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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-25013

A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-25013
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 06:28 UTC · Revision 1

Source evidence

CVE-2018-25013

core-osv · Original source

Published 21 May 2021, 17:15 UTC

A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().

osv:CVE-2018-25013
Complete source record
{
  "id": "9c5d204515377978879e6012524d24be71aa14336a9236798eb97b3e5ea4efa5",
  "url": "https://osv.dev/vulnerability/CVE-2018-25013",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-25013",
    "summary": "A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().",
    "evidence": "osv:CVE-2018-25013",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-25013",
      "aliases": [
        "CVE-2018-25013"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/webmproject/libwebp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e85d3313d6d52b1e9c6c181b488fc0831a747de8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.1.3",
            "v0.1.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-25013.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:39.974040821Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9417",
        "https://chromium.googlesource.com/webm/libwebp/+/907208f97ead639bd521cf355a2f203f462eade6",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1956926"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:enterprise_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-25013",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434805,
  "published_at": "2021-05-21T17:15:08.163+00:00"
}