https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2006-0739.htmlhttps://patchthecve.com/cve/CVE-2006-0739.htmlTue, 16 Jun 2026 22:21:11 +0000MEDIUM 5.0: eStara SIP softphone allows remote attackers to cause a denial of service (crash) via an INVITE request with a Content-Length field that has more than 9 digits.https://patchthecve.com/cve/CVE-2006-0738.htmlhttps://patchthecve.com/cve/CVE-2006-0738.htmlTue, 16 Jun 2026 22:21:11 +0000MEDIUM 5.0: 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 identifhttps://patchthecve.com/cve/CVE-2006-0737.htmlhttps://patchthecve.com/cve/CVE-2006-0737.htmlTue, 16 Jun 2026 22:21:10 +0000MEDIUM 5.0: eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.https://patchthecve.com/cve/CVE-2006-0189.htmlhttps://patchthecve.com/cve/CVE-2006-0189.htmlTue, 16 Jun 2026 22:20:04 +0000HIGH 7.5: Buffer overflow in eStara Softphone 3.0.1.14 through 3.0.1.46 allows remote attackers to execute arbitrary code via a long attribute (aka "a") field in the SDP data of a SIP packet on UDP port 5060.