Linux · Security advisory · October 29, 2026
RHSA-2026:90495: Security update for 4 packages
RHSA-2026:90495, released October 29, 2026, fixes 1 CVE across 4 products. One of them is being exploited (CVE-2026-111497); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV1 publicly disclosed
CVEs closed
1
None rated Critical
Exploited
1
CVE-2026-111497
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.8264
99th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| brotli | RHEL 9 | 0:1.0.9-10.el9_8.1 |
| brotli-devel | RHEL 9 | 0:1.0.9-10.el9_8.1 |
| libbrotli | RHEL 9 | 0:1.0.9-10.el9_8.1 |
| python3-brotli | RHEL 9 | 0:1.0.9-10.el9_8.1 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2026-111497 | Google: CVE-2026-111497 Buffer overflow vulnerability in the Brotli decoder | 9.8 | 0.8264 | KEVDisclosedExploited |
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