{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-41991",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries. The code attempts to select a less-often-used cache entry by means of a random number generator, but this is not done correctly. Remote code execution might be a slight possibility."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://github.com/strongswan/strongswan/releases/tag/5.9.4",
                "url": "https://github.com/strongswan/strongswan/releases/tag/5.9.4"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-(cve-2021-41991).html",
                "url": "https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-(cve-2021-41991).html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4989",
                "url": "https://www.debian.org/security/2021/dsa-4989"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211019 [SECURITY] [DLA 2788-1] strongswan security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00014.html"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-0b37146973",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5FJSATD2R2XHTG4P63GCMQ2N7EWKMME5/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-b3df83339e",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WQSQ3BEC22NF4NCDZVCT4P3Q2ZIAJXGJ/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-95fab6a482",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y3TQ32JLJOBJDB2EJKSX2PBPB5NFG2D4/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf"
            }
        ]
    }
}