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Oracle Linux ELSA-2026-23231 unbound Important DoS Issues

oracle
Calendar Grey July 22, 2026
Scroller Oracle
Oracle Linux 10 security advisory ELSA-2026-23231 addresses important updates for unbound packages to mitigate reported issues.
Oracle Linux has released updates for version 10 addressing multiple CVEs, including fixes for denial of service vulnerabilities and other security issues in the unbound software p...

Summary

[1.24.2-15] - Fix CVE-2026-42534: Jostle logic bypass degrades resolution performance [1.24.2-14] - Fix CVE-2026-41292: DoS via excessive EDNS options [1.24.2-13] - Add upstream unit test for CVE-2026-40622 [1.24.2-12] - Fix CVE-2026-44390: DoS with large RRsets [1.24.2-11] - Fix CVE-2026-40622: cache manipulation via 'ghost domain names' attack [1.24.2-10] - Fix CVE-2026-42959 [1.24.2-9] - Fix CVE-2026-42944 [1.24.2-8] - Fix CVE-2026-33278

Topics%20covered

Topics Covered

security advisory DoS vulnerability important Oracle unbound

SRPMs

http://oss.oracle.com/ol10/SRPMS-updates/unbound-1.24.2-7.el10_2.2.src.rpm

x86_64

python3-unbound-1.24.2-7.el10_2.2.x86_64.rpm unbound-1.24.2-7.el10_2.2.x86_64.rpm unbound-anchor-1.24.2-7.el10_2.2.x86_64.rpm unbound-devel-1.24.2-7.el10_2.2.x86_64.rpm unbound-dracut-1.24.2-7.el10_2.2.x86_64.rpm unbound-libs-1.24.2-7.el10_2.2.x86_64.rpm unbound-utils-1.24.2-7.el10_2.2.x86_64.rpm

aarch64

python3-unbound-1.24.2-7.el10_2.2.aarch64.rpm unbound-1.24.2-7.el10_2.2.aarch64.rpm unbound-anchor-1.24.2-7.el10_2.2.aarch64.rpm unbound-devel-1.24.2-7.el10_2.2.aarch64.rpm unbound-dracut-1.24.2-7.el10_2.2.aarch64.rpm unbound-libs-1.24.2-7.el10_2.2.aarch64.rpm unbound-utils-1.24.2-7.el10_2.2.aarch64.rpm

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2026-33278 CVE-2026-42944 CVE-2026-42959

Topics%20covered

Topics Covered

security advisory DoS vulnerability important Oracle unbound

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