{"cve":"CVE-2025-68274","nvd":{"published":"2025-12-16T22:15:50.830","modified":"2026-06-17T09:58:50.990","status":"Analyzed","description":"SIPGO is a library for writing SIP services in the GO language. Starting in version 0.3.0 and prior to version 1.0.0-alpha-1, a nil pointer dereference vulnerability is in the SIPGO library's `NewResponseFromRequest` function that affects all normal SIP operations. The vulnerability allows remote attackers to crash any SIP application by sending a single malformed SIP request without a To header. The vulnerability occurs when SIP message parsing succeeds for a request missing the To header, but the response creation code assumes the To header exists without proper nil checks. This affects routine operations like call setup, authentication, and message handling - not just error cases. This vulnerability affects all SIP applications using the sipgo library, not just specific configurations or edge cases, as long as they make use of the `NewResponseFromRequest` function. Version 1.0.0-alpha-1 contains a patch for the issue.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7},"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-476","CWE-755"],"references":["https://github.com/emiago/sipgo/commit/dc9669364a154ec6d134e542f6a63c31b5afe6e8","https://github.com/emiago/sipgo/security/advisories/GHSA-c623-f998-8hhv"],"products":["emiago:sipgo"],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2025-68274","score":0.00547,"percentile":0.45849,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c623-f998-8hhv","url":"https://osv.dev/vulnerability/GHSA-c623-f998-8hhv","summary":"SIPGO is Vulnerable to Response DoS via Nil Pointer Dereference","modified":"2026-02-22T23:19:58.219908Z","packages":[{"ecosystem":"Go","name":"github.com/emiago/sipgo","purl":"pkg:golang/github.com/emiago/sipgo","ranges":[">=0.3.0 <1.0.0-alpha-1"],"fixed":["1.0.0-alpha-1"]}]},{"id":"GO-2025-4244","url":"https://osv.dev/vulnerability/GO-2025-4244","summary":"SIPGO is Vulnerable to Response DoS via Nil Pointer Dereference in github.com/emiago/sipgo","modified":"2026-03-03T04:57:48.170722Z","packages":[{"ecosystem":"Go","name":"github.com/emiago/sipgo","purl":"pkg:golang/github.com/emiago/sipgo","ranges":["<1.0.0-alpha-1"],"fixed":["1.0.0-alpha-1"]}]}],"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."]}