RLSA-2026:71487

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Source

https://errata.rockylinux.org/RLSA-2026:71487

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:71487.json

JSON Data

https://api.osv.dev/v1/vulns/RLSA-2026:71487

Upstream

CVE (3)

Published

2026-09-25T18:04:58Z

Modified

2026-09-25T18:24:41Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Critical: unbound security update

Details

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.

Security Fix(es):

unbound: Unbound: Remote Code Execution Vulnerability in CNAME Synthesis (CVE-2026-82717)
unbound: Unbound: Heap buffer overflow via malicious DNSSEC response (CVE-2026-81634)
unbound: Unbound: Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY (CVE-2026-81642)

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.

Database specific

{
    "license":  "CC-BY-4.0",
    "license_url":  "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory":  "RHSA-2026:71487"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:9 / unbound

Package

Name: unbound
Purl: pkg:rpm/rocky-linux/unbound?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:1.24.2-3.el9_8.8

Database specific

Show details

{
    "yum_repository":  "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:71487.json"