An issue was discovered in NeoMutt before 2018-07-16. nntp.c proceeds even if memory allocation fails for messages data.
[
    {
        "signature_version": "v1",
        "source": "https://github.com/neomutt/neomutt/commit/9e927affe3a021175f354af5fa01d22657c20585",
        "digest": {
            "function_hash": "65754298327875055328603327847825004910",
            "length": 4515.0
        },
        "target": {
            "function": "nntp_fetch_headers",
            "file": "nntp.c"
        },
        "id": "CVE-2018-14361-86cd8676",
        "deprecated": false,
        "signature_type": "Function"
    },
    {
        "signature_version": "v1",
        "source": "https://github.com/neomutt/neomutt/commit/9e927affe3a021175f354af5fa01d22657c20585",
        "digest": {
            "line_hashes": [
                "70948069494448020685043278740023932625",
                "326212001821126899607384480751250419625",
                "208724490051552439433243671465428239232",
                "134683865800848934079918143847763638625"
            ],
            "threshold": 0.9
        },
        "target": {
            "file": "nntp.c"
        },
        "id": "CVE-2018-14361-d113c8cf",
        "deprecated": false,
        "signature_type": "Line"
    }
]