{"cve":"CVE-2023-27597","nvd":{"published":"2023-03-15T21:15:09.057","modified":"2026-06-17T05:45:33.153","status":"Modified","description":"OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Prior to versions 3.1.8 and 3.2.5, when a specially crafted SIP message is processed by the function `rewrite_ruri`, a crash occurs due to a segmentation fault. This issue causes the server to crash. It affects configurations containing functions that make use of the affected code, such as the function `setport`. This issue has been fixed in version 3.1.8 and 3.2.5.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["https://github.com/OpenSIPS/opensips/commit/b2dffe4b5cd81182c9c8eabb6c96aac96c7acfe3","https://github.com/OpenSIPS/opensips/security/advisories/GHSA-358f-935m-7p9c","https://github.com/OpenSIPS/opensips/commit/b2dffe4b5cd81182c9c8eabb6c96aac96c7acfe3","https://github.com/OpenSIPS/opensips/security/advisories/GHSA-358f-935m-7p9c"],"products":["opensips:opensips"],"source":"nvd","synced_at":"2026-10-19T21:37:41.955480748+00:00"},"epss":{"cve":"CVE-2023-27597","score":0.00738,"percentile":0.54534,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}