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Security Advisory

USN-6429-2: curl vulnerability




Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 16.04
  • Canonical Ubuntu 18.04
  • Canonical Ubuntu 22.04


USN-6429-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that curl incorrectly handled cookies when an application duplicated certain handles. A local attacker could possibly create a cookie file and inject arbitrary cookies into subsequent connections. (CVE-2023-38546) Update Instructions: Run `sudo pro fix USN-6429-2` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libcurl4-gnutls-dev – 7.47.0-1ubuntu2.19+esm10 libcurl4-openssl-dev – 7.47.0-1ubuntu2.19+esm10 libcurl3-gnutls – 7.47.0-1ubuntu2.19+esm10 libcurl4-doc – 7.47.0-1ubuntu2.19+esm10 libcurl3-nss – 7.47.0-1ubuntu2.19+esm10 libcurl4-nss-dev – 7.47.0-1ubuntu2.19+esm10 libcurl3 – 7.47.0-1ubuntu2.19+esm10 curl – 7.47.0-1ubuntu2.19+esm10 Available with Ubuntu Pro (Infra-only):

CVEs contained in this USN include: CVE-2023-38546.

Affected Cloud Foundry Products and Versions

Severity is low unless otherwise noted.

  • CF Deployment
    • All versions prior to 30.0.0


Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

  • CF Deployment
    • Upgrade all versions to 30.0.0 or greater


2023-12-04: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR