Linux · 
Red Hat · Security advisory · May 11, 2026
Red Hat · Security advisory · May 11, 2026RHSA-2026:15892: thunderbird security update
RHSA-2026:15892, released May 11, 2026, fixes 1 CVE in thunderbird (version 0:140.10.0-1.el9_7). 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 |
|---|---|---|
| thunderbird | RHEL 9 | 0:140.10.0-1.el9_7 |
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 |
Showing 1 to 1 of 1
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