RLSA-2026:23231
- Source
- https://errata.rockylinux.org/RLSA-2026:23231
- Import Source
- https://storage.googleapis.com/resf-osv-data/RLSA-2026:23231.json
- JSON Data
- https://api.osv.dev/v1/vulns/RLSA-2026:23231
- Upstream
- Published
- 2026-06-06T12:04:50.645853Z
- Modified
- 2026-06-06T12:30:04.780016134Z
- Severity
-
- 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- Important: unbound security update
- Details
-
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
unbound: Heap overflow and crash with multiple nsid, cookie, padding EDNS options (CVE-2026-42944)
unbound: Unbound DNSSEC Validator Denial of Service via Incorrect Write Offset Counter in Chase-Reply Messages (CVE-2026-42959)
unbound: Unbound DNSSEC Validator Use-After-Free via Deep Copy Pointer Overwrite Leading to DoS and Possible Remote Code Execution (CVE-2026-33278)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
- References
- Credits
-
-
- Rocky Enterprise Software Foundation
-
- Red Hat
-
Affected packages
Rocky Linux:10 / unbound
Package
- Name
- unbound
- Purl
- pkg:rpm/rocky-linux/unbound?distro=rocky-linux-10&epoch=0