CLSA-2026-1780055430
See a problem?- Import Source
- https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1780055430.json
- JSON Data
- https://api.osv.dev/v1/vulns/CLSA-2026-1780055430
- Upstream
- Published
- 2026-05-29T11:50:34Z
- Modified
- 2026-10-26T09:43:17Z
- Summary
- unbound: Fix of 3 CVEs
- Details
-
- CVE-2026-42944: fix heap overflow when a query contains multiple NSID or PADDING EDNS options; only emit each option once per query via nsid_seen / padding_seen guards (COOKIE handler does not exist in 1.16.2)
- CVE-2026-41292: cap parsed incoming EDNS options at 100 per query so a flood of options cannot hold a resolver worker thread
- CVE-2026-42959: fix DNSSEC-validation crash in val_fill_reply() by using chase->ns_numrrsets instead of the wrong orig->ns_numrrsets when computing the chase rrsets offset
- References
Affected packages
TuxCare:CentOS-Stream:8 / python3-unbound
Package
- Name
- python3-unbound
- Purl
- pkg:rpm/tuxcare/python3-unbound?distro=centos-stream-8
TuxCare:CentOS-Stream:8 / unbound
Package
- Name
- unbound
- Purl
- pkg:rpm/tuxcare/unbound?distro=centos-stream-8
TuxCare:CentOS-Stream:8 / unbound-devel
Package
- Name
- unbound-devel
- Purl
- pkg:rpm/tuxcare/unbound-devel?distro=centos-stream-8