CVE-2026-15163

HIGHNVD 7.55.5▼
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-07-08. NVD baseline CVSS 7.5; sources differ by 2.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service

CVSS v3
7.5
EG Score
5.5(medium)
EPSS
8.4%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 9, 2026

Advisory Details (4)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

Fuzz job crash: fuzz-2026-07-01-15119891537.pcap (#21383) · Issues · Wireshark Foundation / Wireshark · GitLab

https://gitlab.com/wireshark/wireshark/-/work_items/21383
generic

Fuzz job crash: fuzz-2026-06-07-14731326484.pcap (#21330) · Issues · Wireshark Foundation / Wireshark · GitLab

https://gitlab.com/wireshark/wireshark/-/work_items/21330
generic

Fuzz job crash: fuzz-2026-05-25-14532035511.pcap (#21277) · Issues · Wireshark Foundation / Wireshark · GitLab

https://gitlab.com/wireshark/wireshark/-/work_items/21277
generic

Fuzz job crash: fuzz-2026-05-25-14522946224.pcap (#21275) · Issues · Wireshark Foundation / Wireshark · GitLab

https://gitlab.com/wireshark/wireshark/-/work_items/21275

Vendor Advisories for CVE-2026-15163(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-12 05:46 UTCEPSS rescore
  2. 2026-07-11 21:18 UTCEG score recompute
  3. 2026-07-11 21:18 UTCGHSA enrichment
  4. 2026-07-11 08:27 UTCEPSS rescore
  5. 2026-07-10 21:16 UTCEG score recompute
  6. 2026-07-10 21:16 UTCGHSA enrichment
  7. 2026-07-09 21:46 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  8. 2026-07-09 21:14 UTCEG score recompute
  9. 2026-07-09 21:14 UTCGHSA enrichment
  10. 2026-07-09 19:10 UTCEPSS rescore
  11. 2026-07-08 21:12 UTCEG score recompute
  12. 2026-07-08 21:10 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-15163?
CVE-2026-15163 is a high vulnerability published on July 8, 2026. Multiple protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allow denial of service
When was CVE-2026-15163 disclosed?
CVE-2026-15163 was first published in the National Vulnerability Database on July 8, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15163 actively exploited?
CVE-2026-15163 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15163?
CVE-2026-15163 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.5.
How do I remediate CVE-2026-15163?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15163, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-15163

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