CVE-2023-4874

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Source
https://cve.org/CVERecord?id=CVE-2023-4874
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4874.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-4874
Downstream
ALSA (2)
AZL (1)
DEBIAN (1)
MGASA (1)
OESA (1)
openSUSE (1)
RHSA (2)
RLSA (2)
SUSE (2)
UBUNTU (1)
Related
ALSA (2)
openSUSE (1)
SUSE (2)
USN (1)
Published
2023-09-09T14:30:29Z
Modified
2026-10-24T14:16:58Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
Summary
Undefined Behavior for Input to API in Mutt
Details

Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12

Database specific 
{
    "cna_assigner": "GitLab",
    "cwe_ids": [
        "CWE-475"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4874.json"
}
References

Affected packages

Git / github.com/muttmua/mutt

Affected ranges

Type
GIT
Repo
https://github.com/muttmua/mutt
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0a81a2a7ca2b4f33ae686bdedecbbdfd54cd1aff
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "2.2.12"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}
Type
GIT
Repo
https://gitlab.com/muttmua/mutt
Events
Introduced
1d112937875b302458b173b2c5a192f351a2cfb9
Fixed
0a81a2a7ca2b4f33ae686bdedecbbdfd54cd1aff
Fixed
452ee330e094bfc7c9a68555e5152b1826534555
Fixed
a4752eb0ae0a521eec02e59e51ae5daedf74fda0
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "1.5.2"
                },
                {
                    "fixed": "2.2.12"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "fixed": "452ee330e094bfc7c9a68555e5152b1826534555"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "range": [
                {
                    "fixed": "a4752eb0ae0a521eec02e59e51ae5daedf74fda0"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

Other
mutt-0-92-10i
mutt-0-92-11i
mutt-0-92-9i
mutt-0-93-unstable
mutt-0-94-10i-rel
mutt-0-94-13-rel
mutt-0-94-14-rel
mutt-0-94-15-rel
mutt-0-94-16i-rel
mutt-0-94-17i-rel
mutt-0-94-18-rel
mutt-0-94-5i-rel
mutt-0-94-6i-rel
mutt-0-94-7i-rel
mutt-0-94-8i-rel
mutt-0-94-9i-p1
mutt-0-94-9i-rel
mutt-0-95-rel
mutt-0-96-1-rel
mutt-0-96-2-slightly-post-release
mutt-0-96-3-rel
mutt-0-96-4-rel
mutt-0-96-5-rel
mutt-0-96-6-rel
mutt-0-96-7-rel
mutt-0-96-8-rel
mutt-0-96-rel
mutt-1-1-1-1-rel
mutt-1-1-1-2-rel
mutt-1-1-1-rel
mutt-1-1-10-rel
mutt-1-1-11-rel
mutt-1-1-12-rel
mutt-1-1-13-rel
mutt-1-1-14-rel
mutt-1-1-2-rel
mutt-1-1-3-rel
mutt-1-1-4-rel
mutt-1-1-5-rel
mutt-1-1-6-rel
mutt-1-1-7-rel
mutt-1-1-8-rel
mutt-1-1-9-rel
mutt-1-1-rel
mutt-1-10-rel
mutt-1-11-rel
mutt-1-12-rel
mutt-1-13-rel
mutt-1-14-rel
mutt-1-3-1-rel
mutt-1-3-10-rel
mutt-1-3-11-rel
mutt-1-3-12-rel
mutt-1-3-13-rel
mutt-1-3-14-rel
mutt-1-3-15-rel
mutt-1-3-16-rel
mutt-1-3-17-rel
mutt-1-3-18-rel
mutt-1-3-19-rel
mutt-1-3-2-rel
mutt-1-3-20-rel
mutt-1-3-21-rel
mutt-1-3-22-1-rel
mutt-1-3-22-rel
mutt-1-3-23-1-rel
mutt-1-3-23-2-rel
mutt-1-3-23-rel
mutt-1-3-24-rel
mutt-1-3-25-rel
mutt-1-3-26-rel
mutt-1-3-27-rel
mutt-1-3-3-rel
mutt-1-3-4-rel
mutt-1-3-5-rel
mutt-1-3-6-rel
mutt-1-3-7-rel
mutt-1-3-8-rel
mutt-1-3-9-rel
mutt-1-3-rel
mutt-1-5-1-rel
mutt-1-5-15-rel
mutt-1-5-16-rel
mutt-1-5-17-rel
mutt-1-5-18-rel
mutt-1-5-19-rel
mutt-1-5-2-rel
mutt-1-5-20-rel
mutt-1-5-21-rel
mutt-1-5-22-rel
mutt-1-5-24-rel
mutt-1-5-3-rel
mutt-1-5-4-rel
mutt-1-5-5-1-rel
mutt-1-5-5-rel
mutt-1-5-6-rel
mutt-1-6-rel
mutt-1-7-rel
mutt-1-8-rel
mutt-1-9-rel
mutt-2-0-rel
mutt-2-1-rel
mutt-2-2-1-rel
mutt-2-2-10-rel
mutt-2-2-11-rel
mutt-2-2-2-rel
mutt-2-2-3-rel
mutt-2-2-4-rel
mutt-2-2-5-rel
mutt-2-2-6-rel
mutt-2-2-7-rel
mutt-2-2-8-rel
mutt-2-2-9-rel
mutt-2-2-rel
post-type-punning-patch
pre-type-punning-patch

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4874.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "311435706394840361027034278408384120933",
                "184811427006018352195317011662055852175",
                "197147681907748699508461669010673632797",
                "115638657409880351838100482405080790463"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-4874-4ad63683",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://gitlab.com/muttmua/mutt@a4752eb0ae0a521eec02e59e51ae5daedf74fda0",
        "target": {
            "file": "sendlib.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "53806998968969863017686505986342888599",
            "length": 1639
        },
        "id": "CVE-2023-4874-c9f53cf1",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://gitlab.com/muttmua/mutt@452ee330e094bfc7c9a68555e5152b1826534555",
        "target": {
            "file": "rfc2047.c",
            "function": "rfc2047_decode_word"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "58318663789131637153077802184449394055",
            "length": 1537
        },
        "id": "CVE-2023-4874-ea8dac3d",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://gitlab.com/muttmua/mutt@a4752eb0ae0a521eec02e59e51ae5daedf74fda0",
        "target": {
            "file": "sendlib.c",
            "function": "write_one_header"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "143811940606252416423363556841390520226",
                "267072045718752787410581380108000115876",
                "270087326784847198658990605271372029882",
                "321764223102516675061789209223709827070"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-4874-fdb77424",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://gitlab.com/muttmua/mutt@452ee330e094bfc7c9a68555e5152b1826534555",
        "target": {
            "file": "rfc2047.c"
        }
    }
]
vanir_signatures_modified 
"2026-10-24T14:16:58Z"