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EEF-CVE-2026-8466 CVE-2026-8466

Unbounded buffer accumulation in multipart header parsing causes denial of service in cowboy

May 13, 2026
CVSS
?
8.2 / 10.0 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected Versions

>= 2.0.0 and < 2.15.0

Checksum

Dependency Config

mix.exs

rebar.config

Gleam

erlang.mk

Package Details

Downloads Last 30 days, all versions
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this version

5 183

yesterday

50 868

last 7 days

270 250

all time

143 415 985

Last Updated

May 12, 2026

License

ISC

Build Tools

make rebar3

Publisher

essen essen