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CERTFR-2026-AVI-0241
Vulnerability from certfr_avis
Une vulnérabilité a été découverte dans ClamAV. Elle permet à un attaquant de provoquer un déni de service.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "ClamAV versions post\u00e9rieures \u00e0 1.1.0 et ant\u00e9rieures \u00e0 1.4.4 ou 1.5.2",
"product": {
"name": "ClamAV",
"vendor": {
"name": "ClamAV",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-20031",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20031"
}
],
"initial_release_date": "2026-03-05T00:00:00",
"last_revision_date": "2026-03-05T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0241",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-05T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans ClamAV. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service.",
"title": "Vuln\u00e9rabilit\u00e9 dans ClamAV",
"vendor_advisories": [
{
"published_at": "2026-03-04",
"title": "Bulletin de s\u00e9curit\u00e9 ClamAV clamav-152-and-144-security-patch",
"url": "https://blog.clamav.net/2026/03/clamav-152-and-144-security-patch.html"
}
]
}
CVE-2026-20031 (GCVE-0-2026-20031)
Vulnerability from cvelistv5
Published
2026-03-04 17:17
Modified
2026-03-05 15:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-248 - Uncaught Exception
Summary
A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Secure Endpoint |
Version: 7.0.5 Version: 6.2.19 Version: 7.3.3 Version: 7.2.13 Version: 6.1.5 Version: 6.3.1 Version: 6.2.5 Version: 7.3.5 Version: 6.2.1 Version: 7.2.7 Version: 7.1.1 Version: 6.3.5 Version: 6.2.9 Version: 7.3.1 Version: 6.1.7 Version: 7.2.11 Version: 7.2.3 Version: 7.1.5 Version: 6.3.3 Version: 7.3.9 Version: 6.2.3 Version: 6.1.9 Version: 6.0.9 Version: 7.2.5 Version: 6.0.7 Version: 6.3.7 Version: 1.12.3 Version: 1.8.0 Version: 1.11.1 Version: 1.12.4 Version: 1.10.0 Version: 1.12.0 Version: 1.8.1 Version: 1.10.1 Version: 1.12.1 Version: 1.12.6 Version: 1.14.0 Version: 1.10.2 Version: 1.12.7 Version: 1.12.2 Version: 1.6.0 Version: 1.9.0 Version: 1.11.0 Version: 1.7.0 Version: 1.13.0 Version: 1.8.4 Version: 1.13.1 Version: 1.9.1 Version: 1.12.5 Version: 1.13.2 Version: 2.0.2 Version: 1.1.0 Version: 2.0.0 Version: 2.0.1 Version: 8.1.7.21512 Version: 8.1.7 Version: 8.1.5 Version: 8.1.3.21242 Version: 8.1.3 Version: 8.1.5.21322 Version: 8.1.7.21417 Version: 2.1.0.14 Version: 2.2.0 Version: 2.3.0 Version: 2.4.0 Version: 2.5.0 Version: 2.6.0 Version: 2.7.0 Version: 2.8.0 Version: 2.9.0 Version: 2.10.0 Version: 2.10.1 Version: 2.11.0 Version: 1.14.1 Version: 1.15.1 Version: 1.15.2 Version: 1.15.3 Version: 1.15.4 Version: 1.15.5 Version: 1.15.6 Version: 1.16.0 Version: 1.16.1 Version: 1.16.2 Version: 1.16.3 Version: 1.18.0 Version: 1.18.1 Version: 1.20.0 Version: 1.21.0 Version: 1.21.1 Version: 1.21.2 Version: 1.21.3 Version: 1.22.0 Version: 1.22.1 Version: 1.22.2 Version: 1.22.3 Version: 1.22.4 Version: 1.24.0 Version: 1.24.1 Version: 1.24.2 Version: 1.24.3 Version: 1.24.4 Version: 1.26.0 Version: 1.24.5 Version: 1.26.1 Version: 1.27.0 Version: 1.15.0 Version: 1.17.0 Version: 1.17.1 Version: 1.17.2 Version: 1.19.0 Version: 1.20.1 Version: 1.20.2 Version: 1.20.3 Version: 1.20.4 