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    CVE-2002-1221

    BIND 8.x through 8.3.3 allows remote attackers to cause a denial of service (crash) via SIG RR elements with invalid expiry times, which are removed from the internal BIND database and later cause a null dereference.

    Published:Nov 29, 2002
    Last Modified:Apr 16, 2026
    EPS:Sep 1, 2004
    EPSS Score:0.04297
    CVSS Score:5

    Affected Products

    Vendor
    Freebsd
    Product
    Freebsd
    Vendor
    Isc
    Product
    Bind
    Vendor
    Openbsd
    Product
    Openbsd

    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-2026-58094 (CVSS 7.8) — The FIOSSHMLPGCNF ioctl(2) operation configures the page size for a largepage shared memory object. This is i…
    CVE-2026-58093 (CVSS 7) — The TIOCSCTTY ioctl handler drops the tty lock in order to acquire the process tree lock. After reacquiring t…
    CVE-2026-58097 (CVSS 7.8) — mp_SetEnddisc() copied a user-supplied PSN endpoint value without length validation, allowing a buffer overflo…
    CVE-2026-58096 (CVSS 8.8) — LcpDecodeConfig() did not validate the length of received endpoint discriminator options against the minimum r…
    CVE-2026-58095 (CVSS 8.8) — mp_Enddisc() used incorrect length calculations when formatting endpoint discriminator addresses for display, …
    CVE-2026-58092 (CVSS 8.1) — In FreeBSD 15.0, the kernel structure used to represent user credentials changed: previously the primary group…
    CVE-2026-58091 (CVSS 7.8) — The implementation of this ioctl attempts to acquire locks on all channels in a sync group. If locking a chan…
    CVE-2026-58090 (CVSS 7.8) — The SOCK_STREAM receive path in the unix socket implementation failed to fully detach control messages from th…
    CVE-2026-58089 (CVSS 7.8) — When a process calls execve(2) to execute a setuid or setgid image, hwpmc(4) is supposed to detach PMCs owned …
    CVE-2026-58088 (CVSS 7.4) — The ELF core dump code counted the number of dumpable VM map entries, allocated a buffer for the corresponding…

    References

    http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21469
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000546
    http://lists.apple.com/archives/Security-announce/2002/Nov/msg00000.html
    http://marc.info/?l=bugtraq&m=103713117612842&w=2
    http://marc.info/?l=bugtraq&m=103763574715133&w=2
    http://online.securityfocus.com/advisories/4999
    http://online.securityfocus.com/archive/1/300019
    http://www.cert.org/advisories/CA-2002-31.html
    http://www.ciac.org/ciac/bulletins/n-013.shtml
    http://www.debian.org/security/2002/dsa-196
    http://www.isc.org/products/BIND/bind-security.html
    http://www.kb.cert.org/vuls/id/581682
    http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-077.php
    http://www.securityfocus.com/bid/6159
    https://exchange.xforce.ibmcloud.com/vulnerabilities/10333
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2094
    http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21469
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000546
    http://lists.apple.com/archives/Security-announce/2002/Nov/msg00000.html
    http://marc.info/?l=bugtraq&m=103713117612842&w=2
    http://marc.info/?l=bugtraq&m=103763574715133&w=2
    http://online.securityfocus.com/advisories/4999
    http://online.securityfocus.com/archive/1/300019
    http://www.cert.org/advisories/CA-2002-31.html
    http://www.ciac.org/ciac/bulletins/n-013.shtml
    http://www.debian.org/security/2002/dsa-196
    http://www.isc.org/products/BIND/bind-security.html
    http://www.kb.cert.org/vuls/id/581682
    http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-077.php
    http://www.securityfocus.com/bid/6159
    https://exchange.xforce.ibmcloud.com/vulnerabilities/10333
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2094

    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