Linux · Security advisory · July 21, 2026
ELSA-2026-23231: Security update for 7 packages
ELSA-2026-23231, released July 21, 2026, fixes 3 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
3
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0142
72nd percentile
Priority of the 3 CVEs
Patch now 0
Urgent 1
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| python3-unbound | ol 10 | 0:1.24.2-7.el10_2.2 |
| unbound | ol 10 | 0:1.24.2-7.el10_2.2 |
| unbound-anchor | ol 10 | 0:1.24.2-7.el10_2.2 |
| unbound-devel | ol 10 | 0:1.24.2-7.el10_2.2 |
| unbound-dracut | ol 10 | 0:1.24.2-7.el10_2.2 |
| unbound-libs | ol 10 | 0:1.24.2-7.el10_2.2 |
| unbound-utils | ol 10 | 0:1.24.2-7.el10_2.2 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-33278 | Possible arbitrary code execution during DNSSEC validation | 9.8 | 0.0142 | None reported | |
| High | CVE-2026-42944 | Heap overflow with multiple NSID, COOKIE, PADDING EDNS options | 8.1 | 0.0084 | None reported | |
| High | CVE-2026-42959 | Crash during DNSSEC validation of malicious content | 8.1 | 0.0081 | None reported |
Showing 1 to 3 of 3
1