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    CVE-2012-3571

    ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.

    Published:Jul 24, 2012
    Last Modified:Apr 11, 2025
    EPS:Jul 25, 2012
    EPSS Score:0.22137
    CVSS Score:6.1

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Isc
    Product
    Dhcp
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://www.exploit-db.com/exploits/37538

    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=JSA10761
    http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html
    http://rhn.redhat.com/errata/RHSA-2012-1140.html
    http://rhn.redhat.com/errata/RHSA-2012-1141.html
    http://security.gentoo.org/glsa/glsa-201301-06.xml
    http://www.debian.org/security/2012/dsa-2516
    http://www.debian.org/security/2012/dsa-2519
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:115
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:116
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/54665
    http://www.ubuntu.com/usn/USN-1519-1
    https://kb.isc.org/article/AA-00712
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
    http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html
    http://rhn.redhat.com/errata/RHSA-2012-1140.html
    http://rhn.redhat.com/errata/RHSA-2012-1141.html
    http://security.gentoo.org/glsa/glsa-201301-06.xml
    http://www.debian.org/security/2012/dsa-2516
    http://www.debian.org/security/2012/dsa-2519
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:115
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:116
    http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
    http://www.securityfocus.com/bid/54665
    http://www.ubuntu.com/usn/USN-1519-1
    https://kb.isc.org/article/AA-00712

    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