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    CVE-2023-49441

    dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.

    Published:Jun 6, 2024
    Last Modified:Mar 14, 2025
    EPS:Jun 6, 2024
    EPSS Score:0.00009
    CVSS Score:7.5

    Affected Products

    Vendor
    Thekelleys
    Product
    Dnsmasq

    Exploits

    https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2023q4/017332.htmlhttps://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2023q4/017332.html

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    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…
    CVE-2021-45953 (CVSS 9.8) — Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from hash_questions and fuzz_util.c). NO…

    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