FKIE_CVE-2021-26927
Vulnerability from fkie_nvd - Published: 2021-02-23 20:15 - Updated: 2026-06-17 03:44
Severity
Summary
A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| jasper_project | jasper | * | |
| fedoraproject | fedora | 32 | |
| fedoraproject | fedora | 33 | |
| fedoraproject | fedora | 34 |
{
"affected": [
{
"affectedData": [
{
"product": "jasper",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "before 2.0.25"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
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"versionEndExcluding": "2.0.25",
"vulnerable": true
}
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in jasper before 2.0.25. A null pointer dereference in jp2_decode in jp2_dec.c may lead to program crash and denial of service."
},
{
"lang": "es",
"value": "Se encontr\u00f3 un fallo en jaspe versiones anteriores a 2.0.25.\u0026#xa0;Una desreferencia de puntero null en la funci\u00f3n jp2_decode en el archivo jp2_dec.c puede conllevar el bloqueo del programa y una denegaci\u00f3n de servicio"
}
],
"id": "CVE-2021-26927",
"lastModified": "2026-06-17T03:44:01.387",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
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"userInteractionRequired": true
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"cvssMetricV31": [
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"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"
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"impactScore": 3.6,
"source": "nvd@nist.gov",
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},
"published": "2021-02-23T20:15:12.040",
"references": [
{
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"tags": [
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"Third Party Advisory"
],
"url": "https://github.com/jasper-software/jasper/commit/41f214b121b837fa30d9ca5f2430212110f5cd9b"
},
{
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},
{
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},
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSXESYUHMO522Z3RHXOQ2SJNWP3XTO67/"
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}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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