Multiple vulnerabilities in Wireshark (July 09, 2026)

unknownCVE-2026-15163 CVE-2026-15167 CVE-2026-15171 CVE-2026-15169 CVE-2026-15168 CVE-2026-15173

Multiple vulnerabilities have been discovered in Wireshark. They allow an attacker to cause a remote denial of service and a breach of data confidentiality.

CSIRTS triage

vendor: Wireshark product: Wireshark Denial of service Information disclosure

What: Multiple vulnerabilities allow an attacker to cause a remote denial of service and a breach of data confidentiality.
Who is affected: Deployments of Wireshark are affected by these vulnerabilities.
Urgency: Remediation is urgent due to the potential for remote denial of service and data breaches.
Action: Update to the latest version of Wireshark to mitigate these vulnerabilities.

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: 2026-07-09
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-0849/

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-2026-151630.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
Low exploitation riskCVE-2026-151670.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.
Low exploitation riskCVE-2026-151710.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
Low exploitation riskCVE-2026-151690.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all scored CVEs.
Low exploitation riskCVE-2026-151680.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
Low exploitation riskCVE-2026-151730.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
Low exploitation riskCVE-2026-151740.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
Low exploitation riskCVE-2026-151700.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Low exploitation riskCVE-2026-151650.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
Low exploitation riskCVE-2026-151640.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-15163	coverage & exploitation status	NVD · CVE.org
CVE-2026-15167	coverage & exploitation status	NVD · CVE.org
CVE-2026-15171	coverage & exploitation status	NVD · CVE.org
CVE-2026-15169	coverage & exploitation status	NVD · CVE.org
CVE-2026-15168	coverage & exploitation status	NVD · CVE.org
CVE-2026-15173	coverage & exploitation status	NVD · CVE.org
CVE-2026-15174	coverage & exploitation status	NVD · CVE.org
CVE-2026-15170	coverage & exploitation status	NVD · CVE.org
CVE-2026-15165	coverage & exploitation status	NVD · CVE.org
CVE-2026-15164	coverage & exploitation status	NVD · CVE.org
CVE-2026-15172	coverage & exploitation status	NVD · CVE.org
CVE-2026-15166	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 Wireshark

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.

medium[NEW] [medium] Wireshark: Multiple vulnerabilitiescert-bund · 2026-07-09
lowCVE-2026-15168: BLF file parser in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows possible information di…nvd · 2026-07-08
mediumCVE-2026-15174: Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allo…nvd · 2026-07-08
mediumCVE-2026-15173: pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of servicenvd · 2026-07-08
mediumCVE-2026-15172: FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows den…nvd · 2026-07-08
mediumCVE-2026-15171: SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of …nvd · 2026-07-08