Vulnerability-Lookup

CVE-2021-20298 (GCVE-0-2021-20298)

Vulnerability from cvelistv5 – Published: 2022-08-23 00:00 – Updated: 2024-08-03 17:37

Summary

A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-400 - - Uncontrolled Resource Consumption

Assigner

redhat redhat root

References

6 references

URL	Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detai…
https://github.com/AcademySoftwareFoundation/open…
https://github.com/AcademySoftwareFoundation/open…
https://bugzilla.redhat.com/show_bug.cgi?id=1939156
https://access.redhat.com/security/cve/CVE-2021-20298
https://lists.debian.org/debian-lts-announce/2022…	mailing-list

Impacted products

1 product

Vendor	Product	Version	CPE status
n/a	OpenEXR	Affected: Fixed in OpenEXR 3.0.0-beta

Show details on NVD website

JSON

To clipboard

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SUSE-SU-2021:14846-1

Vulnerability from csaf_suse - Published: 2021-12-01 15:50 - Updated: 2021-12-01 15:50

Summary

Security update for OpenEXR

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2021-20298.

CVE-2021-20298

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Recommended: 8 products

Open the full advisory

SUSE-SU-2021:2793-1

Vulnerability from csaf_suse - Published: 2021-08-20 08:23 - Updated: 2021-08-20 08:23

Summary

Security update for openexr

Severity

Important

Scope

7 vulnerabilities in this advisory, including CVE-2021-20298.

CVE-2021-20298

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Recommended: 108 products

Open the full advisory

SUSE-SU-2021:2913-1

Vulnerability from csaf_suse - Published: 2021-09-02 07:53 - Updated: 2021-09-02 07:53

Summary

Security update for openexr

Severity

Important

Scope

7 vulnerabilities in this advisory, including CVE-2021-20298.

CVE-2021-20298

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Recommended: 59 products

Open the full advisory

UBUNTU-CVE-2021-20298 (CVE-2021-20298)

Vulnerability from osv_ubuntu – Published: 2022-08-23 16:15 – Updated: 2026-05-08 09:50 – Source website

Details

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      negligible

References

URL

Type

	https://ubuntu.com/security/CVE-2021-20298	REPORT
	https://access.redhat.com/security/cve/CVE-2021-20298	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-20298	REPORT

JSON

To clipboard

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      "versions": [
        "2.2.0-11ubuntu1",
        "2.2.0-11.1ubuntu1",
        "2.2.0-11.1ubuntu1.1",
        "2.2.0-11.1ubuntu1.2",
        "2.2.0-11.1ubuntu1.3",
        "2.2.0-11.1ubuntu1.4",
        "2.2.0-11.1ubuntu1.6",
        "2.2.0-11.1ubuntu1.7",
        "2.2.0-11.1ubuntu1.8",
        "2.2.0-11.1ubuntu1.9",
        "2.2.0-11.1ubuntu1.9+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopenexr24",
            "binary_version": "2.3.0-6ubuntu0.5+esm2"
          },
          {
            "binary_name": "openexr",
            "binary_version": "2.3.0-6ubuntu0.5+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "openexr",
        "purl": "pkg:deb/ubuntu/openexr@2.3.0-6ubuntu0.5+esm2?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.1-4.1ubuntu1",
        "2.3.0-6",
        "2.3.0-6build1",
        "2.3.0-6ubuntu0.1",
        "2.3.0-6ubuntu0.2",
        "2.3.0-6ubuntu0.3",
        "2.3.0-6ubuntu0.5",
        "2.3.0-6ubuntu0.5+esm1",
        "2.3.0-6ubuntu0.5+esm2"
      ]
    }
  ],
  "aliases": [],
  "details": "A flaw was found in OpenEXR\u0027s B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.",
  "id": "UBUNTU-CVE-2021-20298",
  "modified": "2026-05-08T09:50:04Z",
  "published": "2022-08-23T16:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-20298"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2021-20298"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20298"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "negligible",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-20298"
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-20298 (GCVE-0-2021-20298)

SUSE-SU-2021:14846-1

SUSE-SU-2021:2793-1

SUSE-SU-2021:2913-1

UBUNTU-CVE-2021-20298 (CVE-2021-20298)

Tags

Sightings

Nomenclature

Related by attack behaviour