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TI-2006-02845 Aliases CVE-2006-2940GHSA-6qr5-8633-2jmp

OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows attackers…

Priority MEDIUM 42CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.05097 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 47

CPEVersionsRoleVendor
cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*0.9.1cVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*0.9.2bVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*0.9.3VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:*0.9.3aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*0.9.4VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:*0.9.5VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:*0.9.5 beta1VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:*:*0.9.5 beta2VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*0.9.5aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:*:*0.9.5a beta1VulnerableOpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:* Versions 0.9.1c Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:* Versions 0.9.2b Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:* Versions 0.9.3 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:* Versions 0.9.3a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:* Versions 0.9.4 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:* Versions 0.9.5 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:* Versions 0.9.5 beta1 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:*:* Versions 0.9.5 beta2 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:* Versions 0.9.5a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:*:* Versions 0.9.5a beta1 Vulnerable ·OpenSSL
Show 37 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:*0.9.5a beta2VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*0.9.6VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:*0.9.6 beta1VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:*:*0.9.6 beta2VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:*0.9.6 beta3VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:*0.9.6aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:*:*0.9.6a beta1VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:*:*0.9.6a beta2VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:*:*0.9.6a beta3VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:*0.9.6bVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*0.9.6cVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*0.9.6dVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*0.9.6eVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*0.9.6fVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*0.9.6gVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*0.9.6hVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*0.9.6iVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:*0.9.6jVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:*0.9.6kVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:*0.9.6lVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:*0.9.6mVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*0.9.7VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*0.9.7aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*0.9.7bVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*0.9.7cVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*0.9.7dVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:*0.9.7eVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:*0.9.7fVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:*0.9.7gVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:*0.9.7hVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:*0.9.7iVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:*0.9.7jVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:*0.9.7kVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*0.9.8VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*0.9.8aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*0.9.8bVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*0.9.8cVulnerableOpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:* Versions 0.9.5a beta2 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:* Versions 0.9.6 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:* Versions 0.9.6 beta1 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:*:* Versions 0.9.6 beta2 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:* Versions 0.9.6 beta3 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:* Versions 0.9.6a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:*:* Versions 0.9.6a beta1 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:*:* Versions 0.9.6a beta2 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:*:* Versions 0.9.6a beta3 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:* Versions 0.9.6b Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:* Versions 0.9.6c Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:* Versions 0.9.6d Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:* Versions 0.9.6e Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:* Versions 0.9.6f Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:* Versions 0.9.6g Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:* Versions 0.9.6h Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:* Versions 0.9.6i Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:* Versions 0.9.6j Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:* Versions 0.9.6k Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:* Versions 0.9.6l Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:* Versions 0.9.6m Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:* Versions 0.9.7 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:* Versions 0.9.7a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:* Versions 0.9.7b Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:* Versions 0.9.7c Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:* Versions 0.9.7d Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:* Versions 0.9.7e Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:* Versions 0.9.7f Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:* Versions 0.9.7g Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:* Versions 0.9.7h Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:* Versions 0.9.7i Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:* Versions 0.9.7j Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:* Versions 0.9.7k Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:* Versions 0.9.8 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:* Versions 0.9.8a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:* Versions 0.9.8b Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:* Versions 0.9.8c Vulnerable ·OpenSSL

