{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.7.7"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "369b3c187f0ff96f3ec9795650820e80cf17c776"
            },
            {
              "fixed": "1d4a5622bea34d0b5cdff333e6b5734608e30af7"
            }
          ],
          "repo": "https://github.com/sipp/sipp",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-121"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90779.json"
  },
  "details": "SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader() when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can send a crafted 401 or 407 challenge to corrupt the stack and crash the client process.",
  "id": "CVE-2026-90779",
  "modified": "2026-09-16T03:30:27.317990283Z",
  "published": "2026-09-13T11:42:28.431Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90779.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90779"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/sipp-through-3.7.7-stack-buffer-overflow-via-createauthheader-algorithm-parameter"
    },
    {
      "type": "FIX",
      "url": "https://github.com/SIPp/sipp/commit/1d4a5622bea34d0b5cdff333e6b5734608e30af7"
    },
    {
      "type": "FIX",
      "url": "https://github.com/SIPp/sipp/pull/880"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/SIPp/sipp"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/SIPp/sipp/blob/v3.7.7/src/auth.cpp#L183-L192"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter"
}