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
Published May 31, 2011
4.3
MEDIUMCVSS 2.0
EPSS 7.08%
Description
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.
Affected products
No data.
- 1.0.0
- 1.0.1
- 1.0.2
- 1.1.0
- 1.1.1
- 1.2.0
- 1.2.1
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.4
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
- 1.4.4
- 1.4.5
- 1.4.6
- 1.4.7
- 1.4.8
- 1.4.9
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.08% (0.07085) | 94.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.08% (0.07085) | 93.38th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.22% (0.01218) | 77.67th | v4 (v2025.03.14) |
| Dec 17, 2024 | 10.93% (0.10934) | 95.09th | v3 (v2023.03.01) |
| Jan 19, 2024 | 1.66% (0.01662) | 86.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.67% (0.01669) | 85.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (7)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html vendor-advisoryx_refsource_FEDORA
- http://osvdb.org/72750 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/44865 third-party-advisoryx_refsource_SECUNIA
- http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt x_refsource_CONFIRMPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/531342 third-party-advisoryx_refsource_CERT-VNPatchUS Government Resource
- http://www.securityfocus.com/bid/47986 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67645 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html | vendor-advisoryx_refsource_FEDORA | |
| http://osvdb.org/72750 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/44865 | third-party-advisoryx_refsource_SECUNIA | |
| http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.kb.cert.org/vuls/id/531342 | third-party-advisoryx_refsource_CERT-VNPatchUS Government Resource | |
| http://www.securityfocus.com/bid/47986 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/67645 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.