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    CVE-2015-1794

    The ssl3_get_key_exchange function in ssl/s3_clnt.c in OpenSSL 1.0.2 before 1.0.2e allows remote servers to cause a denial of service (segmentation fault) via a zero p value in an anonymous Diffie-Hellman (DH) ServerKeyExchange message.

    Published:Dec 4, 2015
    Last Modified:Apr 12, 2025
    EPS:Dec 6, 2015
    EPSS Score:0.03134
    CVSS Score:5

    Affected Products

    Vendor
    Openssl
    Product
    Openssl

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-54874 (CVSS 7.5) — Issue summary: Receiving a DTLS record for a future epoch while a handshake is in progress causes OpenSSL to b…
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    CVE-2026-63076 (CVSS 7.5) — Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parame…
    CVE-2026-63074 (CVSS 5.9) — Issue summary: The OpenSSL Certificate Management Protocol (CMP) caches additional certificates (extraCerts) s…
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    References

    http://fortiguard.com/advisory/openssl-advisory-december-2015
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
    http://openssl.org/news/secadv/20151203.txt
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
    http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
    http://www.securitytracker.com/id/1034294
    http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583
    http://www.ubuntu.com/usn/USN-2830-1
    https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
    https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ada57746b6b80beae73111fe1291bf8dd89af91c
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322
    http://fortiguard.com/advisory/openssl-advisory-december-2015
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
    http://openssl.org/news/secadv/20151203.txt
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl
    http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
    http://www.securitytracker.com/id/1034294
    http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583
    http://www.ubuntu.com/usn/USN-2830-1
    https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
    https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ada57746b6b80beae73111fe1291bf8dd89af91c
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High