An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in the connection pool but with a different zone id it could reuse a connection instead.

🗓️ 14 Jun 2022 07:00:00Reported by MicrosoftType

mscve

mscve🔗 msrc.microsoft.com👁 7 Views

Curl vulnerability 7.65.0–7.82.0 allows Internet Protocol six with a zone id to reuse connection.

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Vulners

Node

microsoft cm1_curl_7.76.0-9Range<7.76.0-9

21 Feb 2026 10:18Current

6.8Medium risk

Vulners AI Score6.8

CVSS 25

CVSS 3.17.5

EPSS0.02981

SSVC

curl information disclosure Internet Protocol six connection reuse zone id