CVE-2021-31812 (GCVE-0-2021-31812)

Vulnerability from cvelistv5 – Published: 2021-06-12 09:45 – Updated: 2024-08-03 23:10
VLAI
Title
A carefully crafted PDF file can trigger an infinite loop while loading the file
Summary
In Apache PDFBox, a carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox version 2.0.23 and prior 2.0.x versions.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache PDFBox Affected: Apache PDFBox , < 2.0.24 (custom)
Create a notification for this product.
Credits
Apache PDFBox would like to thank Chaoyuan Peng for reporting this issue
Show details on NVD website
To clipboard 

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              "name": "https://www.oracle.com/security-alerts/cpujul2022.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "This issue was fixed in 2.0.24. All users are recommended to upgrade to Apache PDFBox 2.0.24"
          }
        ]
      }
    }
  },
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    "assignerShortName": "apache",
    "cveId": "CVE-2021-31812",
    "datePublished": "2021-06-12T09:45:11.000Z",
    "dateReserved": "2021-04-26T00:00:00.000Z",
    "dateUpdated": "2024-08-03T23:10:30.239Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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    },
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T16:05:46+00:00",
      "cve": "CVE-2021-31812",
      "id": "CVE-2021-31812",
      "initial_release_date": "2021-06-12T00:00:00+00:00",
      "product_status:fixed": "1",
      "product_status:known_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pdfbox: infinite loop while loading a crafted PDF file",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-31812.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-10-07T02:30:52Z",
      "cve": "CVE-2021-31812",
      "id": "CVE-2021-31812",
      "initial_release_date": "2023-02-15T03:41:17Z",
      "product_status:known_not_affected": "22",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-31812",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-31812.json",
      "version": "9"
    }
  }
}



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Taxonomy of the tags.





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.