CVE-2026-12969 | Medium | 5.3 | 2026-06-23 | An out-of-bounds read vulnerability exists in dnsmasq's find_soa() function in src/rfc1035.c. When parsing NS section records, extract_name() is called with ex… |
CVE-2026-12725 | Medium | 5.9 | 2026-06-22 | A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and
query logging are both enabled, logging of DS or DNSKEY replies containing
unsupp… |
CVE-2023-49441 | High | 7.5 | 2024-06-06 | dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query. |
CVE-2023-50387 | High | 7.5 | 2024-02-14 | Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumpti… |
CVE-2023-28450 | High | 7.5 | 2023-03-15 | An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Flag Day 2020. |
CVE-2022-0934 | High | 7.5 | 2022-08-29 | A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, pote… |
CVE-2021-45957 | Critical | 9.8 | 2022-01-01 | Dnsmasq 2.86 has a heap-based buffer overflow in answer_request (called from FuzzAnswerTheRequest and fuzz_rfc1035.c). NOTE: the vendor's position is that CVE-… |
CVE-2021-45956 | Critical | 9.8 | 2022-01-01 | Dnsmasq 2.86 has a heap-based buffer overflow in print_mac (called from log_packet and dhcp_reply). NOTE: the vendor's position is that CVE-2021-45951 through… |
CVE-2021-45955 | Critical | 9.8 | 2022-01-01 | Dnsmasq 2.86 has a heap-based buffer overflow in resize_packet (called from FuzzResizePacket and fuzz_rfc1035.c) because of the lack of a proper bounds check u… |
CVE-2021-45954 | Critical | 9.8 | 2022-01-01 | Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from answer_auth and FuzzAuth). NOTE: the vendor's position is that CVE-2021-45951 throug… |
CVE-2021-45953 | Critical | 9.8 | 2022-01-01 | Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from hash_questions and fuzz_util.c). NOTE: the vendor's position is that CVE-2021-45951… |
CVE-2021-45952 | Critical | 9.8 | 2022-01-01 | Dnsmasq 2.86 has a heap-based buffer overflow in dhcp_reply (called from dhcp_packet and FuzzDhcp). NOTE: the vendor's position is that CVE-2021-45951 through… |
CVE-2021-45951 | Critical | 9.8 | 2022-01-01 | Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and FuzzCheckForBogusWildcard). NOTE: the vendor's pos… |
CVE-2021-3448 | Medium | 4.0 | 2021-04-08 | A flaw was found in dnsmasq in versions before 2.85. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while fo… |
CVE-2020-25687 | Medium | 5.9 | 2021-01-20 | A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in dnsmasq when DNSSEC is enabled and before it validates the rece… |
CVE-2020-25686 | Low | 3.7 | 2021-01-20 | A flaw was found in dnsmasq before version 2.83. When receiving a query, dnsmasq does not check for an existing pending request for the same name and forwards… |
CVE-2020-25682 | High | 8.1 | 2021-01-20 | A flaw was found in dnsmasq before 2.83. A buffer overflow vulnerability was discovered in the way dnsmasq extract names from DNS packets before validating the… |
CVE-2020-25681 | High | 8.1 | 2021-01-20 | A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with DNSSEC data. A… |
CVE-2020-25685 | Low | 3.7 | 2021-01-20 | A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in forward.c:reply_query(), which is the forwarded… |
CVE-2020-25684 | Low | 3.7 | 2021-01-20 | A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in the forward.c:reply_query() if the reply destin… |
CVE-2020-25683 | Medium | 5.9 | 2021-01-20 | A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in dnsmasq when DNSSEC is enabled and before it validates the rece… |
CVE-2019-14834 | Low | 3.7 | 2020-01-07 | A vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via v… |
CVE-2019-14513 | High | 7.5 | 2019-08-01 | Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the b… |
CVE-2017-15107 | High | 7.5 | 2018-01-23 | A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interprete… |
CVE-2017-14491 | Critical | 9.8 | 2017-10-04 | Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS resp… |
CVE-2017-14496 | High | 7.5 | 2017-10-03 | Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote… |
CVE-2017-14495 | High | 7.5 | 2017-10-03 | Memory leak in dnsmasq before 2.78, when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service… |
CVE-2017-14494 | Medium | 5.9 | 2017-10-03 | dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded… |
CVE-2017-14493 | Critical | 9.8 | 2017-10-03 | Stack-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DHCPv6… |
CVE-2017-14492 | Critical | 9.8 | 2017-10-03 | Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted IPv6 rou… |
CVE-2017-13704 | High | 7.5 | 2017-10-03 | In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigne… |
CVE-2015-8899 | High | 7.5 | 2016-06-30 | Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with an empty DNS address that has an (1) A or (2) AAAA record defin… |
CVE-2015-3294 | | | 2015-05-08 | The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read… |
CVE-2013-0198 | | | 2013-03-05 | Dnsmasq before 2.66test2, when used with certain libvirt configurations, replies to queries from prohibited interfaces, which allows remote attackers to cause… |
CVE-2012-3411 | | | 2013-03-05 | Dnsmasq before 2.63test1, when used with certain libvirt configurations, replies to requests from prohibited interfaces, which allows remote attackers to cause… |
CVE-2009-2958 | | | 2009-09-02 | The tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, allows remote attackers to cause a denial of service (NULL pointer dere… |
CVE-2009-2957 | | | 2009-09-02 | Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute a… |
CVE-2008-3214 | | | 2008-07-18 | dnsmasq 2.25 allows remote attackers to cause a denial of service (daemon crash) by (1) renewing a nonexistent lease or (2) sending a DHCPREQUEST for an IP add… |
CVE-2005-0877 | High | 7.5 | 2005-05-02 | Dnsmasq before 2.21 allows remote attackers to poison the DNS cache via answers to queries that were not made by Dnsmasq. |