CVE-2021-28855

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Source
https://cve.org/CVERecord?id=CVE-2021-28855
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28855.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-28855
Published
2021-04-14T17:15:14.363Z
Modified
2026-04-11T17:12:17.434243Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In Deark before 1.5.8, a specially crafted input file can cause a NULL pointer dereference in the dbuf_write function (src/deark-dbuf.c).

References

Affected packages

Git / github.com/jsummers/deark

Affected ranges

Type
GIT
Repo
https://github.com/jsummers/deark
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
fb671aa5d1b4317fabe5aab3e3713ca4b5798f95
Fixed
287f5ac31dfdc074669182f51ece637706070eeb
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.5.8"
        }
    ]
}

Affected versions

v1.*
v1.5.5
v1.5.6
v1.5.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28855.json"
vanir_signatures_modified 
"2026-04-11T17:12:17Z"
vanir_signatures 
[
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "7992209497181885195093281677322425532",
                "300163394889970727985962671517364393979",
                "46660956413701744817043859776108545619"
            ]
        },
        "source": "https://github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eeb",
        "id": "CVE-2021-28855-0e69995a",
        "signature_type": "Line",
        "target": {
            "file": "modules/pict.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 593.0,
            "function_hash": "177656781395285593963592552773643755210"
        },
        "source": "https://github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eeb",
        "id": "CVE-2021-28855-f5f34b82",
        "signature_type": "Function",
        "target": {
            "function": "do_iccprofile_item",
            "file": "modules/pict.c"
        }
    }
]