CVE-2021-45956

Name
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.
NVD Severity
high
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://github.com/google/oss-fuzz-vulns/blob/main/vulns/dnsmasq/OSV-2021-933.yaml
MISC https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35887
MISC https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
MISC https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html

Match rules

CPE URI Source package Min version Max version
n/a == n/a == n/a

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
dnsmasq edge-main 2.86-r5 Natanael Copa <ncopa@alpinelinux.org> fixed
dnsmasq edge-main 2.86-r3 Natanael Copa <ncopa@alpinelinux.org> fixed
dnsmasq edge-main 2.86-r2 Natanael Copa <ncopa@alpinelinux.org> fixed