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TI-2011-01694 Aliases CVE-2011-1922GHSA-gcr6-mhvm-c5mf

daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the…

Priority LOW 30CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.

Why it matters now

EPSS 0.07085 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 22

CPEVersionsRoleVendor
cpe:2.3:a:nlnetlabs:unbound:1.0.0:*:*:*:*:*:*:*1.0.0VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.0.1:*:*:*:*:*:*:*1.0.1VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.0.2:*:*:*:*:*:*:*1.0.2VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.1.0:*:*:*:*:*:*:*1.1.0VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.1.1:*:*:*:*:*:*:*1.1.1VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.2.0:*:*:*:*:*:*:*1.2.0VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.2.1:*:*:*:*:*:*:*1.2.1VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.3.0:*:*:*:*:*:*:*1.3.0VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.3.1:*:*:*:*:*:*:*1.3.1VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.3.2:*:*:*:*:*:*:*1.3.2VulnerableNLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.1.1:*:*:*:*:*:*:* Versions 1.1.1 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·NLNETLABS
Show 12 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:nlnetlabs:unbound:1.3.3:*:*:*:*:*:*:*1.3.3VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.3.4:*:*:*:*:*:*:*1.3.4VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.0:*:*:*:*:*:*:*1.4.0VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.1:*:*:*:*:*:*:*1.4.1VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.2:*:*:*:*:*:*:*1.4.2VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.3:*:*:*:*:*:*:*1.4.3VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.4:*:*:*:*:*:*:*1.4.4VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.5:*:*:*:*:*:*:*1.4.5VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.6:*:*:*:*:*:*:*1.4.6VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.7:*:*:*:*:*:*:*1.4.7VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.8:*:*:*:*:*:*:*1.4.8VulnerableNLNETLABS
cpe:2.3:a:nlnetlabs:unbound:1.4.9:*:*:*:*:*:*:*1.4.9VulnerableNLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.5:*:*:*:*:*:*:* Versions 1.4.5 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.6:*:*:*:*:*:*:* Versions 1.4.6 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.7:*:*:*:*:*:*:* Versions 1.4.7 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.8:*:*:*:*:*:*:* Versions 1.4.8 Vulnerable ·NLNETLABS
  • cpe:2.3:a:nlnetlabs:unbound:1.4.9:*:*:*:*:*:*:* Versions 1.4.9 Vulnerable ·NLNETLABS

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1922
  2. 2026-10-03 Alias added: GHSA-gcr6-mhvm-c5mf

References

Patch 2

Advisory 1

Other 1

  • TI-2023-27571 Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related… CVSS 3.1HIGH 7.5
  • TI-2019-15178 Unbound before 1.9.5 allows an integer overflow in a size calculation in… CVSS 3.1CRITICAL 9.8
  • TI-2026-25690 Possible arbitrary code execution during DNSSEC validation CVSS 4.0CRITICAL 9.1
  • TI-2026-56302 Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY CVSS 4.0CRITICAL 9.1
  • TI-2019-15182 Unbound before 1.9.5 allows an out-of-bounds write via a compressed name in rdata_copy. CVSS 3.1CRITICAL 9.8
  • TI-2019-15179 Unbound before 1.9.5 allows an integer overflow in a size calculation in respip/respip.c. CVSS 3.1CRITICAL 9.8
See all 72 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences