CVE-2018-16839

Source
https://cve.org/CVERecord?id=CVE-2018-16839
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16839.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-16839
Aliases
Downstream
Related
Published
2018-10-31T18:29:00.230Z
Modified
2026-04-11T12:27:54.988584Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.

References

Affected packages

Git / github.com/curl/curl

Affected ranges

Type
GIT
Repo
https://github.com/curl/curl
Events
Introduced
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Fixed
Database specific
{
    "versions": [
        {
            "introduced": "7.33.0"
        },
        {
            "last_affected": "7.61.1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "8.0"
        }
    ]
}

Affected versions

Other
curl-7_33_0
curl-7_34_0
curl-7_35_0
curl-7_36_0
curl-7_37_0
curl-7_37_1
curl-7_38_0
curl-7_39_0
curl-7_40_0
curl-7_41_0
curl-7_42_0
curl-7_43_0
curl-7_44_0
curl-7_45_0
curl-7_46_0
curl-7_47_0
curl-7_47_1
curl-7_48_0
curl-7_49_0
curl-7_49_1
curl-7_50_0
curl-7_50_1
curl-7_50_2
curl-7_50_3
curl-7_51_0
curl-7_52_0
curl-7_52_1
curl-7_53_0
curl-7_53_1
curl-7_54_0
curl-7_54_1
curl-7_55_0
curl-7_55_1
curl-7_56_0
curl-7_56_1
curl-7_57_0
curl-7_58_0
curl-7_59_0
curl-7_60_0
curl-7_61_0
curl-7_61_1
curl-7_62_0
curl-7_63_0
curl-7_64_0
curl-7_64_1
curl-7_65_0
curl-7_65_1
curl-7_65_2
curl-7_65_3
curl-7_66_0
curl-7_67_0
curl-7_68_0
curl-7_69_0
curl-7_69_1
curl-7_70_0
curl-7_71_0
curl-7_71_1
curl-7_72_0
curl-7_73_0
curl-7_74_0
curl-7_75_0
curl-7_76_0
curl-7_76_1
curl-7_77_0
curl-7_78_0
curl-7_79_0
curl-7_79_1
curl-7_80_0
curl-7_81_0
curl-7_82_0
curl-7_83_0
curl-7_83_1
curl-7_84_0
curl-7_85_0
curl-7_86_0
curl-7_87_0
curl-7_88_0
curl-7_88_1
curl-8_0_0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16839.json"
unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.10"
            }
        ]
    }
]
vanir_signatures_modified
"2026-04-11T12:27:54Z"
vanir_signatures
[
    {
        "id": "CVE-2018-16839-226b7354",
        "signature_version": "v1",
        "deprecated": false,
        "target": {
            "file": "lib/vauth/cleartext.c"
        },
        "source": "https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5",
        "signature_type": "Line",
        "digest": {
            "line_hashes": [
                "323405508741544077634728860040609514286",
                "223299084025646397460911356647096920855",
                "237287603532771469400165005710548925177",
                "294262302604077010113878498613345104589"
            ],
            "threshold": 0.9
        }
    },
    {
        "id": "CVE-2018-16839-98aef08a",
        "signature_version": "v1",
        "deprecated": false,
        "target": {
            "function": "Curl_auth_create_plain_message",
            "file": "lib/vauth/cleartext.c"
        },
        "source": "https://github.com/curl/curl/commit/f3a24d7916b9173c69a3e0ee790102993833d6c5",
        "signature_type": "Function",
        "digest": {
            "length": 711.0,
            "function_hash": "307941837594799485192212106034451078774"
        }
    }
]