Detections
Analytics
FreeBSD : bind920 -- multiple vulnerabilities (45921d77-b346-11f1-952f-589cfc023192)
medium Nessus Plugin ID 362910
Synopsis
The remote FreeBSD host is missing one or more security-related updates.Description
The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 45921d77-b346-11f1-952f-589cfc023192 advisory.ISC team reports:
CVE-2026-19668: Resource Exhaustion via Excessive DNSSEC Cryptographic Material Matching CVE-2026-19033: Unauthenticated IXFR deltas are applied to the live zone before TSIG verification CVE-2026-77119: NSEC3 insecure-referral proof can use unrelated cached NSEC3 RRsets CVE-2026-19941: checkwildcard() accepts an out-of-zone NSEC as a wildcard-nonexistence proof CVE-2026-19666: Use-after-free in query_addnoqnameproof() via the DNS64 filter64 path CVE-2026-19667: Remote assertion failure via 16-bit length truncation in dns_ncache_add() CVE-2026-19662: qpcache NOQNAME proof use-after-free crashes recursive resolver CVE-2026-75029: Message parser retains every identical singleton RDATA, enabling wire-to-work amplification CVE-2026-77692: Unauthenticated remote crash of named via a single DoH SIG(0) request CVE-2026-81736: Remote CPU denial of service through cached SVCB/HTTPS AliasMode trees CVE-2026-76163: named aborts on a TKEY query when the user configuration has no global options statement CVE-2026-78301: Out-of-zone database nodes can become authoritative zone cuts CVE-2026-80274: Validating resolver can abort while caching a mismatched NOQNAME proof CVE-2026-81563: SVCB AliasMode additional-data error leaks qpcache references
Tenable has extracted the preceding description block directly from the FreeBSD security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://kb.isc.org/docs/cve-2026-19033
https://kb.isc.org/docs/cve-2026-19662
https://kb.isc.org/docs/cve-2026-19666
https://kb.isc.org/docs/cve-2026-19667
https://kb.isc.org/docs/cve-2026-19668
https://kb.isc.org/docs/cve-2026-19941
https://kb.isc.org/docs/cve-2026-75029
https://kb.isc.org/docs/cve-2026-76163
https://kb.isc.org/docs/cve-2026-77119
https://kb.isc.org/docs/cve-2026-77692
https://kb.isc.org/docs/cve-2026-78301
https://kb.isc.org/docs/cve-2026-80274
https://kb.isc.org/docs/cve-2026-81563
Plugin Details
Severity: Medium
ID: 362910
File Name: freebsd_pkg_45921d77b34611f1952f589cfc023192.nasl
Version: 1.1
Type: Local
Family: FreeBSD Local Security Checks
Published: 10/4/2026
Updated: 10/4/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.2
Percentile: 96.33
CVSS v2
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 4.5
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:C/A:P
CVSS Score Source: CVE-2026-19033
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:bind920
Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info
Exploit Ease: No known exploits are available
Patch Publication Date: 10/4/2026
Vulnerability Publication Date: 9/16/2026
Reference Information
CVE: CVE-2026-19033, CVE-2026-19662, CVE-2026-19666, CVE-2026-19667, CVE-2026-19668, CVE-2026-19941, CVE-2026-75029, CVE-2026-76163, CVE-2026-77119, CVE-2026-77692, CVE-2026-78301, CVE-2026-80274, CVE-2026-81563, CVE-2026-81736
IAVA: 2026-A-1029