CVE-2022-27776

Publication date 27 April 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HTTP redirects to the same host but another port number.

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	Fixed 7.58.0-2ubuntu3.17
	16.04 LTS xenial	Ignored end of ESM support, was ignored [regressions possible]
	14.04 LTS trusty	Ignored end of ESM support, was ignored [regressions possible]

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	High
Integrity impact	None
Availability impact	None

Scores

Parameter	Value
Base score	6.5 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-5397-1
curl vulnerabilities
28 April 2022

Other references

https://www.cve.org/CVERecord?id=CVE-2022-27776