CVE-2022-32206

Publication date 27 June 2022

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
curl	22.10 kinetic	Fixed 7.84.0-1
	22.04 LTS jammy	Fixed 7.81.0-1ubuntu1.3
	21.10 impish	Fixed 7.74.0-1.3ubuntu2.3
	20.04 LTS focal	Fixed 7.68.0-1ubuntu2.12
	18.04 LTS bionic	Fixed 7.58.0-2ubuntu3.19
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

mdeslaur

introduced in 7.57.0

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-5495-1
curl vulnerabilities
27 June 2022