RLSA-2026:92428: dotnet8.0 security update

RLSA-2026:92428, released November 7, 2026, fixes 2 CVEs in dotnet8.0 (version 0:8.0.133-1.el10_2). 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

None rated Critical

Exploited

CVE-2026-111497

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.8264

99th percentile

Priority of the 2 CVEs

Patch now 1
                                Urgent 0
                                High 1
                                Routine 0

Fixed package versions

Product	Release	Fixed in
dotnet8.0	rocky 10	0:8.0.133-1.el10_2

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
High	CVE-2026-114148	ASP.NET Core Elevation of Privilege Vulnerability	8.1	0.0036	Exploitation Less Likely

Also fixes CVE-2026-111497

RHSA-2026:19463
thunderbird on RHEL 10
RHSA-2026:13537
thunderbird on RHEL 8
ELSA-2026-13537
thunderbird on ol 8
ALSA-2026:13537
thunderbird on almalinux 8
RHSA-2026:17690
firefox on RHEL 10
RHSA-2026:10766
firefox on RHEL 8
ALSA-2026:10766
firefox on almalinux 8
ELSA-2026-10766
firefox on ol 8

Vendor advisory

https://errata.rockylinux.org/RLSA-2026:92428

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