Ubuntu Security Notice USN-5397-1
April 28, 2022

curl vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS


Several security issues were fixed in curl.

Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries


Patrick Monnerat discovered that curl incorrectly handled certain OAUTH2.
An attacker could possibly use this issue to access sensitive information.

Harry Sintonen discovered that curl incorrectly handled certain requests.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2022-27774, CVE-2022-27775, CVE-2022-27776)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
  curl                            7.81.0-1ubuntu1.1
  libcurl3-gnutls                 7.81.0-1ubuntu1.1
  libcurl3-nss                    7.81.0-1ubuntu1.1
  libcurl4                        7.81.0-1ubuntu1.1

Ubuntu 21.10:
  curl                            7.74.0-1.3ubuntu2.1
  libcurl3-gnutls                 7.74.0-1.3ubuntu2.1
  libcurl3-nss                    7.74.0-1.3ubuntu2.1
  libcurl4                        7.74.0-1.3ubuntu2.1

Ubuntu 20.04 LTS:
  curl                            7.68.0-1ubuntu2.10
  libcurl3-gnutls                 7.68.0-1ubuntu2.10
  libcurl3-nss                    7.68.0-1ubuntu2.10
  libcurl4                        7.68.0-1ubuntu2.10

Ubuntu 18.04 LTS:
  curl                            7.58.0-2ubuntu3.17
  libcurl3-gnutls                 7.58.0-2ubuntu3.17
  libcurl3-nss                    7.58.0-2ubuntu3.17
  libcurl4                        7.58.0-2ubuntu3.17

In general, a standard system update will make all the necessary changes.

  CVE-2022-22576, CVE-2022-27774, CVE-2022-27775, CVE-2022-27776

Package Information: