CVE-2021-45951

Name
CVE-2021-45951
Description
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 position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.
NVD Severity
unknown
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-2021-924.yaml
MISC https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35868
Mailing List https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016164.html
Mailing List https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016162.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:thekelleys:dnsmasq:2.86:*:*:*:*:*:*:* dnsmasq == None == 2.86

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
dnsmasq edge-main 2.86-r1 Natanael Copa <ncopa@alpinelinux.org> fixed
dnsmasq 3.22-main 2.86-r1 None fixed
dnsmasq 3.21-main 2.86-r1 None fixed
dnsmasq 3.20-main 2.86-r1 None fixed
dnsmasq 3.19-main 2.86-r1 None fixed