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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2016-6912

Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via large width and height values.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2016-6912
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:10 UTC · Revision 1

Source evidence

CVE-2016-6912

core-osv · Original source

Published 26 Jan 2017, 15:59 UTC

Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via large width and height values.

osv:CVE-2016-6912
Complete source record
{
  "id": "5c02d4e0f6de9cb93bb61233a7adf232d3b442099749b78c0c858b0b46f3073e",
  "url": "https://osv.dev/vulnerability/CVE-2016-6912",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-6912",
    "summary": "Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via large width and height values.",
    "evidence": "osv:CVE-2016-6912",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2016-6912",
      "aliases": [
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      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
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          "ranges": [
            {
              "repo": "https://github.com/libgd/libgd",
              "type": "GIT",
              "events": [
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                  "introduced": "0"
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                {
                  "fixed": "a49feeae76d41959d85ee733925a4cf40bac61b2"
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            "GD_2_0_5",
            "GD_2_0_4",
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            "GD_2_0_2",
            "GD_2_0_1",
            "GD_2_0_0",
            "GD_1_8_4",
            "GD_1_8_3",
            "GD_1_8_1",
            "GD_1_8_0",
            "GD_1_7_3",
            "GD_1_7_2",
            "GD_1_7_1",
            "GD_1_7_0",
            "GD_1_6_3",
            "GD_1_6_2",
            "GD_1_6_1",
            "GD_1_6_0",
            "GD_1_5_0",
            "GD_1_4_0",
            "GD_1_3_0"
          ],
          "database_specific": {
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            "vanir_signatures": [
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                "digest": {
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                "source": "https://github.com/libgd/libgd/commit/a49feeae76d41959d85ee733925a4cf40bac61b2",
                "target": {
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      "modified": "2026-10-20T13:15:27.297587947Z",
      "provider": "osv",
      "references": [
        "https://github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md",
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  "source_id": "core-osv",
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  "published_at": "2017-01-26T15:59:00.33+00:00"
}