ubuntu-cve-2021-3407
Vulnerability from osv_ubuntu
Published
2021-02-23 23:15
Modified
2026-04-22 07:39
Summary
Details

A flaw was found in mupdf 1.18.0. Double free of object during linearization may lead to memory corruption and other potential consequences.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "mupdf",
            "binary_version": "1.7a-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.7a-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.7a-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7a-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.7-1",
        "1.7a-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "mupdf",
            "binary_version": "1.12.0+ds1-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.12.0+ds1-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.12.0+ds1-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.12.0+ds1-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.11+ds1-1.1",
        "1.11+ds1-2",
        "1.12.0+ds1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "mupdf",
            "binary_version": "1.16.1+ds1-1ubuntu1+esm1"
          },
          {
            "binary_name": "mupdf-tools",
            "binary_version": "1.16.1+ds1-1ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "mupdf",
        "purl": "pkg:deb/ubuntu/mupdf@1.16.1+ds1-1ubuntu1+esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.16.1+ds1-1ubuntu1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.15.0+ds1-1",
        "1.16.1+ds1-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "A flaw was found in mupdf 1.18.0. Double free of object during linearization may lead to memory corruption and other potential consequences.",
  "id": "UBUNTU-CVE-2021-3407",
  "modified": "2026-04-22T07:39:45Z",
  "published": "2021-02-23T23:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3407"
    },
    {
      "type": "REPORT",
      "url": "http://git.ghostscript.com/?p=mupdf.git;h=cee7cefc610d42fd383b3c80c12cbc675443176a"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.ghostscript.com/show_bug.cgi?id=703366"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3407"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7825-1"
    }
  ],
  "related": [
    "USN-7825-1"
  ],
  "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:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-3407"
  ]
}



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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.