CVE-2022-4121

In libetpan a null pointer dereference in mailimapmailboxdatastatusfree in low-level/imap/mailimap_types.c was found that could lead to a remote denial of service or other potential consequences.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4121.json",
    "cwe_ids": [
        "CWE-476"
    ],
    "cna_assigner": "fedora"
}

References

Affected packages

Git / github.com/dinhvh/libetpan

Affected ranges

Type

GIT

Repo

https://github.com/dinhvh/libetpan

Events

Introduced

Fixed

5c9eb6b6ba64c4eb927d7a902317410181aacbba

Database specific

{
    "source": "REFERENCES"
}

Affected versions

1.*

1.2

1.2.pre1

1.3.pre1

1.3.pre2

1.4

1.4.1

1.5

1.6

1.7

1.7.2

1.8

1.9

1.9.1

1.9.2

1.9.3

1.9.4

Database specific

vanir_signatures_modified

"2026-05-19T01:02:33Z"

vanir_signatures

[
    {
        "target": {
            "file": "src/low-level/imap/mailimap_types.c"
        },
        "id": "CVE-2022-4121-8617888f",
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "136831056444614702227994890874989346641",
                "233555195180992856129876808962010765212",
                "227297486306222081593934099300875992174",
                "151753167177528426618876804658110624934",
                "1518586767663395309298773587518611515",
                "57999528091877116686262183161860171780"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba",
        "deprecated": false
    },
    {
        "target": {
            "file": "src/low-level/imap/mailimap_types.c",
            "function": "mailimap_mailbox_data_status_free"
        },
        "id": "CVE-2022-4121-b7128ed4",
        "signature_type": "Function",
        "digest": {
            "function_hash": "56817472293002076795102714728266123810",
            "length": 211.0
        },
        "signature_version": "v1",
        "source": "https://github.com/dinhvh/libetpan/commit/5c9eb6b6ba64c4eb927d7a902317410181aacbba",
        "deprecated": false
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-4121.json"