CVE-2022-27775

Publication date 27 April 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
curl	22.04 LTS jammy	Fixed 7.81.0-1ubuntu1.1
	21.10 impish	Fixed 7.74.0-1.3ubuntu2.1
	20.04 LTS focal	Fixed 7.68.0-1ubuntu2.10
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

mdeslaur

per upstream, curl 7.65.0 to and including 7.82.0

leosilva

bionic is 7.58.0 and xenial 7.47.0, so not affected. trusty/esm is 7.35.0, so not affected.

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N