RLSA-2026:70754

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Source
https://errata.rockylinux.org/RLSA-2026:70754
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:70754.json
JSON Data
https://api.test.osv.dev/v1/vulns/RLSA-2026:70754
Upstream
CVE (3)
Published
2026-09-24T06:01:33Z
Modified
2026-09-24T06:30:02Z
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-2026:70754"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / unbound

Package

Name
unbound
Purl
pkg:rpm/rocky-linux/unbound?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:1.16.2-5.14.el8_10.4
Database specific
Show details 
{
    "yum_repository":  "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:70754.json"