CVE-2021-28855

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-28855
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-28855.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-28855
Published
2021-04-14T17:15:14Z
Modified
2025-10-15T12:47:31.798211Z
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
287f5ac31dfdc074669182f51ece637706070eeb

Affected versions

v1.*

v1.5.5
v1.5.6
v1.5.7

Database specific

vanir_signatures

[
    {
        "id": "CVE-2021-28855-0e69995a",
        "deprecated": false,
        "source": "https://github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eeb",
        "target": {
            "file": "modules/pict.c"
        },
        "digest": {
            "line_hashes": [
                "7992209497181885195093281677322425532",
                "300163394889970727985962671517364393979",
                "46660956413701744817043859776108545619"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "signature_type": "Line"
    },
    {
        "id": "CVE-2021-28855-f5f34b82",
        "deprecated": false,
        "source": "https://github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eeb",
        "target": {
            "function": "do_iccprofile_item",
            "file": "modules/pict.c"
        },
        "digest": {
            "length": 593.0,
            "function_hash": "177656781395285593963592552773643755210"
        },
        "signature_version": "v1",
        "signature_type": "Function"
    }
]