CERTFR-2026-AVI-0992

Vulnerability from certfr_avis - Published: 2026-08-10 - Updated: 2026-08-10

De multiples vulnérabilités ont été découvertes dans ClamAV. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, un déni de service et un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
ClamAV ClamAV ClamAV versions antérieures à 1.4.6
ClamAV ClamAV ClamAV versions 1.5.x antérieures à 1.5.4
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "ClamAV versions ant\u00e9rieures \u00e0 1.4.6",
      "product": {
        "name": "ClamAV",
        "vendor": {
          "name": "ClamAV",
          "scada": false
        }
      }
    },
    {
      "description": "ClamAV versions 1.5.x ant\u00e9rieures \u00e0 1.5.4",
      "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-2025-8088",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-8088"
    },
    {
      "name": "CVE-2026-20348",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20348"
    },
    {
      "name": "CVE-2026-20347",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20347"
    },
    {
      "name": "CVE-2026-20346",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20346"
    },
    {
      "name": "CVE-2026-20345",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20345"
    },
    {
      "name": "CVE-2026-20338",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20338"
    },
    {
      "name": "CVE-2026-20337",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20337"
    },
    {
      "name": "CVE-2026-20339",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20339"
    }
  ],
  "initial_release_date": "2026-08-10T00:00:00",
  "last_revision_date": "2026-08-10T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0992",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-08-10T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans ClamAV. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, un d\u00e9ni de service et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans ClamAV",
  "vendor_advisories": [
    {
      "published_at": "2026-08-07",
      "title": "Bulletin de s\u00e9curit\u00e9 ClamAV clamav-154-and-146-security-patch",
      "url": "https://blog.clamav.net/2026/08/clamav-154-and-146-security-patch.html"
    }
  ]
}



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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

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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.