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Security advisory

Type: advisorySources: OSVCVE: CVE-2018-20467

In coders/bmp.c in ImageMagick before 7.0.8-16, an input file can result in an infinite loop and hang, with high CPU and memory consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-20467
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 09:06 UTC · Revision 1

Source evidence

CVE-2018-20467

core-osv · Original source

Published 26 Dec 2018, 03:29 UTC

In coders/bmp.c in ImageMagick before 7.0.8-16, an input file can result in an infinite loop and hang, with high CPU and memory consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.

osv:CVE-2018-20467
Complete source record
{
  "id": "452bdcfa1d54b8ff7d5c00cb4a4c1d215add10c6e9bdf4ad3e5966833211b510",
  "url": "https://osv.dev/vulnerability/CVE-2018-20467",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-20467",
    "summary": "In coders/bmp.c in ImageMagick before 7.0.8-16, an input file can result in an infinite loop and hang, with high CPU and memory consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.",
    "evidence": "osv:CVE-2018-20467",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-20467",
      "aliases": [
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      "metrics": [
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          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
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      "affected": [
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            "7.0.1-3",
            "7.0.1-2",
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20467.json",
            "vanir_signatures": [
              {
                "id": "CVE-2018-20467-05218939",
                "digest": {
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                  "line_hashes": [
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                },
                "source": "https://github.com/imagemagick/imagemagick/commit/db0add932fb850d762b02604ca3053b7d7ab6deb",
                "target": {
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                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
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                "id": "CVE-2018-20467-5bcc1c50",
                "digest": {
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                  "function_hash": "18072874593179590851956265762794069767"
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                "source": "https://github.com/imagemagick/imagemagick/commit/db0add932fb850d762b02604ca3053b7d7ab6deb",
                "target": {
                  "file": "coders/bmp.c",
                  "function": "ReadBMPImage"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-24T14:06:59Z"
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        },
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              "database_specific": {
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      "provider": "osv",
      "references": [
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        "https://github.com/ImageMagick/ImageMagick/commit/db0add932fb850d762b02604ca3053b7d7ab6deb",
        "https://github.com/ImageMagick/ImageMagick/issues/1408"
      ],
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            "vendor_product": "imagemagick:imagemagick",
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              {
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                    "fixed": "6.9.10-16"
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                    "introduced": "7.0.0-0"
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              "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
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            "vendor_product": "debian:debian_linux",
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            "cpes": [
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            "vendor_product": "opensuse:leap",
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              }
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    },
    "related_cves": [
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        "value": "CVE-2018-20467",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443072,
  "published_at": "2018-12-26T03:29:00.24+00:00"
}