CVE-2011-1922
daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-1922- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-1922- Updated
- 2026-11-02
EUVDEUVD-2011-1920 No score
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.
- Record
EUVD-2011-1920- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gcr6-mhvm-c5mf No score
daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface...
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.
- Record
GHSA-gcr6-mhvm-c5mf- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-1922- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-1922 No score
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.
- Record
DEBIAN-CVE-2011-1922- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1922 is a medium vulnerability (CVSS 4.3) in Nlnetlabs Unbound, published May 31, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.08%, the 94th percentile. Fixed in unbound 1.4.10-1.