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    CVE-2013-0166

    OpenSSL before 0.9.8y, 1.0.0 before 1.0.0k, and 1.0.1 before 1.0.1d does not properly perform signature verification for OCSP responses, which allows remote OCSP servers to cause a denial of service (NULL pointer dereference and application crash) via an invalid key.

    Published:Feb 5, 2013
    Last Modified:Apr 11, 2025
    EPS:Feb 8, 2013
    EPSS Score:0.04164
    CVSS Score:5

    Affected Products

    Vendor
    Openssl
    Product
    Openssl
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Jboss Enterprise Application Platform
    Vendor
    Redhat
    Product
    Jboss Enterprise Web Platform
    Vendor
    Redhat
    Product
    Jboss Enterprise Web Server
    Vendor
    Redhat
    Product
    Openssl

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-75803 (CVSS 9.1) — Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without ve…
    CVE-2026-63075 (CVSS 7.5) — Issue summary: When OpenSSL processes QUIC traffic from a peer that repeatedly sends ack-eliciting packets whi…
    CVE-2026-63072 (CVSS 7.5) — Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key s…
    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…
    CVE-2026-14457 (CVSS 7.5) — Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the p…
    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…
    CVE-2026-63073 (CVSS 9.8) — Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directl…
    CVE-2026-18798 (CVSS 7.5) — Issue summary: QUIC server may double free QRX (QUIC record layer RX) object when channel creation fails for i…
    CVE-2026-14456 (CVSS 7.5) — Issue summary: When an OpenSSL QUIC server (Listener SSL object) processes valid QUIC Initial packets for unkn…

    References

    http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=62e4506a7d4cec1c8e1ff687f6b220f6a62a57c7
    http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=66e8211c0b1347970096e04b18aa52567c325200
    http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=ebc71865f0506a293242bd4aec97cdc7a8ef24b0
    http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
    http://marc.info/?l=bugtraq&m=136396549913849&w=2
    http://marc.info/?l=bugtraq&m=136432043316835&w=2
    http://marc.info/?l=bugtraq&m=137545771702053&w=2
    http://rhn.redhat.com/errata/RHSA-2013-0587.html
    http://rhn.redhat.com/errata/RHSA-2013-0782.html
    http://rhn.redhat.com/errata/RHSA-2013-0783.html
    http://rhn.redhat.com/errata/RHSA-2013-0833.html
    http://secunia.com/advisories/53623
    http://secunia.com/advisories/55108
    http://secunia.com/advisories/55139
    http://support.apple.com/kb/HT5880
    http://www.debian.org/security/2013/dsa-2621
    http://www.kb.cert.org/vuls/id/737740
    http://www.openssl.org/news/secadv_20130204.txt
    http://www.splunk.com/view/SP-CAAAHXG
    https://bugzilla.redhat.com/show_bug.cgi?id=908052
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18754
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19081
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19360
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19487
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001
    http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=62e4506a7d4cec1c8e1ff687f6b220f6a62a57c7
    http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=66e8211c0b1347970096e04b18aa52567c325200
    http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=ebc71865f0506a293242bd4aec97cdc7a8ef24b0
    http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
    http://marc.info/?l=bugtraq&m=136396549913849&w=2
    http://marc.info/?l=bugtraq&m=136432043316835&w=2
    http://marc.info/?l=bugtraq&m=137545771702053&w=2
    http://rhn.redhat.com/errata/RHSA-2013-0587.html
    http://rhn.redhat.com/errata/RHSA-2013-0782.html
    http://rhn.redhat.com/errata/RHSA-2013-0783.html
    http://rhn.redhat.com/errata/RHSA-2013-0833.html
    http://secunia.com/advisories/53623
    http://secunia.com/advisories/55108
    http://secunia.com/advisories/55139
    http://support.apple.com/kb/HT5880
    http://www.debian.org/security/2013/dsa-2621
    http://www.kb.cert.org/vuls/id/737740
    http://www.openssl.org/news/secadv_20130204.txt
    http://www.splunk.com/view/SP-CAAAHXG
    https://bugzilla.redhat.com/show_bug.cgi?id=908052
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18754
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19081
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19360
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19487
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001

    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