Linux · 
Fedora · Security advisory · November 7, 2026
Fedora · Security advisory · November 7, 2026FEDORA-2026-4AADE61415: Security update for 10 packages
FEDORA-2026-4AADE61415, released November 7, 2026, fixes 1 CVE across 10 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
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.8264
99th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| brotli | Fedora 43 | 1.2.1-1.fc43 |
| brotli-debuginfo | Fedora 43 | 1.2.1-1.fc43 |
| brotli-debugsource | Fedora 43 | 1.2.1-1.fc43 |
| brotli-devel | Fedora 43 | 1.2.1-1.fc43 |
| libbrotli | Fedora 43 | 1.2.1-1.fc43 |
| libbrotli-debuginfo | Fedora 43 | 1.2.1-1.fc43 |
| perl-Alien-Brotli | Fedora 43 | 0.2.2-12.fc43 |
| perl-Alien-Brotli-tests | Fedora 43 | 0.2.2-12.fc43 |
| python3-brotli | Fedora 43 | 1.2.1-1.fc43 |
| python3-brotli-debuginfo | Fedora 43 | 1.2.1-1.fc43 |
CVEs this fix closes
| Priority | CVE | Title | 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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