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    CVE-2016-6306

    The certificate parser in OpenSSL before 1.0.1u and 1.0.2 before 1.0.2i might allow remote attackers to cause a denial of service (out-of-bounds read) via crafted certificate operations, related to s3_clnt.c and s3_srvr.c.

    Published:Sep 21, 2016
    Last Modified:Apr 12, 2025
    EPS:Sep 26, 2016
    EPSS Score:0.09365
    CVSS Score:5.9

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Hp
    Product
    Icewall Federation Agent
    Vendor
    Hp
    Product
    Icewall Mcrp
    Vendor
    Hp
    Product
    Icewall Sso
    Vendor
    Hp
    Product
    Icewall Sso Agent Option
    Vendor
    Nodejs
    Product
    Node.js
    Vendor
    Novell
    Product
    Suse Linux Enterprise Module For Web Scripting
    Vendor
    Openssl
    Product
    Openssl
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Jboss Core Services

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
    http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
    http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
    http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
    http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
    http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
    http://rhn.redhat.com/errata/RHSA-2016-1940.html
    http://seclists.org/fulldisclosure/2017/Jul/31
    http://www-01.ibm.com/support/docview.wss?uid=swg21995039
    http://www.debian.org/security/2016/dsa-3673
    http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
    http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
    http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
    http://www.securityfocus.com/bid/93153
    http://www.securitytracker.com/id/1036885
    http://www.ubuntu.com/usn/USN-3087-1
    http://www.ubuntu.com/usn/USN-3087-2
    https://access.redhat.com/errata/RHSA-2018:2185
    https://access.redhat.com/errata/RHSA-2018:2186
    https://access.redhat.com/errata/RHSA-2018:2187
    https://bto.bluecoat.com/security-advisory/sa132
    https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
    https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=52e623c4cb06fffa9d5e75c60b34b4bc130b12e9
    https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
    https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
    https://kc.mcafee.com/corporate/index?page=content&id=SB10215
    https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
    https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
    https://security.gentoo.org/glsa/201612-16
    https://support.f5.com/csp/article/K90492697
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
    https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
    https://www.openssl.org/news/secadv/20160922.txt
    https://www.oracle.com/security-alerts/cpuapr2020.html
    https://www.oracle.com/security-alerts/cpujan2020.html
    https://www.oracle.com/security-alerts/cpujul2020.html
    https://www.oracle.com/security-alerts/cpuoct2020.html
    https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
    https://www.tenable.com/security/tns-2016-16
    https://www.tenable.com/security/tns-2016-20
    https://www.tenable.com/security/tns-2016-21
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
    http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
    http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
    http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
    http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html
    http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
    http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
    http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
    http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
    http://rhn.redhat.com/errata/RHSA-2016-1940.html
    http://seclists.org/fulldisclosure/2017/Jul/31
    http://www-01.ibm.com/support/docview.wss?uid=swg21995039
    http://www.debian.org/security/2016/dsa-3673
    http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
    http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
    http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
    http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
    http://www.securityfocus.com/bid/93153
    http://www.securitytracker.com/id/1036885
    http://www.ubuntu.com/usn/USN-3087-1
    http://www.ubuntu.com/usn/USN-3087-2
    https://access.redhat.com/errata/RHSA-2018:2185
    https://access.redhat.com/errata/RHSA-2018:2186
    https://access.redhat.com/errata/RHSA-2018:2187
    https://bto.bluecoat.com/security-advisory/sa132
    https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
    https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=52e623c4cb06fffa9d5e75c60b34b4bc130b12e9
    https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
    https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
    https://kc.mcafee.com/corporate/index?page=content&id=SB10215
    https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
    https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
    https://security.gentoo.org/glsa/201612-16
    https://support.f5.com/csp/article/K90492697
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
    https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
    https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
    https://www.openssl.org/news/secadv/20160922.txt
    https://www.oracle.com/security-alerts/cpuapr2020.html
    https://www.oracle.com/security-alerts/cpujan2020.html
    https://www.oracle.com/security-alerts/cpujul2020.html
    https://www.oracle.com/security-alerts/cpuoct2020.html
    https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
    https://www.tenable.com/security/tns-2016-16
    https://www.tenable.com/security/tns-2016-20
    https://www.tenable.com/security/tns-2016-21

    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