Version: 1.20.5 Version: 1.20.6 Version: 1.23.0 Version: 1.23.1 Version: 1.20.7 Version: 1.20.8 Version: 1.25.0 Version: 1.25.1 Version: 1.25.2 Version: 1.27.1 Version: 1.27.2 Version: 7.3.13 Version: 7.3.15 Version: 7.4.1 Version: 7.4.1.20425 Version: 7.4.1.20439 Version: 7.4.3 Version: 7.4.3.20679 Version: 7.4.5 Version: 7.5.1.20813 Version: 7.5.1.20833 Version: 7.5.3 Version: 7.5.5 Version: 8.0.1.21160 Version: 8.0.1.21164 Version: 7.5.7 Version: 7.5.9 Version: 7.5.11 Version: 8.1.7.21585 Version: 7.5.13.21586 Version: 7.5.13.21598 Version: 8.2.1.21612 Version: 8.2.1.21650 Version: 7.5.15.21611 Version: 7.5.17.21680 Version: 8.2.3.30119 Version: 8.2.4.30130 Version: 8.4.0 Version: 7.5.19 Version: 8.4.1.30298 Version: 8.4.2.30317 Version: 8.4.1.30307 Version: 7.5.20 Version: 8.4.3 Version: 8.4.4.30419 Version: 8.4.4.30467 Version: 7.5.21.21732 Version: 8.4.5.30483 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-20031",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-05T15:51:58.298217Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-05T15:52:07.708Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Cisco Secure Endpoint",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "7.0.5"
},
{
"status": "affected",
"version": "6.2.19"
},
{
"status": "affected",
"version": "7.3.3"
},
{
"status": "affected",
"version": "7.2.13"
},
{
"status": "affected",
"version": "6.1.5"
},
{
"status": "affected",
"version": "6.3.1"
},
{
"status": "affected",
"version": "6.2.5"
},
{
"status": "affected",
"version": "7.3.5"
},
{
"status": "affected",
"version": "6.2.1"
},
{
"status": "affected",
"version": "7.2.7"
},
{
"status": "affected",
"version": "7.1.1"
},
{
"status": "affected",
"version": "6.3.5"
},
{
"status": "affected",
"version": "6.2.9"
},
{
"status": "affected",
"version": "7.3.1"
},
{
"status": "affected",
"version": "6.1.7"
},
{
"status": "affected",
"version": "7.2.11"
},
{
"status": "affected",
"version": "7.2.3"
},
{
"status": "affected",
"version": "7.1.5"
},
{
"status": "affected",
"version": "6.3.3"
},
{
"status": "affected",
"version": "7.3.9"
},
{
"status": "affected",
"version": "6.2.3"
},
{
"status": "affected",
"version": "6.1.9"
},
{
"status": "affected",
"version": "6.0.9"
},
{
"status": "affected",
"version": "7.2.5"
},
{
"status": "affected",
"version": "6.0.7"
},
{
"status": "affected",
"version": "6.3.7"
},
{
"status": "affected",
"version": "1.12.3"
},
{
"status": "affected",
"version": "1.8.0"
},
{
"status": "affected",
"version": "1.11.1"
},
{
"status": "affected",
"version": "1.12.4"
},
{
"status": "affected",
"version": "1.10.0"
},
{
"status": "affected",
"version": "1.12.0"
},
{
"status": "affected",
"version": "1.8.1"
},
{
"status": "affected",
"version": "1.10.1"
},
{
"status": "affected",
"version": "1.12.1"
},
{
"status": "affected",
"version": "1.12.6"
},
{
"status": "affected",
"version": "1.14.0"
},
{
"status": "affected",
"version": "1.10.2"
},
{
"status": "affected",
"version": "1.12.7"
},
{
"status": "affected",
"version": "1.12.2"
},
{
"status": "affected",
"version": "1.6.0"
},
{
"status": "affected",
"version": "1.9.0"
},
{
"status": "affected",
"version": "1.11.0"
},
{
"status": "affected",
"version": "1.7.0"
},
{
