CVE-2026-3196

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory published 2026-06-19. a secondary CVSS source baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

A fix is available — apply it.

An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.

CVSS v3
5.5
EG Score
5.5(high)
EPSS
1.1%
KEV
Not listed

Published

June 19, 2026

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Jun 24, 2026
Patch available. Sources: redhat.
redhat

2443789 – (CVE-2026-3196) CVE-2026-3196 qemu-kvm: virtio-snd: integer overflow leading to unbounded memory allocation

https://bugzilla.redhat.com/show_bug.cgi?id=2443789
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-3196

Vendor Advisories for CVE-2026-3196(2)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuqemu-utils (1:10.1.0+ds-5ubuntu2.6) @ questing2026-07-06ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 24× in last 7d / 55× 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. 2026-07-06 23:39 UTCEG score recompute
  2. 2026-07-06 23:39 UTCVendor advisory
  3. 2026-07-06 23:39 UTCGHSA enrichment
  4. 2026-07-05 21:52 UTCEG score recompute
  5. 2026-07-05 21:52 UTCVendor advisory
  6. 2026-07-05 21:52 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 20:05 UTCEG score recompute
  9. 2026-07-04 20:05 UTCVendor advisory
  10. 2026-07-04 20:05 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 18:18 UTCEG score recompute
  13. 2026-07-03 18:18 UTCVendor advisory
  14. 2026-07-03 18:18 UTCGHSA enrichment
  15. 2026-07-02 16:31 UTCEG score recompute
  16. 2026-07-02 16:31 UTCVendor advisory
  17. 2026-07-02 16:31 UTCGHSA enrichment
  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-07-01 14:44 UTCEG score recompute
  20. 2026-07-01 14:44 UTCVendor advisory
  21. 2026-07-01 14:44 UTCGHSA enrichment
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-30 12:57 UTCEG score recompute
  24. 2026-06-30 12:56 UTCGHSA enrichment
  25. 2026-06-29 11:09 UTCEG score recompute
Show 30 more
  1. 2026-06-29 11:09 UTCVendor advisory
  2. 2026-06-29 11:09 UTCGHSA enrichment
  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 09:22 UTCEG score recompute
  5. 2026-06-28 09:22 UTCVendor advisory
  6. 2026-06-28 09:21 UTCGHSA enrichment
  7. 2026-06-28 04:56 UTCEPSS rescore
  8. 2026-06-27 07:35 UTCEG score recompute
  9. 2026-06-27 07:35 UTCVendor advisory
  10. 2026-06-27 07:35 UTCGHSA enrichment
  11. 2026-06-27 03:08 UTCEPSS rescore
  12. 2026-06-26 05:48 UTCEG score recompute
  13. 2026-06-26 05:48 UTCVendor advisory
  14. 2026-06-26 05:48 UTCGHSA enrichment
  15. 2026-06-25 04:00 UTCEG score recompute
  16. 2026-06-25 04:00 UTCVendor advisory
  17. 2026-06-25 04:00 UTCGHSA enrichment
  18. 2026-06-24 14:05 UTCEPSS rescore
  19. 2026-06-24 02:13 UTCEG score recompute
  20. 2026-06-24 02:13 UTCVendor advisory
  21. 2026-06-24 02:13 UTCGHSA enrichment
  22. 2026-06-23 21:33 UTCEPSS rescore
  23. 2026-06-23 00:25 UTCEG score recompute
  24. 2026-06-23 00:25 UTCGHSA enrichment
  25. 2026-06-21 22:37 UTCEG score recompute
  26. 2026-06-21 22:37 UTCGHSA enrichment
  27. 2026-06-20 20:49 UTCEG score recompute
  28. 2026-06-20 20:48 UTCGHSA enrichment
  29. 2026-06-19 19:01 UTCEG score recompute
  30. 2026-06-19 19:00 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-3196?
CVE-2026-3196 is a medium vulnerability published on June 19, 2026. An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.
When was CVE-2026-3196 disclosed?
CVE-2026-3196 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-3196 actively exploited?
CVE-2026-3196 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-3196?
CVE-2026-3196 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-3196?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3196, 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

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