DEBIAN-CVE-2021-22898

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Source
https://security-tracker.debian.org/tracker/CVE-2021-22898
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-22898.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-22898
Upstream
Published
2021-06-11T16:15:11Z
Modified
2025-09-30T05:14:46.870268Z
Severity
  • 3.1 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPT_TELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEW_ENV variables, libcurl could be made to pass on uninitialized data from a stack based buffer to the server, resulting in potentially revealing sensitive internal information to the server using a clear-text network protocol.

References

Affected packages

Debian:11 / curl

Package

Name
curl
Purl
pkg:deb/debian/curl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.74.0-1.3+deb11u2

Affected versions

7.*

7.74.0-1.3
7.74.0-1.3+deb11u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / curl

Package

Name
curl
Purl
pkg:deb/debian/curl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.79.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / curl

Package

Name
curl
Purl
pkg:deb/debian/curl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.79.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / curl

Package

Name
curl
Purl
pkg:deb/debian/curl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.79.1-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}