CVE-2017-18120

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Source
https://nvd.nist.gov/vuln/detail/CVE-2017-18120
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18120.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-18120
Downstream
Related
Published
2018-02-02T09:29:00.227Z
Modified
2025-11-20T10:39:37.388902Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A double-free bug in the readgif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because lastname is mishandled, a different vulnerability than CVE-2017-1000421.

References

Affected packages

Git / github.com/kohler/gifsicle

Affected ranges

Type
GIT
Repo
https://github.com/kohler/gifsicle
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
118a46090c50829dc543179019e6140e1235f909

Affected versions

v1.*

v1.10
v1.10b1
v1.11
v1.11.1
v1.14.1
v1.15b
v1.18
v1.19
v1.21
v1.22
v1.24
v1.25
v1.26
v1.30
v1.35
v1.37
v1.38
v1.39
v1.40
v1.42
v1.43
v1.44
v1.45
v1.46
v1.47
v1.48
v1.50
v1.51
v1.52
v1.53
v1.54
v1.55
v1.56
v1.57
v1.58
v1.59
v1.60
v1.61
v1.62
v1.63
v1.64
v1.65
v1.66
v1.67
v1.68
v1.69
v1.70
v1.71
v1.72
v1.73
v1.74
v1.75
v1.76
v1.77
v1.78
v1.79
v1.80
v1.81
v1.82
v1.84
v1.85
v1.86
v1.87
v1.88
v1.89
v1.90

Database specific

vanir_signatures

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "40938569967824248452519032506648219435",
                "140282648014875945732110581723291858112",
                "312581299782086433331941700568154316169",
                "175509438779924551367698524329515749884"
            ]
        },
        "source": "https://github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f909",
        "deprecated": false,
        "target": {
            "file": "src/gifread.c"
        },
        "id": "CVE-2017-18120-5bf08d7f",
        "signature_version": "v1",
        "signature_type": "Line"
    },
    {
        "digest": {
            "function_hash": "198277961152993239630182827096374800280",
            "length": 2625.0
        },
        "source": "https://github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f909",
        "deprecated": false,
        "target": {
            "file": "src/gifread.c",
            "function": "read_gif"
        },
        "id": "CVE-2017-18120-ac119a30",
        "signature_version": "v1",
        "signature_type": "Function"
    }
]