CVE-2026-43476

HIGHPre-NVD 7.87.8
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-13. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: 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:

iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas()

sizeof(num) evaluates to sizeof(size_t) (8 bytes on 64-bit) instead of the intended __be32 element size (4 bytes). Use sizeof(*meas) to correctly match the buffer element type.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

May 13, 2026

Last Modified

June 26, 2026

Advisory Details (7)

Auto-updated Jun 4, 2026
No patch confirmed yet.
generic

iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/dcdf1e92674efb6692f4ebe189e0aa9fde23a541
generic

iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/9aff2e9c2927ecd9652872a43a0725f101128104
generic

iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/90e978ace598567e6e30de79805bddf37cf892ac
generic

iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2a4d111a6a34afb8bb4f118009e7728ed2ec7e10
generic

iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/216345f98cae7fcc84f49728c67478ac00321c87
generic

iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/165f12b40901c6a7aca15796da239726ddcdc5ad
generic

iio: chemical: sps30_i2c: fix buffer size in sps30_i2c_read_meas() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/08881d82f94deaa51800360029908863e5c4c39d

Vendor Advisories for CVE-2026-43476(1)

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
linuxKernel @ 5.15.203osv

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.

Data Freshness Timeline

(refreshed 7× in last 7d / 25× 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.

Showing the most recent 100 of 117 total refreshes for this CVE.

