patches or supported replacements.; Restrict SIP traffic to trusted peers where operationally feasible..

Prepared: Jun 29, 2026, 14:34 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 17, 2006, 01:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
estara-sdp-format-string(24678)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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