CVE-2021-45956

Description

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-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.

References

https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html

https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-933.yaml

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35887

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3