"status": "affected",
"version": "1.13.0"
},
{
"status": "affected",
"version": "1.8.4"
},
{
"status": "affected",
"version": "1.13.1"
},
{
"status": "affected",
"version": "1.9.1"
},
{
"status": "affected",
"version": "1.12.5"
},
{
"status": "affected",
"version": "1.13.2"
},
{
"status": "affected",
"version": "2.0.2"
},
{
"status": "affected",
"version": "1.1.0"
},
{
"status": "affected",
"version": "2.0.0"
},
{
"status": "affected",
"version": "2.0.1"
},
{
"status": "affected",
"version": "8.1.7.21512"
},
{
"status": "affected",
"version": "8.1.7"
},
{
"status": "affected",
"version": "8.1.5"
},
{
"status": "affected",
"version": "8.1.3.21242"
},
{
"status": "affected",
"version": "8.1.3"
},
{
"status": "affected",
"version": "8.1.5.21322"
},
{
"status": "affected",
"version": "8.1.7.21417"
},
{
"status": "affected",
"version": "2.1.0.14"
},
{
"status": "affected",
"version": "2.2.0"
},
{
"status": "affected",
"version": "2.3.0"
},
{
"status": "affected",
"version": "2.4.0"
},
{
"status": "affected",
"version": "2.5.0"
},
{
"status": "affected",
"version": "2.6.0"
},
{
"status": "affected",
"version": "2.7.0"
},
{
"status": "affected",
"version": "2.8.0"
},
{
"status": "affected",
"version": "2.9.0"
},
{
"status": "affected",
"version": "2.10.0"
},
{
"status": "affected",
"version": "2.10.1"
},
{
"status": "affected",
"version": "2.11.0"
},
{
"status": "affected",
"version": "1.14.1"
},
{
"status": "affected",
"version": "1.15.1"
},
{
"status": "affected",
"version": "1.15.2"
},
{
"status": "affected",
"version": "1.15.3"
},
{
"status": "affected",
"version": "1.15.4"
},
{
"status": "affected",
"version": "1.15.5"
},
{
"status": "affected",
"version": "1.15.6"
},
{
"status": "affected",
"version": "1.16.0"
},
{
"status": "affected",
"version": "1.16.1"
},
{
"status": "affected",
"version": "1.16.2"
},
{
"status": "affected",
"version": "1.16.3"
},
{
"status": "affected",
"version": "1.18.0"
},
{
"status": "affected",
"version": "1.18.1"
},
{
"status": "affected",
"version": "1.20.0"
},
{
"status": "affected",
"version": "1.21.0"
},
{
"status": "affected",
"version": "1.21.1"
},
{
"status": "affected",
"version": "1.21.2"
},
{
"status": "affected",
"version": "1.21.3"
},
{
"status": "affected",
"version": "1.22.0"
},
{
"status": "affected",
"version": "1.22.1"
},
{
"status": "affected",
"version": "1.22.2"
},
{
"status": "affected",
"version": "1.22.3"
},
{
"status": "affected",
"version": "1.22.4"
},
{
"status": "affected",
"version": "1.24.0"
},
{
"status": "affected",
"version": "1.24.1"
},
{
"status": "affected",
"version": "1.24.2"
},
{
"status": "affected",
"version": "1.24.3"
},
{
"status": "affected",
"version": "1.24.4"
},
{
"status": "affected",
"version": "1.26.0"
},
{
"status": "affected",
"version": "1.24.5"
},
{
"status": "affected",
"version": "1.26.1"
},
{
"status": "affected",
"version": "1.27.0"
},
{
"status": "affected",
"version": "1.15.0"
},
{
"status": "affected",
"version": "1.17.0"
},
{
"status": "affected",
"version": "1.17.1"
},
{
"status": "affected",
"version": "1.17.2"
},
{
"status": "affected",
"version": "1.19.0"
},
{
"status": "affected",
"version": "1.20.1"
},
{
"status": "affected",
"version": "1.20.2"
},
{
"status": "affected",
