CVE-2016-10196

Stack-based buffer overflow in the evutilparsesockaddrport function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ipas_string argument.

Database specific

{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "2.1.5"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "fixed": "45.9.0"
                },
                {
                    "fixed": "53.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:a:mozilla:firefox:52.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "52.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "fixed": "52.1.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/libevent/libevent

Affected ranges

Type

GIT

Repo

https://github.com/libevent/libevent

Events

Introduced

Fixed

a73fb2f443ebf9687ee6ca81a6401d1f3751683f

Fixed

329acc18a0768c21ba22522f01a5c7f46cacc4d5

Database specific

{
    "source": [
        "DESCRIPTION",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.1.6-beta"
        }
    ]
}

Affected versions

release-1.*

release-1.1b

release-2.*

release-2.0.1-alpha

release-2.0.10-stable

release-2.0.3-alpha

release-2.0.4-alpha

release-2.0.5-beta

release-2.0.6-rc

release-2.0.7-rc

release-2.0.8-rc

release-2.0.9-rc

release-2.1.1-alpha

release-2.1.2-alpha

release-2.1.3-alpha

release-2.1.4-alpha

release-2.1.5-beta

Database specific

vanir_signatures_modified

"2026-04-11T19:42:50Z"

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-10196.json"

vanir_signatures

[
    {
        "target": {
            "file": "evutil.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "150950762839313443854128451278399393403",
                "156066307512493417114155182452196228317",
                "284286474332607600344405972541101859336",
                "213310763593689227919181651068431535940",
                "123729570573793670263357540440117772099",
                "2756236998268050881793369281074788681",
                "154193229467838285812135636366529729055",
                "160986861496127588749569741143093255020",
                "4382978669650176026683552117197548399"
            ]
        },
        "id": "CVE-2016-10196-27612800",
        "source": "https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5",
        "signature_type": "Line"
    },
    {
        "target": {
            "function": "evutil_parse_sockaddr_port",
            "file": "evutil.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 1955.0,
            "function_hash": "243983321357223491177841111507201921392"
        },
        "id": "CVE-2016-10196-e69ca298",
        "source": "https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5",
        "signature_type": "Function"
    }
]