Multiple vulnerabilities in ClamAV (July 2, 2026)

unknownCVE-2026-20216 CVE-2026-20243 CVE-2026-20215 CVE-2026-20213 CVE-2026-20214 CVE-2026-20217

Multiple vulnerabilities have been discovered in ClamAV. They allow an attacker to cause denial of service and an unspecified security issue by the vendor.

CSIRTS triage

vendor: ClamAV product: ClamAV Denial of serviceOther

What: Multiple vulnerabilities allow for denial of service and an unspecified security issue.
Who is affected: Users of ClamAV are affected.
Urgency: Remediation is urgent due to the potential for exploitation.
Action: Apply patches or mitigations as provided by ClamAV.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-07-02
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0824/

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-202160.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all scored CVEs.
Low exploitation riskCVE-2026-202430.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all scored CVEs.
Low exploitation riskCVE-2026-202150.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all scored CVEs.
Low exploitation riskCVE-2026-202130.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all scored CVEs.
Low exploitation riskCVE-2026-202140.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all scored CVEs.
Low exploitation riskCVE-2026-202170.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all scored CVEs.
Low exploitation riskCVE-2026-202440.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all scored CVEs.
Low exploitation riskCVE-2026-416760.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-20216	coverage & exploitation status	NVD · CVE.org
CVE-2026-20243	coverage & exploitation status	NVD · CVE.org
CVE-2026-20215	coverage & exploitation status	NVD · CVE.org
CVE-2026-20213	coverage & exploitation status	NVD · CVE.org
CVE-2026-20214	coverage & exploitation status	NVD · CVE.org
CVE-2026-20217	coverage & exploitation status	NVD · CVE.org
CVE-2026-20244	coverage & exploitation status	NVD · CVE.org
CVE-2026-41676	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for ClamAV

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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