Remediation

Red Hat 4 advisories

  • RHSA-2008:0629 Released 2008-08-13 · Red Hat rating Moderate
    Red Hat Network Satellite Server Solaris client security update
    • Red Hat Satellite 5.1 (RHEL v.4 AS) rhn-solaris-bootstrap-5.1.1-3, rhn_solaris_bootstrap_5_1_1_3-1-0
  • RHSA-2008:0525 Released 2008-06-30 · Red Hat rating Moderate
    Red Hat Network Satellite Server Solaris client security update
    • Red Hat Satellite v 4.2 (RHEL v.3 AS) rhn-solaris-bootstrap-5.0.2-3, rhn_solaris_bootstrap_5_0_2_3-1-0
    • Red Hat Satellite v 4.2 (RHEL v.4 AS) rhn-solaris-bootstrap-5.0.2-3, rhn_solaris_bootstrap_5_0_2_3-1-0
  • RHSA-2008:0264 Released 2008-05-20 · Red Hat rating Moderate
    Red Hat Network Satellite Server Solaris client security update
    • Red Hat Satellite 5.0 (RHEL v.4 AS) rhn-solaris-bootstrap-5.0.2-3, rhn_solaris_bootstrap_5_0_2_3-1-0
Show 1 more Red Hat advisories
  • RHSA-2006:0695 Released 2006-09-28 · Red Hat rating Important
    openssl security update
    • Red Hat Desktop version 3 openssl-0.9.7a-33.21, openssl-0.9.7a-33.21.i386, openssl-devel-0.9.7a-33.21 +5
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 openssl-0.9.6b-46, openssl-0.9.6b-46.i386, openssl-0.9.6b-46.ia64 +10
    • Red Hat Enterprise Linux AS version 3 openssl-0.9.7a-33.21, openssl-0.9.7a-33.21.i386, openssl-0.9.7a-33.21.ia64 +13
    • Red Hat Enterprise Linux AS version 4 openssl-0.9.7a-43.14, openssl-0.9.7a-43.14.i386, openssl-0.9.7a-43.14.ia64 +13
    • Red Hat Enterprise Linux Desktop version 4 openssl-0.9.7a-43.14, openssl-0.9.7a-43.14.i386, openssl-devel-0.9.7a-43.14 +5
    • Red Hat Enterprise Linux ES version 2.1 openssl-0.9.6b-46, openssl-0.9.6b-46.i386, openssl-devel-0.9.6b-46.i386 +1
    • Red Hat Enterprise Linux ES version 3 openssl-0.9.7a-33.21, openssl-0.9.7a-33.21.i386, openssl-0.9.7a-33.21.ia64 +9
    • Red Hat Enterprise Linux ES version 4 openssl-0.9.7a-43.14, openssl-0.9.7a-43.14.i386, openssl-0.9.7a-43.14.ia64 +9
    • Red Hat Enterprise Linux WS version 2.1 openssl-0.9.6b-46, openssl-0.9.6b-46.i386, openssl-devel-0.9.6b-46.i386 +1
    • Red Hat Enterprise Linux WS version 3 openssl-0.9.7a-33.21, openssl-0.9.7a-33.21.i386, openssl-0.9.7a-33.21.ia64 +9
    • Red Hat Enterprise Linux WS version 4 openssl-0.9.7a-43.14, openssl-0.9.7a-43.14.i386, openssl-0.9.7a-43.14.ia64 +9
    • Red Hat Linux Advanced Workstation 2.1 openssl-0.9.6b-46, openssl-0.9.6b-46.ia64, openssl-devel-0.9.6b-46.ia64 +5

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2006:0695
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2006:0695
Red Hat Enterprise Linux AS version 3Fixed RHSA-2006:0695
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0695
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0695
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2006:0695
Red Hat Enterprise Linux ES version 3Fixed RHSA-2006:0695
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0695
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2006:0695
Red Hat Enterprise Linux WS version 3Fixed RHSA-2006:0695
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0695
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2006:0695
Red Hat Satellite 5.0 (RHEL v.4 AS)Fixed RHSA-2008:0264
Red Hat Satellite 5.1 (RHEL v.4 AS)Fixed RHSA-2008:0629
Red Hat Satellite v 4.2 (RHEL v.3 AS)Fixed RHSA-2008:0525
Red Hat Satellite v 4.2 (RHEL v.4 AS)Fixed RHSA-2008:0525

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-2940
  2. 2026-10-03 Alias added: GHSA-6qr5-8633-2jmp

References

Advisory 31

Other 54

  • TI-2022-01915 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
  • TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
  • TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
  • TI-2022-01176 The c_rehash script allows command injection CVSS 3.1CRITICAL 9.8
  • TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
  • TI-2025-14107 Stack buffer overflow in CMS (Auth)EnvelopedData parsing CVSS 3.1HIGH 8.8
See all 312 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences