CVE-2026-80909

UNRATEDCVSS · not yet scoredTrending — 3 sources updated this week
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS v2: Exploit: None knownExposed: 0

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

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: Reject UVD message with invalid number of h265 refs

Same change as for h264, avoids overflow later when calculating min dpb size.

(cherry picked from commit a4b0720e4f1601f97f59a2be9c1b4b94fa6527d5)

CVSS v3
EchelonGraph score
Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
EG Score
EG Risk
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 7, 2026

Vendor Advisories for CVE-2026-80909(2)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (56 versions)6.1.187-1
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 6.12.96-1 (33 versions)6.12.105-1
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.1~rc7-1~exp1 (168 versions)7.1.10-1

Data Freshness Timeline

(refreshed 11× in last 7d / 27× 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. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 11:07 UTCVendor advisory
  3. 2026-09-18 11:07 UTCGHSA enrichment
  4. 2026-09-16 14:08 UTCEPSS rescore
  5. 2026-09-16 05:15 UTCEPSS rescore
  6. 2026-09-15 18:19 UTCVendor advisory
  7. 2026-09-15 18:18 UTCGHSA enrichment
  8. 2026-09-15 03:12 UTCEPSS rescore
  9. 2026-09-15 03:12 UTCEPSS rescore
  10. 2026-09-13 01:01 UTCVendor advisory
  11. 2026-09-13 01:01 UTCGHSA enrichment
  12. 2026-09-10 08:12 UTCGHSA enrichment
  13. 2026-09-08 22:01 UTCEPSS rescore
  14. 2026-09-07 15:23 UTCVendor advisory
  15. 2026-09-07 15:23 UTCGHSA enrichment
  16. 2026-09-07 15:22 UTCNVD update
  17. 2026-09-07 14:33 UTCVendor advisory
  18. 2026-09-07 14:33 UTCGHSA enrichment
  19. 2026-09-07 14:26 UTCMITRE cvelistV5
  20. 2026-09-07 11:23 UTCEG score recompute
  21. 2026-09-07 11:23 UTCGHSA enrichment
  22. 2026-09-06 13:48 UTCEPSS rescore
  23. 2026-09-05 15:31 UTCEPSS rescore
  24. 2026-09-04 18:33 UTCGHSA enrichment
  25. 2026-09-04 18:26 UTCNVD update
Show 2 more
  1. 2026-09-04 17:29 UTCEG score recompute
  2. 2026-09-04 17:29 UTCMITRE cvelistV5first tracked

Frequently asked(4)

What is CVE-2026-80909?
CVE-2026-80909 is a publicly disclosed vulnerability published on September 4, 2026. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Reject UVD message with invalid number of h265 refs Same change as for h264, avoids overflow later when calculating min dpb size. (cherry picked from commit a4b0720e4f1601f97f59a2be9c1b4b94fa6527d5)
When was CVE-2026-80909 disclosed?
CVE-2026-80909 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-80909 actively exploited?
CVE-2026-80909 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 93.9% of all scored CVEs.
How do I remediate CVE-2026-80909?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-80909, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-80909

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