CVE-2006-3738
CVE-2006-3738 is a critical-severity vulnerability in Openssl with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 49% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 49% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Openssl
- Published:
- Last modified:
Description
Buffer overflow in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions has unspecified impact and remote attack vectors involving a long list of ciphers.
Frequently asked questions
- What is CVE-2006-3738?
- Buffer overflow in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions has unspecified impact and remote attack vectors involving a long list of ciphers.
- How severe is CVE-2006-3738?
- CVE-2006-3738 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2006-3738 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 49% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-3738?
- CVE-2006-3738 primarily affects Openssl. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2006-3738?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2006-3738 published?
- CVE-2006-3738 was published on 2006-09-28 and last updated on 2026-06-16.
References
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc
- ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
- http://docs.info.apple.com/article.html?artnum=304829
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771
- http://issues.rpath.com/browse/RPL-613
- http://itrc.hp.com/service/cki/docDisplay.do?docId=c00805100
- http://itrc.hp.com/service/cki/docDisplay.do?docId=c00849540
- http://kolab.org/security/kolab-vendor-notice-11.txt
- http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html
- http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049715.html
- http://marc.info/?l=bugtraq&m=130497311408250&w=2
- http://openbsd.org/errata.html#openssl2
- http://openvpn.net/changelog.html
- http://secunia.com/advisories/22094
- http://secunia.com/advisories/22116
- http://secunia.com/advisories/22130
- http://secunia.com/advisories/22165
- http://secunia.com/advisories/22166
- http://secunia.com/advisories/22172
- http://secunia.com/advisories/22186
- http://secunia.com/advisories/22193
- http://secunia.com/advisories/22207
- http://secunia.com/advisories/22212
- http://secunia.com/advisories/22216
- http://secunia.com/advisories/22220
- http://secunia.com/advisories/22240
- http://secunia.com/advisories/22259
- http://secunia.com/advisories/22260
- http://secunia.com/advisories/22284
- http://secunia.com/advisories/22298
Affected products (16)
- cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*
More vulnerabilities in Openssl
- CVE-2009-3245 — Critical (CVSS 10.0): OpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c,…
- CVE-2026-31789 — Critical (CVSS 9.8): Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer…
- CVE-2022-2274 — Critical (CVSS 9.8): The OpenSSL 3.0.4 release introduced a serious bug in the RSA implementation for X86_64 CPUs supporting the AVX512IFMA…
- CVE-2021-3711 — Critical (CVSS 9.8): In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt().…
- CVE-2016-6309 — Critical (CVSS 9.8): statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote…
- CVE-2016-6303 — Critical (CVSS 9.8): Integer overflow in the MDC2_Update function in crypto/mdc2/mdc2dgst.c in OpenSSL before 1.1.0 allows remote attackers…
Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities
- CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
- CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
- CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
- CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
Threat intelligence
Threat-intel indicators referencing this CVE:
- 90.160.135.217 (ipv4-addr)
- 62.36.19.42 (ipv4-addr)
- 62.36.19.41 (ipv4-addr)