RLSA-2026:55892

Source
https://errata.rockylinux.org/RLSA-2026:55892
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:55892.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:55892
Upstream
Published
2026-08-18T12:07:31Z
Modified
2026-08-18T12:30:03Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N 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: Unbound: Cache poisoning via insufficient RRSIG.Labels validation and premature cache writes (CVE-2026-44690)

  • unbound: Unbound: Denial of Service via malformed EDNS Report-Channel option (CVE-2026-55973)

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-2026:55892"
}
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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:1.24.2-7.el10_2.4
Database specific
Show details
{
    "yum_repository": "AppStream"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:55892.json"