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    CVE-2005-0877

    Dnsmasq before 2.21 allows remote attackers to poison the DNS cache via answers to queries that were not made by Dnsmasq.

    Published:Mar 26, 2005
    Last Modified:Apr 16, 2026
    EPS:Mar 26, 2005
    EPSS Score:0.00053
    CVSS Score:7.5

    Affected Products

    Vendor
    Thekelleys
    Product
    Dnsmasq

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-346 Origin Validation Error

    Related CVEs

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    CVE-2023-50387 (CVSS 7.5) — Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote atta…
    CVE-2023-28450 (CVSS 7.5) — An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but…
    CVE-2022-0934 (CVSS 7.5) — A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who …
    CVE-2021-45951 (CVSS 9.8) — Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and F…
    CVE-2021-45952 (CVSS 9.8) — Dnsmasq 2.86 has a heap-based buffer overflow in dhcp_reply (called from dhcp_packet and FuzzDhcp). NOTE: the …
    CVE-2021-45954 (CVSS 9.8) — Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from answer_auth and FuzzAuth). NOTE: th…
    CVE-2021-45955 (CVSS 9.8) — Dnsmasq 2.86 has a heap-based buffer overflow in resize_packet (called from FuzzResizePacket and fuzz_rfc1035.…
    CVE-2021-45956 (CVSS 9.8) — Dnsmasq 2.86 has a heap-based buffer overflow in print_mac (called from log_packet and dhcp_reply). NOTE: the …
    CVE-2021-45957 (CVSS 9.8) — Dnsmasq 2.86 has a heap-based buffer overflow in answer_request (called from FuzzAnswerTheRequest and fuzz_rfc…

    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