OpenSSL 0.9.7 before 0.9.7l and 0.9.8 before 0.9.8d allows remote attackers to cause a…
Priority MEDIUM 47CWE-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 and 0.9.8 before 0.9.8d allows remote attackers to cause a denial of service (infinite loop and memory consumption) via malformed ASN.1 structures that trigger an improperly handled error condition.
Why it matters now
EPSS 0.11042 95th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:* | 0.9.7 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:* | 0.9.7a | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:* | 0.9.7b | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:* | 0.9.7c | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:* | 0.9.7d | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:* | 0.9.7e | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:* | 0.9.7f | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:* | 0.9.7g | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:* | 0.9.7h | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:* | 0.9.7i | 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
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:* | 0.9.7j | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:* | 0.9.7k | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:* | 0.9.8 | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:* | 0.9.8a | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:* | 0.9.8b | Vulnerable | OpenSSL |
| cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:* | 0.9.8c | 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 ModerateRed 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 ModerateRed 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 ModerateRed 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 Importantopenssl 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: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2006:0695 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2006:0695 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | 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
- 2026-10-02 Threatist record created from CVE-2006-2937
- 2026-10-03 Alias added: GHSA-mwwc-2rmx-mj8j
References
Patch 19
- 2006-0054
- USN-353-1
- RHSA-2006:0695
- SUSE-SR:2006:024
- SUSE-SA:2006:058
- http://www.arkoon.fr/upload/alertes/37AK-2006-06-FR-1.1_FAST360_OPENSSL_ASN1.pdf
- FreeBSD-SA-06:23.openssl
- 20060928 [SECURITY] OpenSSL 0.9.8d and 0.9.7l released
- http://openvpn.net/changelog.html
- [3.9] 20061007 013: SECURITY FIX: October 7, 2006
- http://support.avaya.com/elmodocs2/security/ASA-2006-220.htm
- SSA:2006-272-01
- http://www.serv-u.com/releasenotes/
- http://www.openssl.org/news/secadv_20060928.txt
- http://kolab.org/security/kolab-vendor-notice-11.txt
- OpenPKG-SA-2006.021
- VU#247744
- DSA-1185
- 102668
Advisory 18
Other 46
- http://support.attachmate.com/techdocs/2374.html
- ADV-2006-4750
- http://www.vmware.com/support/esx21/doc/esx-213-200612-patch.html
- http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
- ADV-2006-4401
- http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
- http://support.avaya.com/elmodocs2/security/ASA-2006-260.htm
- http://docs.info.apple.com/article.html?artnum=304829
- http://www.vmware.com/support/server/doc/releasenotes_server.html
- ADV-2006-4036
- ADV-2006-4019
- http://www.vmware.com/support/ace2/doc/releasenotes_ace2.html
- ADV-2006-3869
- http://www.vmware.com/support/player2/doc/releasenotes_player2.html
- ADV-2006-4329
- ADV-2006-4327
- http://issues.rpath.com/browse/RPL-613
- http://www.xerox.com/downloads/usa/en/c/cert_ESSNetwork_XRX07001_v1.pdf
- ADV-2007-0343
- ADV-2006-3860
- http://www.vmware.com/support/player/doc/releasenotes_player.html
- http://www.f-secure.com/security/fsc-2006-6.shtml
- ADV-2006-4264
- http://www.vmware.com/support/ws6/doc/releasenotes_ws6.html
- http://www.vmware.com/support/esx2/doc/esx-202-200612-patch.html
- ADV-2008-2396
- ADV-2006-4761
- ADV-2006-4417
- http://www.vmware.com/support/esx25/doc/esx-254-200612-patch.html
- 29260
- [bind-announce] 20061103 Internet Systems Consortium Security Advisory. [revised]
- ADV-2007-2315
- ADV-2006-3820
- [security-announce] 20080317 VMSA-2008-0005 Updated VMware Workstation, VMware Player, VMware Server, VMware ACE, and VMware Fusion resolve critical security issues
- oval:org.mitre.oval:def:10560
- http://www.vmware.com/support/ws55/doc/releasenotes_ws55.html
- ADV-2008-0905
- ADV-2007-1401
- http://www.vmware.com/security/advisories/VMSA-2008-0005.html
- ADV-2006-3936
- ADV-2006-4980
- http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
- http://www.arkoon.fr/upload/alertes/41AK-2006-08-FR-1.1_SSL360_OPENSSL_ASN1.pdf
- ADV-2006-3902
- ADV-2007-2783
- http://www.vmware.com/support/esx25/doc/esx-253-200612-patch.html
More Openssl vulnerabilities
- 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
Sources
- CVE-2006-2937 · CVE Program
- CVE-2006-2937 · NVD
- FIRST EPSS
- GHSA-mwwc-2rmx-mj8j · GitHub Advisory Database · CC BY 4.0
- CVE-2006-2937 · Red Hat security data · CC BY 4.0
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