Vulnerability-Lookup

CVE-2026-53532 (GCVE-0-2026-53532)

Vulnerability from cvelistv5 – Published: 2026-08-24 22:24 – Updated: 2026-08-28 17:52

Title

OpenEXR: Unhandled assert abort in HTJ2K decoder via crafted QCD marker (DoS)

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.

Severity

7.1 (High)


                        
                          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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-25 18:25 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/AcademySoftwareFoundation/open…	x_refsource_CONFIRM
https://github.com/AcademySoftwareFoundation/open…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
AcademySoftwareFoundation	openexr	Affected: >= 3.4.0, < 3.4.13	guessed

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-53532",
                "options": [
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                    "Automatable": "yes"
                  },
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                  }
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        }
      ],
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        },
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      "source": {
        "advisory": "GHSA-2f85-52wj-hc3c",
        "discovery": "UNKNOWN"
      },
      "title": "OpenEXR: Unhandled assert abort in HTJ2K decoder via crafted QCD marker (DoS)"
    }
  },
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      "product_status:known_not_affected": "18",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "OpenEXR: OpenEXR: Denial of Service via crafted HTJ2K-compressed EXR file",
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    "suse_vex": {
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}

FKIE_CVE-2026-53532

Vulnerability from fkie_nvd - Published: 2026-08-24 23:16 - Updated: 2026-09-09 21:07

Severity

7.1 (High) - 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

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.13
	security-advisories@github.com	https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-2f85-52wj-hc3c

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "openexr",
          "vendor": "AcademySoftwareFoundation",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 3.4.0, \u003c 3.4.13"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "id": "CVE-2026-53532",
  "lastModified": "2026-09-09T21:07:31.353",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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",
          "version": "4.0",
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          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-53532",
          "options": [
            {
              "exploitation": "poc"
            },
            {
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            },
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            }
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          "role": "CISA Coordinator",
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  "published": "2026-08-24T23:16:36.920",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.13"
    },
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      "source": "security-advisories@github.com",
      "url": "https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-2f85-52wj-hc3c"
    }
  ],
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  "vulnStatus": "Deferred",
  "weaknesses": [
    {
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          "lang": "en",
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        }
      ],
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      "type": "Secondary"
    }
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}

OPENSUSE-SU-2026:11218-1

Vulnerability from csaf_opensuse - Published: 2026-07-08 00:00 - Updated: 2026-07-08 00:00

Summary

libIex-3_4-33-3.4.13-1.1 on GA media

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2026-53532.

CVE-2026-53532

6.5 (Medium)


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

Recommended: 72 products

Open the full advisory

ubuntu-cve-2026-53532

Vulnerability from osv_ubuntu

Published

2026-08-24 23:16

Modified

2026-09-02 16:20

Summary

Details

Severity

7.1 (High)


                    
                      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

7.1 (High)


                    
                      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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-53532	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-53532	REPORT
	https://github.com/academysoftwarefoundation/open…	REPORT
	https://github.com/academysoftwarefoundation/open…	REPORT
	https://github.com/cveproject/cvelistv5/tree/main…	REPORT
	https://nvd.nist.gov/vuln/detail/cve-2026-53532	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopenexr22",
            "binary_version": "2.2.0-10ubuntu2.6+esm4"
          },
          {
            "binary_name": "openexr",
            "binary_version": "2.2.0-10ubuntu2.6+esm4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "openexr",
        "purl": "pkg:deb/ubuntu/openexr@2.2.0-10ubuntu2.6+esm4?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.0-1ubuntu3",
        "2.2.0-7ubuntu1",
        "2.2.0-9ubuntu1",
        "2.2.0-10ubuntu2",
        "2.2.0-10ubuntu2.1",
        "2.2.0-10ubuntu2.2",
        "2.2.0-10ubuntu2.3",
        "2.2.0-10ubuntu2.4",
        "2.2.0-10ubuntu2.6",
        "2.2.0-10ubuntu2.6+esm1",
        "2.2.0-10ubuntu2.6+esm2",
        "2.2.0-10ubuntu2.6+esm3",
        "2.2.0-10ubuntu2.6+esm4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopenexr22",
            "binary_version": "2.2.0-11.1ubuntu1.9+esm1"
          },
          {
            "binary_name": "openexr",
            "binary_version": "2.2.0-11.1ubuntu1.9+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "openexr",
        "purl": "pkg:deb/ubuntu/openexr@2.2.0-11.1ubuntu1.9+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "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"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopenexr25",
            "binary_version": "2.5.7-1ubuntu0.1~esm2"
          },
          {
            "binary_name": "openexr",
            "binary_version": "2.5.7-1ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "openexr",
        "purl": "pkg:deb/ubuntu/openexr@2.5.7-1ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.5.4-2",
        "2.5.7-1",
        "2.5.7-1ubuntu0.1~esm1",
        "2.5.7-1ubuntu0.1~esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopenexr-3-1-30",
            "binary_version": "3.1.5-5.1ubuntu0.1~esm1"
          },
          {
            "binary_name": "openexr",
            "binary_version": "3.1.5-5.1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "openexr",
        "purl": "pkg:deb/ubuntu/openexr@3.1.5-5.1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.5-5.1",
        "3.1.5-5.1build1",
        "3.1.5-5.1build2",
        "3.1.5-5.1build3",
        "3.1.5-5.1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopenexr-3-1-30",
            "binary_version": "3.1.13-2ubuntu0.26.04.1~esm1"
          },
          {
            "binary_name": "openexr",
            "binary_version": "3.1.13-2ubuntu0.26.04.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:26.04:LTS",
        "name": "openexr",
        "purl": "pkg:deb/ubuntu/openexr@3.1.13-2ubuntu0.26.04.1~esm1?arch=source\u0026distro=esm-apps/resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.13-2",
        "3.1.13-2build1",
        "3.1.13-2ubuntu0.26.04.1~esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2026-53532",
  "modified": "2026-09-02T16:20:00Z",
  "published": "2026-08-24T23:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53532"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-53532"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/academysoftwarefoundation/openexr/releases/tag/v3.4.13"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/academysoftwarefoundation/openexr/security/advisories/ghsa-2f85-52wj-hc3c"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/cveproject/cvelistv5/tree/main/cves/2026/53xxx/cve-2026-53532.json"
    },
    {
      "type": "REPORT",
      "url": "https://nvd.nist.gov/vuln/detail/cve-2026-53532"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "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",
      "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",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-53532"
  ]
}

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.

Action not permitted

CVE-2026-53532 (GCVE-0-2026-53532)

FKIE_CVE-2026-53532

OPENSUSE-SU-2026:11218-1

ubuntu-cve-2026-53532

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature