{"api_version":"1","generated_at":"2026-07-15T12:50:46+00:00","cve":"CVE-2023-28099","urls":{"html":"https://cve.report/CVE-2023-28099","api":"https://cve.report/api/cve/CVE-2023-28099.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-28099","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-28099"},"summary":{"title":"CVE-2023-28099","description":"OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.9 and 3.2.6, if `ds_is_in_list()` is used with an invalid IP address string (`NULL` is illegal input), OpenSIPS will attempt to print a string from a random address (stack garbage), which could lead to a crash. All users of `ds_is_in_list()` without the `$si` variable as 1st parameter could be affected by this vulnerability to a larger, lesser or no extent at all, depending if the data passed to the function is a valid IPv4 or IPv6 address string or not. 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