CLSA-2026-1779533909

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1779533909.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1779533909
Upstream
  • CVE-2026-33278
Published
2026-05-23T10:58:33Z
Modified
2026-06-01T00:32:34.799323795Z
Summary
unbound: Fix of 3 CVEs
Details
  • CVE-2026-33278: dangling pointer dereference in dnsmsgdeepcopyregion() during DS sub-query suspend/resume; the previously-backported CVE-2023-50387-CVE-2023-50868.patch dragged the vulnerable '*res->rep = *origin->rep;' struct-assignment into our 1.16.2 tree. Save the destination rrsets pointer, sized-memcpy with rrsetref excluded, restore the pointer. Adds defense-in-depth paramsetsame() NSEC3 parameter consistency check called from all five nsec3prove* entry points.
References

Affected packages

TuxCare:AlmaLinux:9.2 / python3-unbound

Package

Name
python3-unbound
Purl
pkg:rpm/tuxcare/python3-unbound?distro=almalinux-9.2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.16.2-3.el9_2.tuxcare.els5

Database specific

source
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1779533909.json"

TuxCare:AlmaLinux:9.2 / unbound

Package

Name
unbound
Purl
pkg:rpm/tuxcare/unbound?distro=almalinux-9.2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.16.2-3.el9_2.tuxcare.els5

Database specific

source
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1779533909.json"

TuxCare:AlmaLinux:9.2 / unbound-devel

Package

Name
unbound-devel
Purl
pkg:rpm/tuxcare/unbound-devel?distro=almalinux-9.2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.16.2-3.el9_2.tuxcare.els5

Database specific

source
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1779533909.json"

TuxCare:AlmaLinux:9.2 / unbound-libs

Package

Name
unbound-libs
Purl
pkg:rpm/tuxcare/unbound-libs?distro=almalinux-9.2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.16.2-3.el9_2.tuxcare.els5

Database specific

source
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1779533909.json"