CVE-2011-4869

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones, which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-399

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

Timeline

Published: Dec 20, 2011
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2011

CVE-2011-48706.8Multiple buffer overflows in the (1) GUIControls, (2) BatchObjSrv, and (3) BatchSecCtrl ActiveX controls in Invensys Wonderware InBatch 9.0 CVE-2011-48715.0Open Automation Software OPC Systems.NET before 5.0 allows remote attackers to cause a denial of service via a malformed .NET RPC packet on CVE-2011-48722.6Multiple HTC Android devices including Desire HD FRG83D and GRI40, Glacier FRG83, Droid Incredible FRF91, Thunderbolt 4G FRG83D, Sensation Z CVE-2011-48735.0Unspecified vulnerability in the server in Certec EDV atvise before 2.1 allows remote attackers to cause a denial of service (daemon crash) CVE-2011-48747.9Use-after-free vulnerability in MICROSYS PROMOTIC before 8.1.7 allows user-assisted remote attackers to execute arbitrary code or cause a de CVE-2011-48759.3Stack-based buffer overflow in HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal CVE-2011-48769.3Directory traversal vulnerability in HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA CVE-2011-48777.1HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Pane CVE-2011-48787.8Directory traversal vulnerability in miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinC CVE-2011-48798.5miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Upd CVE-2011-48805.0Directory traversal vulnerability in the web server in Certec atvise webMI2ADS (aka webMI) before 2.0.2 allows remote attackers to read arbi CVE-2011-48815.0The web server in Certec atvise webMI2ADS (aka webMI) before 2.0.2 does not properly check return values from functions, which allows remote