ALSA-2026:18556

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Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18556.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:18556
Related
Published
2026-05-19T00:00:00Z
Modified
2026-05-26T16:45:07.228242700Z
Summary
Moderate: unbound security update
Details

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

Security Fix(es):

  • unbound: DNSBomb vulnerability (CVE-2024-33655)
  • unbound: Unbound domain hijacking via promiscuous records (CVE-2025-11411)

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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

References

Affected packages

AlmaLinux:10
python3-unbound

Package

Name
python3-unbound
Purl
pkg:rpm/almalinux/python3-unbound

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.2-7.el10

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18556.json"
unbound

Package

Name
unbound
Purl
pkg:rpm/almalinux/unbound

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.2-7.el10

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18556.json"
unbound-anchor

Package

Name
unbound-anchor
Purl
pkg:rpm/almalinux/unbound-anchor

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.2-7.el10

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18556.json"
unbound-devel

Package

Name
unbound-devel
Purl
pkg:rpm/almalinux/unbound-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.2-7.el10

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18556.json"
unbound-dracut

Package

Name
unbound-dracut
Purl
pkg:rpm/almalinux/unbound-dracut

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.2-7.el10

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18556.json"
unbound-libs

Package

Name
unbound-libs
Purl
pkg:rpm/almalinux/unbound-libs

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.2-7.el10

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18556.json"
unbound-utils

Package

Name
unbound-utils
Purl
pkg:rpm/almalinux/unbound-utils

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.2-7.el10

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:18556.json"