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openexr — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2026-53532

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In versions 3.4.0 through 3.4.12, a crafted HTJ2K-compressed EXR file causes an unconditional process abort in any application that calls exr_start_read() on untrusted input, resulting in denial of service. The crash is triggered by a QCD marker whose lower five bits are zero, which OpenEXR passes into the vendored OpenJPH library while constructing the codestream and evaluating its quantization delta parameters. OpenJPH uses an assertion rather than a recoverable error to validate those bits, so any invalid value calls abort() directly and cannot be intercepted by surrounding error handling, a problem compounded by OpenEXR wrapping only its internal HT header parser in error handling while leaving the later codestream read and construction calls unprotected. This issue has been resolved in version 3.4.13.

Products
openexr
Affected versions
3.1.13-1, 3.1.13-2, 3.1.5-5, 3.1.5-5.1, 3.1.5-5.1+hurd.1, 3.4.14-0.1, 3.4.15+ds-1, 3.4.6+ds-1, 3.4.6+ds-2, 3.4.6+ds-3, 3.4.6+ds-4
Fixed versions
3.4.14-0.1
CVEs
CVE-2026-53532
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 09:03 UTC · Revision 1

Source evidence

DEBIAN-CVE-2026-53532

core-osv · Original source

Published 24 Aug 2026, 23:16 UTC

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In versions 3.4.0 through 3.4.12, a crafted HTJ2K-compressed EXR file causes an unconditional process abort in any application that calls exr_start_read() on untrusted input, resulting in denial of service. The crash is triggered by a QCD marker whose lower five bits are zero, which OpenEXR passes into the vendored OpenJPH library while constructing the codestream and evaluating its quantization delta parameters. OpenJPH uses an assertion rather than a recoverable error to validate those bits, so any invalid value calls abort() directly and cannot be intercepted by surrounding error handling, a problem compounded by OpenEXR wrapping only its internal HT header parser in error handling while leaving the later codestream read and construction calls unprotected. This issue has been resolved in version 3.4.13.

osv:DEBIAN-CVE-2026-53532

openexr

Fixed versions: Not specified

openexr

Fixed versions: Not specified

openexr

Fixed versions: 3.4.14-0.1

Complete source record
{
  "id": "86a1437454631f9439cf6907ed4718c9493818fb6ad38e4585da6c75e38b2f92",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-53532",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2026-53532",
    "summary": "OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In versions 3.4.0 through 3.4.12, a crafted HTJ2K-compressed EXR file causes an unconditional process abort in any application that calls exr_start_read() on untrusted input, resulting in denial of service. The crash is triggered by a QCD marker whose lower five bits are zero, which OpenEXR passes into the vendored OpenJPH library while constructing the codestream and evaluating its quantization delta parameters. OpenJPH uses an assertion rather than a recoverable error to validate those bits, so any invalid value calls abort() directly and cannot be intercepted by surrounding error handling, a problem compounded by OpenEXR wrapping only its internal HT header parser in error handling while leaving the later codestream read and construction calls unprotected. This issue has been resolved in version 3.4.13.",
    "evidence": "osv:DEBIAN-CVE-2026-53532",
    "products": [
      {
        "name": {
          "value": "openexr",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.1.13-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.13-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.5-5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.5-5.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.1.5-5.1+hurd.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.14-0.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.15+ds-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.6+ds-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.6+ds-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.6+ds-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "3.4.6+ds-4",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openexr",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.1.13-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.14-0.1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.15+ds-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.6+ds-1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.6+ds-2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.6+ds-3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "3.4.6+ds-4",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openexr",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.4.14-0.1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "3.1.13-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "3.4.6+ds-1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "3.4.6+ds-2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "3.4.6+ds-3",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "3.4.6+ds-4",
            "evidence": "/affected/2/versions"
          }
        ]
      }
    ],
    "severity": "high",
    "structured": {
      "id": "DEBIAN-CVE-2026-53532",
      "aliases": [
        "DEBIAN-CVE-2026-53532"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openexr",
            "purl": "pkg:deb/debian/openexr?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "3.1.13-1",
            "3.1.13-2",
            "3.1.5-5",
            "3.1.5-5.1",
            "3.1.5-5.1+hurd.1",
            "3.4.14-0.1",
            "3.4.15+ds-1",
            "3.4.6+ds-1",
            "3.4.6+ds-2",
            "3.4.6+ds-3",
            "3.4.6+ds-4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-53532.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openexr",
            "purl": "pkg:deb/debian/openexr?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "versions": [
            "3.1.13-2",
            "3.4.14-0.1",
            "3.4.15+ds-1",
            "3.4.6+ds-1",
            "3.4.6+ds-2",
            "3.4.6+ds-3",
            "3.4.6+ds-4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-53532.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.4.14-0.1"
                }
              ]
            }
          ],
          "package": {
            "name": "openexr",
            "purl": "pkg:deb/debian/openexr?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "versions": [
            "3.1.13-2",
            "3.4.6+ds-1",
            "3.4.6+ds-2",
            "3.4.6+ds-3",
            "3.4.6+ds-4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-53532.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-13T09:47:26.606522975Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-53532"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2026-53532"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-53532",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 307554,
  "published_at": "2026-08-24T23:16:36.92+00:00"
}