ubuntu-cve-2023-0996
Vulnerability from osv_ubuntu
Published
2023-02-24 04:15
Modified
2026-04-22 07:44
Summary
Details

There is a vulnerability in the strided image data parsing code in the emscripten wrapper for libheif. An attacker could exploit this through a crafted image file to cause a buffer overflow in linear memory during a memcpy call.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "heif-gdk-pixbuf",
            "binary_version": "1.6.1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "heif-thumbnailer",
            "binary_version": "1.6.1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libheif-examples",
            "binary_version": "1.6.1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libheif1",
            "binary_version": "1.6.1-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "libheif",
        "purl": "pkg:deb/ubuntu/libheif@1.6.1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.1-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.0-1build1",
        "1.5.1-1",
        "1.5.1-1build1",
        "1.6.0-1",
        "1.6.1-1",
        "1.6.1-1build1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "heif-gdk-pixbuf",
            "binary_version": "1.12.0-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "heif-thumbnailer",
            "binary_version": "1.12.0-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libheif-examples",
            "binary_version": "1.12.0-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libheif1",
            "binary_version": "1.12.0-2ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "libheif",
        "purl": "pkg:deb/ubuntu/libheif@1.12.0-2ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.12.0-2ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.11.0-1",
        "1.12.0-2build1"
      ]
    }
  ],
  "aliases": [],
  "details": "There is a vulnerability in the strided image data parsing code in the emscripten wrapper for libheif. An attacker could exploit this through a crafted image file to cause a buffer overflow in linear memory during a memcpy call.",
  "id": "UBUNTU-CVE-2023-0996",
  "modified": "2026-04-22T07:44:54Z",
  "published": "2023-02-24T04:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-0996"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/strukturag/libheif/pull/759"
    },
    {
      "type": "REPORT",
      "url": "https://govtech-csg.github.io/security-advisories/2023/02/24/CVE-2023-0996.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-0996"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6847-1"
    }
  ],
  "related": [
    "USN-6847-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-0996"
  ]
}



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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.