Curl 7.30.0 < 8.22.0 IMAP Command Injection

The version of curl installed on the remote host is 7.30.0 prior to 8.22.0. It is, therefore, affected by a command injection vulnerability: - Enabling CURLOPTCRLF causes curl to advertise the raw input byte count in the IMAP APPEND N literal while transmitting line-ending expanded data. The serv...

AZL-109926 CVE-2026-87864 affecting package cmake 3.30.3-15

Enabling CURLOPTCRLF 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...

AZL-110223 CVE-2026-87864 affecting package rust 1.96.1-2

Enabling CURLOPTCRLF 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...

DEBIAN-CVE-2026-87864

Enabling CURLOPTCRLF 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...

AZL-109980 CVE-2026-87864 affecting package curl 8.11.1-12

Enabling CURLOPTCRLF 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...

AZL-110313 CVE-2026-87864 affecting package tensorflow 2.16.1-11

Enabling CURLOPTCRLF 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...

AZL-110130 CVE-2026-87864 affecting package rust 1.75.0-31

Enabling CURLOPTCRLF 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...

CVE-2026-87864

Enabling CURLOPTCRLF 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...

CVE-2026-87864 IMAP APPEND plus CRLF conversion command injection

Enabling CURLOPTCRLF 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...

CVE-2026-87864

Enabling "CURLOPTCRLF" 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...

CVE-2026-87864 IMAP APPEND plus CRLF conversion command injection

Enabling CURLOPTCRLF 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...

CVE-2026-87864

The curl library is vulnerable to a command injection vulnerability when using the CURLOPT_CRLF option. The root cause is that curl advertises the raw input byte count in the IMAP APPEND {N} literal while transmitting line-ending expanded data. Because the server only reads $N$ bytes for the payl...

EUVD-2026-105310

Enabling CURLOPTCRLF 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...

CVE-2026-87864

Enabling CURLOPTCRLF 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...

CVE-2026-87864

Enabling CURLOPTCRLF 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...

Curl input validation vulnerability

The curl version 8.21.0 and earlier have a vulnerability related to input validation errors. This vulnerability arises when using CURLOPTCRLF; curl declares the number of original input bytes in the IMAP APPEND N literal, but transmits extended data at the end of each line. The server only reads ...

Red Hat: CVE-2026-87864: curl: IMAP APPEND plus CRLF conversion command injection

Enabling CURLOPTCRLF 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...

SUSE CVE-2026-87864

Enabling CURLOPTCRLF 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...

curl: libcurl RTSP `CURLOPT_CRLF` conversion allows a request body to become a second RTSP request

AI WAS USED IN THE PROCESS OF IDENTIFYING THIS VULNERABILITY. The vulnerability was tested manually and the report was carefully read. Suggested severity Low Affected version curl 8.23.0, tag curl-8230, commit 3163ec065643ba20709f190111f42c3e1fe95273. Affected interface The issue is reachable...

CURL-CVE-2026-87864 IMAP APPEND plus CRLF conversion command injection

Enabling CURLOPTCRLF 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...