Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Red Hat Enterprise Linux 9
Product reference — Red Hat Enterprise Linux 9 by Red Hat · sector: Operating Systems & Platforms. Cumulative disclosure record for this product across the archive.
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Product totals
| All-time | YTD | |
|---|---|---|
| CVEs | 730 | 574 |
| KEV entries | 1 | 0 |
| KEV/100 | Med CVSS | Med EPSS | C | H | M | L |
|---|---|---|---|---|---|---|
| 0.1 | 6.5 | .0029 | 22 | 291 | 371 | 46 |
KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.
Monthly disclosures
Trend (by first-seen month, full archive): ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▁▁▁▁▁▁▁▂▂▂▅▆▆█▆
| Month | New CVEs |
|---|---|
| 2025-11 | 8 |
| 2025-12 | 4 |
| 2026-01 | 6 |
| 2026-02 | 3 |
| 2026-03 | 21 |
| 2026-04 | 22 |
| 2026-05 | 21 |
| 2026-06 | 82 |
| 2026-07 | 87 |
| 2026-08 | 98 |
| 2026-09 | 133 |
| 2026-10 | 101 |
Notable CVEs
Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2023-4911 | 7.8 | 99.2 | HIGH | YES | 2023-10-03 |
| CVE-2024-6387 | 8.1 | 99.9 | HIGH | — | 2024-07-01 |
| CVE-2024-3094 | 10.0 | 99.8 | CRITICAL | — | 2024-03-29 |
| CVE-2023-46847 | 7.5 | 99.8 | HIGH | — | 2023-11-03 |
| CVE-2025-26466 | 5.9 | 98.6 | MEDIUM | — | 2025-02-28 |
| CVE-2025-10230 | 10.0 | 98.6 | CRITICAL | — | 2025-11-07 |
| CVE-2024-6409 | 7.0 | 98.1 | HIGH | — | 2024-07-08 |
| CVE-2026-4480 | 9.0 | 96.5 | CRITICAL | — | 2026-05-26 |
| CVE-2023-5178 | 8.8 | 95.4 | HIGH | — | 2023-11-01 |
| CVE-2026-4631 | 9.8 | 95.3 | CRITICAL | — | 2026-04-07 |
| CVE-2024-12085 | 7.5 | 95.1 | HIGH | — | 2025-01-14 |
| CVE-2023-3338 | 6.5 | 95.0 | MEDIUM | — | 2023-06-30 |
| CVE-2025-26465 | 6.8 | 94.6 | MEDIUM | — | 2025-02-18 |
| CVE-2023-6246 | 8.4 | 91.8 | HIGH | — | 2024-01-31 |
| CVE-2023-6779 | 8.2 | 87.8 | HIGH | — | 2024-01-31 |
Recent CVEs
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2026-16487 | 8.1 | — | HIGH | — | 2026-10-19 |
| CVE-2026-16460 | 7.4 | — | HIGH | — | 2026-10-19 |
| CVE-2026-62439 | 7.0 | 7.5 | HIGH | — | 2026-10-16 |
| CVE-2026-85977 | 5.3 | 19.2 | MEDIUM | — | 2026-10-16 |
| CVE-2026-17591 | 3.6 | 1.2 | LOW | — | 2026-10-16 |
| CVE-2026-111555 | 6.0 | 1.1 | MEDIUM | — | 2026-10-16 |
| CVE-2026-111581 | 3.3 | 2.1 | LOW | — | 2026-10-16 |
| CVE-2026-89098 | 5.5 | 0.9 | MEDIUM | — | 2026-10-16 |
| CVE-2026-104715 | 7.8 | 3.5 | HIGH | — | 2026-10-16 |
| CVE-2026-85231 | 6.5 | 20.9 | MEDIUM | — | 2026-10-16 |
| CVE-2026-62438 | 6.1 | 1.6 | MEDIUM | — | 2026-10-16 |
| CVE-2026-111802 | 6.6 | 2.2 | MEDIUM | — | 2026-10-16 |
| CVE-2026-89088 | 5.5 | 1.5 | MEDIUM | — | 2026-10-16 |
| CVE-2026-89096 | 5.9 | 22.3 | MEDIUM | — | 2026-10-16 |
| CVE-2026-89085 | 6.6 | 4.7 | MEDIUM | — | 2026-10-16 |
KEV entries
| CVE | KEV added | CVSS | EPSS %ile | Severity |
|---|---|---|---|---|
| CVE-2023-4911 | 2023-11-21 | 7.8 | 99.2 | HIGH |
Related
Vendor: Red Hat — all products and the full vendor record.
Methodology
A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.
Sources. CVE Program (cvelistV5), NVD (NIST), CISA KEV, FIRST EPSS.
