Linux · Security advisory · October 7, 2026

RHSA-2026:77028: Security update for 8 packages

RHSA-2026:77028, released October 7, 2026, fixes 2 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
2
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0055
45th percentile

Priority of the 2 CVEs

Patch now 0 Urgent 1 High 1 Routine 0

Fixed package versions

ProductReleaseFixed in
python3.12RHEL 80:3.12.15-2.el8_10
python3.12-debugRHEL 80:3.12.15-2.el8_10
python3.12-develRHEL 80:3.12.15-2.el8_10
python3.12-idleRHEL 80:3.12.15-2.el8_10
python3.12-libsRHEL 80:3.12.15-2.el8_10
python3.12-rpm-macrosRHEL 80:3.12.15-2.el8_10
python3.12-testRHEL 80:3.12.15-2.el8_10
python3.12-tkinterRHEL 80:3.12.15-2.el8_10

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Urgent CVE-2026-19445 Use-after-free of a server-side SSLContext when sni_callback switches contexts 9.2 0.0052 None reported
High CVE-2026-19553 SSLContext.wrap_bio() missing validation of server_hostname parameter 8.1 0.0055 None reported
Showing 1 to 2 of 2 1