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Security Advisory

USN-5397-1: curl vulnerabilities

USN-5397-1: curl vulnerabilities




Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04


Patrick Monnerat discovered that curl incorrectly handled certain OAUTH2. An attacker could possibly use this issue to access sensitive information. (CVE-2022-22576) 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: Run `sudo ua fix USN-5397-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libcurl4-gnutls-dev – 7.68.0-1ubuntu2.10 libcurl4-openssl-dev – 7.68.0-1ubuntu2.10 libcurl3-gnutls – 7.68.0-1ubuntu2.10 libcurl4-doc – 7.68.0-1ubuntu2.10 libcurl3-nss – 7.68.0-1ubuntu2.10 libcurl4-nss-dev – 7.68.0-1ubuntu2.10 libcurl4 – 7.68.0-1ubuntu2.10 curl – 7.68.0-1ubuntu2.10 No subscription required

CVEs contained in this USN include: CVE-2022-22576, CVE-2022-27774, CVE-2022-27775, CVE-2022-27776.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • Bionic Stemcells
    • 1.x versions prior to 1.84
    • All other stemcells not listed.
  • cflinuxfs3
    • All versions prior to 0.291.0
  • CF Deployment
    • All versions


Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

  • Bionic Stemcells
    • Upgrade 1.x versions to 1.84 or greater
    • All other stemcells should be upgraded to the latest version available on
  • cflinuxfs3
    • Upgrade all versions to 0.291.0 or greater
  • CF Deployment
    • There are no fixed versions of this product


2022-05-23: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR