Skip to content
Heist/ feed
Back to feed
MediumFix available

openexr — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2021-3478

There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.

Products
openexr
Affected versions
Not specified
Fixed versions
2.5.4-1
CVEs
CVE-2021-3478
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 00:43 UTC · Revision 1

Source evidence

DEBIAN-CVE-2021-3478

core-osv · Original source

Published 31 Mar 2021, 14:15 UTC

There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.

osv:DEBIAN-CVE-2021-3478

openexr

Fixed versions: 2.5.4-1

openexr

Fixed versions: 2.5.4-1

openexr

Fixed versions: 2.5.4-1

Complete source record
{
  "id": "6a8ae5bb5612406720d16f77d3a6672b1b2c27900f153c619f197b64ccbf9488",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-3478",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2021-3478",
    "summary": "There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.",
    "evidence": "osv:DEBIAN-CVE-2021-3478",
    "products": [
      {
        "name": {
          "value": "openexr",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.5.4-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openexr",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.5.4-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openexr",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.5.4-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2021-3478",
      "aliases": [
        "DEBIAN-CVE-2021-3478"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.5.4-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openexr",
            "purl": "pkg:deb/debian/openexr?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3478.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.5.4-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openexr",
            "purl": "pkg:deb/debian/openexr?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3478.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.5.4-1"
                }
              ]
            }
          ],
          "package": {
            "name": "openexr",
            "purl": "pkg:deb/debian/openexr?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3478.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T18:03:37.774020847Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-3478"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2021-3478"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-3478",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 422057,
  "published_at": "2021-03-31T14:15:21.127+00:00"
}