Enabling CURLOPT_CRLF causes curl to advertise the raw input byte count in
the IMAP APPEND {N} literal while transmitting line-ending expanded data.
The server reads only $N$ bytes for the payload, causing the remaining
overflow bytes to be interpreted and executed as pipelined IMAP commands
within the authenticated session.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Red Hat Hardened Images | RedHat | curl-main-8.23.0-0.1.hum1 | * |
| Curl | Ubuntu | devel | * |
| Curl | Ubuntu | esm-infra-legacy/trusty | * |
| Curl | Ubuntu | esm-infra-legacy/xenial | * |
| Curl | Ubuntu | esm-infra/bionic | * |
| Curl | Ubuntu | esm-infra/focal | * |
| Curl | Ubuntu | jammy | * |
| Curl | Ubuntu | noble | * |
| Curl | Ubuntu | resolute | * |
| Curl | Ubuntu | stonking | * |
| Curl | Ubuntu | upstream | * |