"version": "1.20.3"
},
{
"status": "affected",
"version": "1.20.4"
},
{
"status": "affected",
"version": "1.20.5"
},
{
"status": "affected",
"version": "1.20.6"
},
{
"status": "affected",
"version": "1.23.0"
},
{
"status": "affected",
"version": "1.23.1"
},
{
"status": "affected",
"version": "1.20.7"
},
{
"status": "affected",
"version": "1.20.8"
},
{
"status": "affected",
"version": "1.25.0"
},
{
"status": "affected",
"version": "1.25.1"
},
{
"status": "affected",
"version": "1.25.2"
},
{
"status": "affected",
"version": "1.27.1"
},
{
"status": "affected",
"version": "1.27.2"
},
{
"status": "affected",
"version": "7.3.13"
},
{
"status": "affected",
"version": "7.3.15"
},
{
"status": "affected",
"version": "7.4.1"
},
{
"status": "affected",
"version": "7.4.1.20425"
},
{
"status": "affected",
"version": "7.4.1.20439"
},
{
"status": "affected",
"version": "7.4.3"
},
{
"status": "affected",
"version": "7.4.3.20679"
},
{
"status": "affected",
"version": "7.4.5"
},
{
"status": "affected",
"version": "7.5.1.20813"
},
{
"status": "affected",
"version": "7.5.1.20833"
},
{
"status": "affected",
"version": "7.5.3"
},
{
"status": "affected",
"version": "7.5.5"
},
{
"status": "affected",
"version": "8.0.1.21160"
},
{
"status": "affected",
"version": "8.0.1.21164"
},
{
"status": "affected",
"version": "7.5.7"
},
{
"status": "affected",
"version": "7.5.9"
},
{
"status": "affected",
"version": "7.5.11"
},
{
"status": "affected",
"version": "8.1.7.21585"
},
{
"status": "affected",
"version": "7.5.13.21586"
},
{
"status": "affected",
"version": "7.5.13.21598"
},
{
"status": "affected",
"version": "8.2.1.21612"
},
{
"status": "affected",
"version": "8.2.1.21650"
},
{
"status": "affected",
"version": "7.5.15.21611"
},
{
"status": "affected",
"version": "7.5.17.21680"
},
{
"status": "affected",
"version": "8.2.3.30119"
},
{
"status": "affected",
"version": "8.2.4.30130"
},
{
"status": "affected",
"version": "8.4.0"
},
{
"status": "affected",
"version": "7.5.19"
},
{
"status": "affected",
"version": "8.4.1.30298"
},
{
"status": "affected",
"version": "8.4.2.30317"
},
{
"status": "affected",
"version": "8.4.1.30307"
},
{
"status": "affected",
"version": "7.5.20"
},
{
"status": "affected",
"version": "8.4.3"
},
{
"status": "affected",
"version": "8.4.4.30419"
},
{
"status": "affected",
"version": "8.4.4.30467"
},
{
"status": "affected",
"version": "7.5.21.21732"
},
{
"status": "affected",
"version": "8.4.5.30483"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-248",
"description": "Uncaught Exception",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-04T17:44:55.869Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-clamav-css-Fn4QSZ",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-css-Fn4QSZ"
}
],
"source": {
"advisory": "cisco-sa-clamav-css-Fn4QSZ",
"defects": [
"CSCwq32780"
],
"discovery": "EXTERNAL"
},
"title": "ClamAV CSS Image Parsing Error Handling Denial of Service Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20031",
"datePublished": "2026-03-04T17:17:33.372Z",
"dateReserved": "2025-10-08T11:59:15.353Z",
"dateUpdated": "2026-03-05T15:52:07.708Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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