Linux · Security advisory · October 9, 2026
RHSA-2026:77017: Security update for 7 packages
RHSA-2026:77017, released October 9, 2026, fixes 2 CVEs across 7 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
| Product | Release | Fixed in |
|---|---|---|
| python3.12 | RHEL 9 | 0:3.12.15-1.el9_8 |
| python3.12-debug | RHEL 9 | 0:3.12.15-1.el9_8 |
| python3.12-devel | RHEL 9 | 0:3.12.15-1.el9_8 |
| python3.12-idle | RHEL 9 | 0:3.12.15-1.el9_8 |
| python3.12-libs | RHEL 9 | 0:3.12.15-1.el9_8 |
| python3.12-test | RHEL 9 | 0:3.12.15-1.el9_8 |
| python3.12-tkinter | RHEL 9 | 0:3.12.15-1.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| 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 |
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