CVE-2026-88384

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenEXR 3.4.14 contains a NULL Pointer Dereference in the C++ attribute parsing path. A specially crafted EXR file containing an unknown-type attribute with dataSize set to zero causes the parser to create an opaque attribute with a NULL packed_data pointer. The OpaqueAttribute constructor passes the NULL pointer to memcpy() without validating the zero-size condition, resulting in undefined behavior and process termination, leading to denial of service."}], "id": "CVE-2026-88384", "lastModified": "2026-09-24T21:08:22.573", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-88384", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-24T18:17:56.727213Z", "version": "2.0.3"}}]}, "published": "2026-09-24T17:17:07.907", "references": [{"source": "cve@mitre.org", "url": "https://github.com/AcademySoftwareFoundation/openexr/issues/2612"}, {"source": "cve@mitre.org", "url": "https://github.com/AcademySoftwareFoundation/openexr/pull/2615"}, {"source": "cve@mitre.org", "url": "https://github.com/AcademySoftwareFoundation/openexr/pull/2615/changes/70ddecfe82d2566f3776b8ed923939afd47baca2"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/AcademySoftwareFoundation/openexr/issues/2612"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "openexr: openexr: Denial of Service via crafted EXR file", "id": "2540499", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540499"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in OpenEXR. An attacker could exploit this vulnerability to cause a Denial of Service (DoS) by providing a specially crafted EXR image file for processing. When the library parses an unknown attribute with a size of zero, it attempts an invalid memory operation on an uninitialized pointer, causing the application to crash unexpectedly."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-88384", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "openexr", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "openexr", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-88384\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-88384\nhttps://github.com/AcademySoftwareFoundation/openexr/issues/2612\nhttps://github.com/AcademySoftwareFoundation/openexr/pull/2615\nhttps://github.com/AcademySoftwareFoundation/openexr/pull/2615/changes/70ddecfe82d2566f3776b8ed923939afd47baca2"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.4.14"}}], "enrichment": {"confidence": 82.0, "confidence_source": "matching", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 82.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "openexr", "vendor": "academysoftwarefoundation"}], "created": "2026-09-26T07:00:12.845158+00:00", "updated": "2026-09-27T11:00:09.758122+00:00", "vendors": ["academysoftwarefoundation", "academysoftwarefoundation$PRODUCT$openexr"]}