CVE-2011-4528
Gentoo Linux Security Advisory 201311-18
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.
Unbound antes de v1.4.13p2 intenta liberar memoria sin asignar durante el procesado de registros CNAME duplicados, lo que permite a servidores DNS remotos provocar una denegación de servicio (caída del demonio) a través de una respuesta modificada.
Multiple Denial of Service vulnerabilities have been found in Unbound. Versions less than 1.4.13_p2 are affected.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2011-11-22 CVE Reserved
- 2011-12-20 CVE Published
- 2024-08-07 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-399: Resource Management Errors
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://osvdb.org/77909 | Vdb Entry | |
| http://secunia.com/advisories/47326 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt | 2012-11-06 | |
| http://www.kb.cert.org/vuls/id/209659 | 2012-11-06 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | <= 1.4.13 Search vendor "Unbound" for product "Unbound" and version " <= 1.4.13" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.0 Search vendor "Unbound" for product "Unbound" and version "0.0" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.1 Search vendor "Unbound" for product "Unbound" and version "0.1" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.2 Search vendor "Unbound" for product "Unbound" and version "0.2" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.3 Search vendor "Unbound" for product "Unbound" and version "0.3" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.4 Search vendor "Unbound" for product "Unbound" and version "0.4" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.5 Search vendor "Unbound" for product "Unbound" and version "0.5" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.6 Search vendor "Unbound" for product "Unbound" and version "0.6" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.7 Search vendor "Unbound" for product "Unbound" and version "0.7" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.7.1 Search vendor "Unbound" for product "Unbound" and version "0.7.1" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.7.2 Search vendor "Unbound" for product "Unbound" and version "0.7.2" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.8 Search vendor "Unbound" for product "Unbound" and version "0.8" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.09 Search vendor "Unbound" for product "Unbound" and version "0.09" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.10 Search vendor "Unbound" for product "Unbound" and version "0.10" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 0.11 Search vendor "Unbound" for product "Unbound" and version "0.11" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.0.0 Search vendor "Unbound" for product "Unbound" and version "1.0.0" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.0.1 Search vendor "Unbound" for product "Unbound" and version "1.0.1" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.0.2 Search vendor "Unbound" for product "Unbound" and version "1.0.2" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.1.0 Search vendor "Unbound" for product "Unbound" and version "1.1.0" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.1.1 Search vendor "Unbound" for product "Unbound" and version "1.1.1" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.2.0 Search vendor "Unbound" for product "Unbound" and version "1.2.0" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.2.1 Search vendor "Unbound" for product "Unbound" and version "1.2.1" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.3.0 Search vendor "Unbound" for product "Unbound" and version "1.3.0" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.3.1 Search vendor "Unbound" for product "Unbound" and version "1.3.1" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.3.2 Search vendor "Unbound" for product "Unbound" and version "1.3.2" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.3.3 Search vendor "Unbound" for product "Unbound" and version "1.3.3" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.3.4 Search vendor "Unbound" for product "Unbound" and version "1.3.4" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.0 Search vendor "Unbound" for product "Unbound" and version "1.4.0" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.1 Search vendor "Unbound" for product "Unbound" and version "1.4.1" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.2 Search vendor "Unbound" for product "Unbound" and version "1.4.2" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.3 Search vendor "Unbound" for product "Unbound" and version "1.4.3" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.4 Search vendor "Unbound" for product "Unbound" and version "1.4.4" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.5 Search vendor "Unbound" for product "Unbound" and version "1.4.5" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.6 Search vendor "Unbound" for product "Unbound" and version "1.4.6" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.7 Search vendor "Unbound" for product "Unbound" and version "1.4.7" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.8 Search vendor "Unbound" for product "Unbound" and version "1.4.8" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.9 Search vendor "Unbound" for product "Unbound" and version "1.4.9" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.10 Search vendor "Unbound" for product "Unbound" and version "1.4.10" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.11 Search vendor "Unbound" for product "Unbound" and version "1.4.11" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.12 Search vendor "Unbound" for product "Unbound" and version "1.4.12" | - |
Affected
| ||||||
| Unbound Search vendor "Unbound" | Unbound Search vendor "Unbound" for product "Unbound" | 1.4.14 Search vendor "Unbound" for product "Unbound" and version "1.4.14" | rc1 |
Affected
| ||||||