CVE-2026-56740

A flaw was found in the JLine3 Telnet server remote-telnet module. An unauthenticated remote attacker can exploit this vulnerability by injecting an excessive number of environment variables through the Telnet NEW-ENVIRON option. This action causes the server to store numerous variable pairs,...

CVE-2026-56741

A flaw was found in the JLine3 Telnet server's remote-telnet module. An unauthenticated remote attacker can exploit this vulnerability by repeatedly sending large terminal dimension values through the Telnet Negotiate About Window Size NAWS option. This action triggers continuous,...

Linux Distros Unpatched Vulnerability : CVE-2026-57166

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet...

Linux Distros Unpatched Vulnerability : CVE-2026-57165

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet...

CVE-2026-57166

A flaw was found in PJSIP. A stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. A remote attacker, with access to the unauthenticated telnet CLI, can send an overly long command line to trigger this issue. This can cause an...

CVE-2026-57165

A flaw was found in PJSIP. A stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall. A remote attacker, with access to the unauthenticated telnet CLI, can trigger this issue because the line-redraw sequence can accumulate more dat...

DEBIAN-CVE-2026-57166

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

CVE-2026-57166

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

DEBIAN-CVE-2026-57165

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

CVE-2026-57165

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

CVE-2026-57166

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

CVE-2026-57166 PJSIP: Pre-authentication overflow in the telnet CLI error

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

CVE-2026-57166

CVE-2026-57166 is a pre-authentication stack buffer overflow in the PJLIB-UTIL telnet CLI front-end of PJSIP , an open-source multimedia communication library written in C. When rendering feedback for a command line, several handling paths write an attacker-influenced amount of data into fixed-si...

CVE-2026-57166 PJSIP: Pre-authentication overflow in the telnet CLI error

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

CVE-2026-57165 PJSIP: Pre-authentication overflow in the telnet CLI history

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

CVE-2026-57165

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

CVE-2026-57165

PJSIP (PJLIB-UTIL) contains a stack buffer overflow in the telnet CLI front-end (handle_up_down() in cli_telnet.c), triggered when redrawing the command line during history recall. The accumulated line-redraw data can exceed a fixed-size stack buffer, potentially causing application termination ....

CVE-2026-57165 PJSIP: Pre-authentication overflow in the telnet CLI history

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

PT-2026-86172

Name of the Vulnerable Software and Affected Versions PJSIP versions prior to commit 4472a31 Description A stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. This occurs because several command-line handling paths write an...

CVE-2026-38577-by-deepak-Anmol

CVE-2026-38577 — Tenda HG21 Hardcoded Root Credentials Summary Field| Value ---|--- CVE ID| CVE-2026-38577 Vendor| Tenda Product| Tenda HG21 XPON Fiber Modem Affected Version| V4.0.0-260302 Product Key| HG21-V1.0-TDE01 Hardware Version| V1.0 Firmware Build Date| 2026-03-02 Firmware File|...