CVE-2021-45955
Critical
Description
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 upon pseudo header re-insertion. 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." However, a contributor states that a security patch (mentioned in 016162.html) is needed
SeverityCritical
CVSS9.8
Exploit probability—
ProductThekelleys Dnsmasq
PublishedJan 1, 2022
First seenJan 1, 2022
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| thekelleys dnsmasq | 2.86 | — |
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