Linux · Security advisory · October 5, 2026
ELSA-2026-75578: Security update for 7 packages
ELSA-2026-75578, released October 5, 2026, fixes 5 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
5
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0057
47th percentile
Priority of the 5 CVEs
Patch now 0
Urgent 0
High 5
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| bind9.18 | ol 9 | 32:9.18.29-14.el9_8.10 |
| bind9.18-chroot | ol 9 | 32:9.18.29-14.el9_8.10 |
| bind9.18-devel | ol 9 | 32:9.18.29-14.el9_8.10 |
| bind9.18-dnssec-utils | ol 9 | 32:9.18.29-14.el9_8.10 |
| bind9.18-doc | ol 9 | 32:9.18.29-14.el9_8.10 |
| bind9.18-libs | ol 9 | 32:9.18.29-14.el9_8.10 |
| bind9.18-utils | ol 9 | 32:9.18.29-14.el9_8.10 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-19666 | Use-after-free in query_addnoqnameproof() via the DNS64 filter64 path | 7.5 | 0.0057 | None reported | |
| High | CVE-2026-19667 | Remote assertion failure via 16-bit length truncation in `dns_ncache_add()` | 7.5 | 0.0057 | None reported | |
| High | CVE-2026-80274 | Validating resolver can abort while caching a mismatched NOQNAME proof | 7.5 | 0.0057 | None reported | |
| High | CVE-2026-81563 | SVCB AliasMode additional-data error leaks qpcache references | 7.5 | 0.0057 | None reported | |
| High | CVE-2026-81736 | bind9: If a BIND resolver has cached a tree of SVCB/HTTPS AliasMode records, and is then queried for the root of that tree,... | 7.5 | 0.0057 | None reported |
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