usn-6369-1
Vulnerability from osv_ubuntu
Published
2023-09-14 12:10
Modified
2026-04-22 07:37
Summary
libwebp vulnerability
Details

It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-4863",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libwebp6",
            "binary_version": "0.6.1-2ubuntu0.20.04.3"
          },
          {
            "binary_name": "libwebpdemux2",
            "binary_version": "0.6.1-2ubuntu0.20.04.3"
          },
          {
            "binary_name": "libwebpmux3",
            "binary_version": "0.6.1-2ubuntu0.20.04.3"
          },
          {
            "binary_name": "webp",
            "binary_version": "0.6.1-2ubuntu0.20.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libwebp",
        "purl": "pkg:deb/ubuntu/libwebp@0.6.1-2ubuntu0.20.04.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.1-2ubuntu0.20.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.1-2",
        "0.6.1-2ubuntu0.20.04.1",
        "0.6.1-2ubuntu0.20.04.2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-4863",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libwebp7",
            "binary_version": "1.2.2-2ubuntu0.22.04.2"
          },
          {
            "binary_name": "libwebpdemux2",
            "binary_version": "1.2.2-2ubuntu0.22.04.2"
          },
          {
            "binary_name": "libwebpmux3",
            "binary_version": "1.2.2-2ubuntu0.22.04.2"
          },
          {
            "binary_name": "webp",
            "binary_version": "1.2.2-2ubuntu0.22.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libwebp",
        "purl": "pkg:deb/ubuntu/libwebp@1.2.2-2ubuntu0.22.04.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.2-2ubuntu0.22.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.1-2.1",
        "0.6.1-2.1build1",
        "1.2.1-6",
        "1.2.1-7",
        "1.2.2-2",
        "1.2.2-2ubuntu0.22.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that libwebp incorrectly handled certain malformed\nimages.  If a user or automated system were tricked into opening a\nspecially crafted image file, a remote attacker could use this issue to\ncause libwebp to crash, resulting in a denial of service, or possibly\nexecute arbitrary code.\n",
  "id": "USN-6369-1",
  "modified": "2026-04-22T07:37:06Z",
  "published": "2023-09-14T12:10:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6369-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-4863"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libwebp vulnerability",
  "upstream": [
    "UBUNTU-CVE-2023-4863"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.