CVE-2006-2940

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows attackers to cause a denial of service (CPU consumption) via parasitic public keys with large (1) "public exponent" or (2) "public modulus" values in X.509 certificates that require extra time to process when using RSA signature verification.

Metrics

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

Weakness enumeration

CWE-399

Affected software

No affected versions have been published.

Timeline

Published
Sep 28, 2006
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2006

CVE-2006-29415.0Mailman before 2.1.9rc1 allows remote attackers to cause a denial of service via unspecified vectors involving "standards-breaking RFC 2231 CVE-2006-29425.1TWiki 4.0.0, 4.0.1, and 4.0.2 allows remote attackers to gain Twiki administrator privileges via a TWiki.TWikiRegistration form with a modifCVE-2006-29437.5Unspecified vulnerability in CGI-RESCUE WebFORM 4.1 and earlier allows remote attackers to inject email headers, which facilitates sending sCVE-2006-29445.0Unspecified vulnerability in CGI-RESCUE FORM2MAIL 1.21 and earlier allows remote attackers to inject email headers, which facilitates sendinCVE-2006-29454.0Unspecified vulnerability in the user profile change functionality in DokuWiki, when Access Control Lists are enabled, allows remote authentCVE-2006-29465.0Dmx Forum 2.1a stores _includes/bd.inc under the web root with insufficient access control, which allows remote attackers to obtain databaseCVE-2006-29475.0Dmx Forum 2.1a allows remote attackers to obtain username and password information via a direct request to pops/edit.php with a modified memCVE-2006-29485.0A-CART 2.0 stores the acart2_0.mdb file under the web document root with insufficient access control, which allows remote attackers to obtaiCVE-2006-29496.8Cross-site scripting (XSS) vulnerability in private.php in MyBB 1.1.2 allows remote attackers to inject arbitrary web script or HTML via theCVE-2006-29505.0Net Portal Dynamic System (NPDS) 5.10 and earlier allows remote attackers to obtain sensitive information via a direct request to (1) headerCVE-2006-29516.8Multiple cross-site scripting (XSS) vulnerabilities in Net Portal Dynamic System (NPDS) 5.10 and earlier allow remote attackers to inject arCVE-2006-29525.0Directory traversal vulnerability in Net Portal Dynamic System (NPDS) 5.10 and earlier allows remote attackers to read arbitrary files via a
CVE-2006-2940: High severity, CVSS 7.8 | Vulnix