FKIE_CVE-2021-20296
Vulnerability from fkie_nvd - Published: 2021-04-01 14:15 - Updated: 2026-06-17 03:33
Severity
Summary
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openexr | openexr | * | |
| openexr | openexr | * | |
| debian | debian_linux | 9.0 | |
| debian | debian_linux | 10.0 |
{
"affected": [
{
"affectedData": [
{
"product": "OpenEXR",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "OpenEXR 3.0.0-beta"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
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"versionEndExcluding": "2.4.3",
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR\u0027s IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability."
},
{
"lang": "es",
"value": "Se encontr\u00f3 un fallo en OpenEXR en versiones anteriores a 3.0.0-beta.\u0026#xa0;Un archivo de entrada dise\u00f1ado proporcionado por un atacante, que es procesado por la funcionalidad de decompresi\u00f3n Dwa de la biblioteca IlmImf de OpenEXR, podr\u00eda causar una desreferencia del puntero NULL.\u0026#xa0;La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema."
}
],
"id": "CVE-2021-20296",
"lastModified": "2026-06-17T03:33:37.577",
"metrics": {
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"baseSeverity": "MEDIUM",
"cvssData": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
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"impactScore": 2.9,
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"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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},
"published": "2021-04-01T14:15:13.310",
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],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-476"
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],
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
}
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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.
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