USN-5021-2

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Source
https://ubuntu.com/security/notices/USN-5021-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5021-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5021-2
Upstream
Related
Published
2022-01-20T11:40:36.138928Z
Modified
2025-07-16T08:33:26.849549Z
Summary
curl vulnerability
Details

USN-5021-1 fixed vulnerabilities in curl. This update provides the corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled TELNET connections when the -t option was used on the command line. Uninitialized data possibly containing sensitive information could be sent to the remote server, contrary to expectations. (CVE-2021-22898, CVE-2021-22925)

References

Affected packages

Ubuntu:Pro:16.04:LTS / curl

Package

Name
curl
Purl
pkg:deb/ubuntu/curl@7.47.0-1ubuntu2.19+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.47.0-1ubuntu2.19+esm3

Affected versions

7.*

7.43.0-1ubuntu2
7.45.0-1ubuntu1
7.46.0-1ubuntu1
7.47.0-1ubuntu1
7.47.0-1ubuntu2
7.47.0-1ubuntu2.1
7.47.0-1ubuntu2.2
7.47.0-1ubuntu2.3
7.47.0-1ubuntu2.4
7.47.0-1ubuntu2.5
7.47.0-1ubuntu2.6
7.47.0-1ubuntu2.7
7.47.0-1ubuntu2.8
7.47.0-1ubuntu2.9
7.47.0-1ubuntu2.11
7.47.0-1ubuntu2.12
7.47.0-1ubuntu2.13
7.47.0-1ubuntu2.14
7.47.0-1ubuntu2.15
7.47.0-1ubuntu2.16
7.47.0-1ubuntu2.18
7.47.0-1ubuntu2.19
7.47.0-1ubuntu2.19+esm1
7.47.0-1ubuntu2.19+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "curl",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "curl-dbgsym",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl3",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl3-dbg",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl3-dbgsym",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl3-gnutls",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl3-gnutls-dbgsym",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl3-nss",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl3-nss-dbgsym",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl4-doc",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl4-gnutls-dev",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl4-gnutls-dev-dbgsym",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl4-nss-dev",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl4-nss-dev-dbgsym",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl4-openssl-dev",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        },
        {
            "binary_name": "libcurl4-openssl-dev-dbgsym",
            "binary_version": "7.47.0-1ubuntu2.19+esm3"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}