CVE-2017-16820

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Source
https://cve.org/CVERecord?id=CVE-2017-16820
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-16820.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-16820
Downstream
Published
2017-11-14T21:29:00Z
Modified
2026-08-18T11:36:03Z
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

The csnmp_read_table function in snmp.c in the SNMP plugin in collectd before 5.6.3 is susceptible to a double free in a certain error case, which could lead to a crash (or potentially have other impact).

References

Affected packages

Git / github.com/collectd/collectd

Affected ranges

Type
GIT
Repo
https://github.com/collectd/collectd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
a46c9c8d8847d2c5cd742e3c2c8bcea61ccef83f
Fixed
d16c24542b2f96a194d43a73c2e5778822b9cb47
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:collectd:collectd:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "5.6.3"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

collectd-2.*
collectd-2.0.1
collectd-3.*
collectd-3.10.0
collectd-3.7.0
collectd-4.*
collectd-4.0.0
collectd-4.0.0-rc10
collectd-4.0.0-rc4
collectd-4.0.0-rc6
collectd-4.0.0-rc7
collectd-4.0.0-rc8
collectd-4.1.0
collectd-4.1.1
collectd-4.10.0
collectd-4.2.0
collectd-4.3.0
collectd-4.3.0beta0
collectd-4.3.0beta1
collectd-4.6.0
collectd-5.*
collectd-5.0.0-beta0
collectd-5.0.0-beta1
collectd-5.1.0
collectd-5.2.0
collectd-5.3.0
collectd-5.5.0
collectd-5.6.0
collectd-5.6.1
collectd-5.6.2

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-16820.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
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                "223850489760899566995195626923488144771"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2017-16820-a741bd8b",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47",
        "target":  {
            "file":  "src/snmp.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "214644603704358171524915980156585427134",
            "length":  5165
        },
        "id":  "CVE-2017-16820-b860da9e",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47",
        "target":  {
            "file":  "src/snmp.c",
            "function":  "csnmp_read_table"
        }
    }
]
vanir_signatures_modified 
"2026-08-18T11:36:03Z"