ALSA-2026:24369

Source
https://errata.almalinux.org/9/ALSA-2026-24369.html
Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:24369.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALSA-2026:24369
Related
Published
2026-06-08T00:00:00Z
Modified
2026-06-11T16:14:05.948083803Z
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

Affected packages

AlmaLinux:9 / 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
1.24.2-3.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:24369.json"

AlmaLinux:9 / unbound

Package

Name
unbound
Purl
pkg:rpm/almalinux/unbound

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.24.2-3.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:24369.json"

AlmaLinux:9 / 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
1.24.2-3.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:24369.json"

AlmaLinux:9 / 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
1.24.2-3.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:24369.json"

AlmaLinux:9 / 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
1.24.2-3.el9_8.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:24369.json"