CVE-2024-23722

In Fluent Bit 2.1.8 through 2.2.1, a NULL pointer dereference can be caused via an invalid HTTP payload with the content type of x-www-form-urlencoded. It crashes and does not restart. This could result in logs not being delivered properly.

Database specific

{
    "cna_assigner":  "mitre",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/23xxx/CVE-2024-23722.json"
}

References

Affected packages

Git / github.com/fluent/fluent-bit

Affected ranges

Type

GIT

Repo

https://github.com/fluent/fluent-bit

Events

Introduced

1d83649441e9e9fdbb5ba83bffca11ac4ac7b83c

Fixed

842a48223bdeb5da65db409eeb46b3f50acdcf7e

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "2.1.8"
        },
        {
            "fixed":  "2.2.1"
        },
        {
            "fixed":  "2.2.2"
        }
    ],
    "source":  [
        "DESCRIPTION",
        "CPE_RANGE"
    ]
}

Affected versions

v2.*

v2.1.10

v2.1.8

v2.1.9

v2.2.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-23722.json"

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "320431408164505883770738106810979250149",
            "length":  3664
        },
        "id":  "CVE-2024-23722-5f3ff68a",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/fluent/fluent-bit/commit/842a48223bdeb5da65db409eeb46b3f50acdcf7e",
        "target":  {
            "file":  "plugins/in_elasticsearch/in_elasticsearch_bulk_prot.c",
            "function":  "in_elasticsearch_bulk_prot_handle"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "12900398591467909537862406990407407153",
                "275611033061265301844402903244709894178",
                "218857048594049653399571228409886444707",
                "121297384569911770298713098067593796942"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2024-23722-7b1324aa",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/fluent/fluent-bit/commit/842a48223bdeb5da65db409eeb46b3f50acdcf7e",
        "target":  {
            "file":  "plugins/in_elasticsearch/in_elasticsearch_bulk_prot.c"
        }
    }
]

vanir_signatures_modified

"2026-08-12T14:52:08Z"