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

eeea396e88da26f586a7cc39df8017ab97f06939

Database specific

Show details

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

Affected versions

v2.*

v2.1.10

v2.1.8

v2.1.9

v2.2.0

v2.2.1

Database specific

source

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

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "90865790075703438584142393902364139823",
            "length":  691
        },
        "id":  "CVE-2024-23722-27e68006",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/fluent/fluent-bit/commit/eeea396e88da26f586a7cc39df8017ab97f06939",
        "target":  {
            "file":  "src/flb_upstream.c",
            "function":  "flb_upstream_get_config_map"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "196706539075106722453368834425070508054",
                "62325780143851676895493442942001382677",
                "94938995160657019790147823397126362843",
                "96065083874535148937582944090435424693",
                "117155197622869367373911434048430969643",
                "103673809473509712992075559884504640914",
                "197625340215341840432280228690740430689"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2024-23722-c0137009",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/fluent/fluent-bit/commit/eeea396e88da26f586a7cc39df8017ab97f06939",
        "target":  {
            "file":  "src/flb_upstream.c"
        }
    }
]

vanir_signatures_modified

"2026-10-28T10:40:20Z"