CVE-2016-10195

The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.

Database specific

{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:a:libevent_project:libevent:*:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "last_affected":  "2.1.5"
                }
            ],
            "source":  "CPE_RANGE",
            "vendor_product":  "libevent_project:libevent"
        },
        {
            "cpes":  [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "8.0"
                },
                {
                    "last_affected":  "8.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "debian:debian_linux"
        }
    ]
}

References

Affected packages

Git / github.com/libevent/libevent

Affected ranges

Type

GIT

Repo

https://github.com/libevent/libevent

Events

Introduced

Fixed

a73fb2f443ebf9687ee6ca81a6401d1f3751683f

Fixed

96f64a022014a208105ead6c8a7066018449d86d

Database specific

Show details

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

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

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-10195.json"

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "230810917948425696078014435790478542403",
            "length":  877
        },
        "id":  "CVE-2016-10195-3b821893",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86d",
        "target":  {
            "file":  "evdns.c",
            "function":  "name_parse"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "106612348666783545995288764119330317910",
                "99528596204269176743159437588130556516",
                "276937442475470391917172913239826145816",
                "317810233472634170587977236046065416806",
                "290818586757130838086385828498896856792",
                "91027287075917707334482351230775769010",
                "181903107053888778292821972103149648024",
                "197407190961813361629789264615431293682"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2016-10195-87e11fd7",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/libevent/libevent/commit/96f64a022014a208105ead6c8a7066018449d86d",
        "target":  {
            "file":  "evdns.c"
        }
    }
]

vanir_signatures_modified

"2026-10-06T07:02:34Z"