  1. 2026-07-27 14:13 UTCEPSS rescore
  2. 2026-07-26 14:54 UTCEPSS rescore
  3. 2026-07-26 14:54 UTCEPSS rescore
  4. 2026-07-24 14:17 UTCEPSS rescore
  5. 2026-07-23 03:14 UTCEG score recompute
  6. 2026-07-22 14:08 UTCEPSS rescore
  7. 2026-07-21 15:24 UTCEPSS rescore
  8. 2026-07-20 17:08 UTCEPSS rescore
  9. 2026-07-19 02:29 UTCEPSS rescore
  10. 2026-07-18 10:04 UTCEPSS rescore
  11. 2026-07-18 02:59 UTCOSV refresh
  12. 2026-07-16 17:03 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-15 02:00 UTCEPSS rescore
  15. 2026-07-13 22:30 UTCEPSS rescore
  16. 2026-07-09 19:10 UTCEPSS rescore
  17. 2026-07-08 15:16 UTCEPSS rescore
  18. 2026-07-07 13:46 UTCEPSS rescore
  19. 2026-07-06 16:27 UTCEPSS rescore
  20. 2026-07-06 02:23 UTCEPSS rescore
  21. 2026-07-04 06:31 UTCEPSS rescore
  22. 2026-07-01 15:07 UTCEPSS rescore
  23. 2026-06-30 23:22 UTCEPSS rescore
  24. 2026-06-29 22:33 UTCGHSA enrichment
  25. 2026-06-29 14:06 UTCEPSS rescore
Show 75 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 12:53 UTCGHSA enrichment
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-27 23:33 UTCGHSA enrichment
  5. 2026-06-27 09:03 UTCGHSA enrichment
  6. 2026-06-27 03:08 UTCEPSS rescore
  7. 2026-06-26 20:32 UTCGHSA enrichment
  8. 2026-06-25 19:41 UTCGHSA enrichment
  9. 2026-06-25 13:49 UTCEPSS rescore
  10. 2026-06-25 13:49 UTCEPSS rescore
  11. 2026-06-24 14:05 UTCEPSS rescore
  12. 2026-06-23 21:33 UTCEPSS rescore
  13. 2026-06-22 14:25 UTCEPSS rescore
  14. 2026-06-22 14:25 UTCEPSS rescore
  15. 2026-06-21 14:56 UTCEPSS rescore
  16. 2026-06-21 14:56 UTCEPSS rescore
  17. 2026-06-21 01:59 UTCEPSS rescore
  18. 2026-06-19 19:25 UTCEPSS rescore
  19. 2026-06-18 17:52 UTCEPSS rescore
  20. 2026-06-18 17:52 UTCEPSS rescore
  21. 2026-06-17 17:53 UTCEPSS rescore
  22. 2026-06-17 14:34 UTCGHSA enrichment
  23. 2026-06-16 22:33 UTCGHSA enrichment
  24. 2026-06-16 17:52 UTCEPSS rescore
  25. 2026-06-16 00:56 UTCGHSA enrichment
  26. 2026-06-15 17:49 UTCEPSS rescore
  27. 2026-06-15 01:04 UTCGHSA enrichment
  28. 2026-06-14 12:17 UTCGHSA enrichment
  29. 2026-06-13 23:47 UTCGHSA enrichment
  30. 2026-06-13 23:00 UTCEPSS rescore
  31. 2026-06-13 06:32 UTCGHSA enrichment
  32. 2026-06-12 23:12 UTCEPSS rescore
  33. 2026-06-12 23:12 UTCEPSS rescore
  34. 2026-06-12 17:53 UTCGHSA enrichment
  35. 2026-06-12 05:23 UTCGHSA enrichment
  36. 2026-06-11 16:52 UTCGHSA enrichment
  37. 2026-06-11 14:00 UTCEPSS rescore
  38. 2026-06-11 04:04 UTCGHSA enrichment
  39. 2026-06-10 22:18 UTCEPSS rescore
  40. 2026-06-10 15:33 UTCGHSA enrichment
  41. 2026-06-10 13:22 UTCEPSS rescore
  42. 2026-06-10 13:22 UTCEPSS rescore
  43. 2026-06-10 03:03 UTCGHSA enrichment
  44. 2026-06-09 14:33 UTCGHSA enrichment
  45. 2026-06-09 02:03 UTCGHSA enrichment
  46. 2026-06-08 14:17 UTCEPSS rescore
  47. 2026-06-08 14:17 UTCEPSS rescore
  48. 2026-06-08 13:13 UTCGHSA enrichment
  49. 2026-06-08 00:42 UTCGHSA enrichment
  50. 2026-06-07 15:25 UTCEPSS rescore
  51. 2026-06-07 15:25 UTCEPSS rescore
  52. 2026-06-07 12:12 UTCGHSA enrichment
  53. 2026-06-06 23:42 UTCGHSA enrichment
  54. 2026-06-06 13:47 UTCEPSS rescore
  55. 2026-06-06 13:47 UTCEPSS rescore
  56. 2026-06-06 11:12 UTCGHSA enrichment
  57. 2026-06-05 22:47 UTCEPSS rescore
  58. 2026-06-05 22:40 UTCGHSA enrichment
  59. 2026-06-05 10:09 UTCGHSA enrichment
  60. 2026-06-05 06:10 UTCEPSS rescore
  61. 2026-06-05 06:10 UTCEPSS rescore
  62. 2026-06-04 21:39 UTCGHSA enrichment
  63. 2026-06-04 13:12 UTCEPSS rescore
  64. 2026-06-04 13:12 UTCEPSS rescore
  65. 2026-06-04 09:09 UTCGHSA enrichment
  66. 2026-06-03 20:38 UTCGHSA enrichment
  67. 2026-06-03 08:07 UTCGHSA enrichment
  68. 2026-06-02 20:13 UTCEPSS rescore
  69. 2026-06-02 19:37 UTCGHSA enrichment
  70. 2026-06-02 07:06 UTCGHSA enrichment
  71. 2026-06-01 18:36 UTCGHSA enrichment
  72. 2026-06-01 13:52 UTCEPSS rescore
  73. 2026-06-01 13:52 UTCEPSS rescore
  74. 2026-06-01 06:06 UTCEG score recompute 7.80
  75. 2026-06-01 06:06 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-43476?
CVE-2026-43476 is a high vulnerability published on May 13, 2026. In the Linux kernel, the following vulnerability has been resolved: iio: chemical: sps30i2c: fix buffer size in sps30i2creadmeas() sizeof(num) evaluates to sizeof(size_t) (8 bytes on 64-bit) instead of the intended be32 element size (4 bytes). Use sizeof(*meas) to correctly match the buffer element…
When was CVE-2026-43476 disclosed?
CVE-2026-43476 was first published in the National Vulnerability Database on May 13, 2026, with the most recent update on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43476 actively exploited?
CVE-2026-43476 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 97.7% of all scored CVEs.
What is the CVSS score of CVE-2026-43476?
CVE-2026-43476 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-43476?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43476, 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-2026-43476

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