Critical: unbound security update
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fix(es): * unbound: Unbound: Remote Code Execution Vulnerability in CNAME Synthesis (CVE-2026-82717) * unbound: Unbound: Heap buffer overflow via malicious DNSSEC response (CVE-2026-81634) * unbound: Unbound: Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY (CVE-2026-81642) 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.
RLSA-2026:71487
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:RLSA-2026:71487
unbound
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 0:1.24.2-3.el9_8.8
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.24.2-3.el9_8.8"
}
],
"database_specific": {
"yum_repository": "AppStream"
}
}
],
"package": {
"name": "unbound",
"purl": "pkg:rpm/rocky-linux/unbound?distro=rocky-linux-9&epoch=0",
"ecosystem": "Rocky Linux:9"
},
"database_specific": {
"source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:71487.json"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #17809 · Revision 1
- Added to Heist Feed
- Publisher date