JLSEC-2026-1334

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...

Ubuntu 16.04 ESM : curl vulnerabilities (USN-5894-1)

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5894-1 advisory. Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled TELNET connections when the -t option was used on the command line. Uninitialized...

Juniper Junos OS Multiple Vulnerabilities (JSA11289)

The version of Junos OS installed on the remote host is affected by multiple vulnerabilities as referenced in the JSA11289 advisory. - curl 7.1.1 to and including 7.75.0 is vulnerable to an Exposure of Private Personal Information to an Unauthorized Actor by leaking credentials in the HTTP Refere...

EulerOS Virtualization 2.9.0 : curl (EulerOS-SA-2021-2769)

According to the versions of the curl packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - When curl is instructed to download content using the metalink feature, thecontents is verified against a hash provided in the...

EulerOS 2.0 SP5 : curl (EulerOS-SA-2021-2656)

According to the versions of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs...

CVE-2021-22925: Exposure of Sensitive Information to an Unauthorized Actor

curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending NEWENV variables, libcurlcould be made to pass on uninitialized data from a stack based...

Stack overflow

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...

CVE-2021-22898: Exposure of Sensitive Information to an Unauthorized Actor

curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEWENV variables, libcurl could be made to pass on...