CVE-2025-34468

A flaw was found in libcoap. A remote attacker can exploit a stack-based buffer overflow vulnerability in the address resolution function. This occurs when attacker-controlled hostname data is copied into a fixed-size buffer without proper validation. This can lead to a crash, resulting in a Deni...

EUVD-2025-206064

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

Stack-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Stack-based Buffer Overflow during address resolution, when attacker-controlled hostname data is copied into a fixed-size stack buffer without proper bounds checking. An attacker can cause a crash if proxy logic is enabled in the...

CVE-2025-34468

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

CVE-2025-34468

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

UBUNTU-CVE-2025-34468

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

CVE-2025-34468 libcoap Stack-Based Buffer Overflow in Address Resolution DoS or Potential RCE

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

CVE-2025-34468 libcoap Stack-Based Buffer Overflow in Address Resolution DoS or Potential RCE

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

CVE-2025-34468

CVE-2025-34468 affects libcoap versions up to 4.3.5, prior to commit 30db3ea. A stack-based buffer overflow occurs in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer, due to insufficient bounds checking. A remote crash and potential remote co...

CVE-2025-34468

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

CVE-2025-34468 libcoap Stack-Based Buffer Overflow in Address Resolution DoS or Potential RCE

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

CVE-2025-34468

libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostname data is copied into a fixed 256-byte stack buffer without proper bounds checking. A remote attacker can trigger a crash and potentiall...

libcoap 安全漏洞

libcoap is a C implementation of a lightweight application protocol open-sourced by obgm. A security vulnerability exists in libcoap version 4.3.5 and earlier, which stems from a stack buffer overflow during address parsing and could lead to a crash or remote code execution...

Linux Distros Unpatched Vulnerability : CVE-2025-34468

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libcoap versions up to and including 4.3.5, prior to commit 30db3ea, contain a stack-based buffer overflow in address resolution when attacker-controlled hostna...

CVE-2025-59391

A flaw was found in libcoap. This vulnerability allows information disclosure or denial of service via an out-of-bounds read when parsing certain OSCORE Object Security for Constrained RESTful Environments configuration values...

EUVD-2025-201786

A memory disclosure vulnerability exists in libcoap's OSCORE configuration parser in libcoap before release-4.3.5-patches. An out-of-bounds read may occur when parsing certain configuration values, allowing an attacker to infer or read memory beyond string boundaries in the .rodata section. This...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read in the OSCORE configuration parser. An attacker can access sensitive memory contents or cause a crash by supplying specially crafted configuration values. Remediation Upgrade libcoap to version cci.20200424 or higher...

CVE-2025-59391

A memory disclosure vulnerability exists in libcoap's OSCORE configuration parser in libcoap before release-4.3.5-patches. An out-of-bounds read may occur when parsing certain configuration values, allowing an attacker to infer or read memory beyond string boundaries in the .rodata section. This...

UBUNTU-CVE-2025-59391

A memory disclosure vulnerability exists in libcoap's OSCORE configuration parser in libcoap before release-4.3.5-patches. An out-of-bounds read may occur when parsing certain configuration values, allowing an attacker to infer or read memory beyond string boundaries in the .rodata section. This...

CVE-2025-59391

A memory disclosure vulnerability exists in libcoap's OSCORE configuration parser in libcoap before release-4.3.5-patches. An out-of-bounds read may occur when parsing certain configuration values, allowing an attacker to infer or read memory beyond string boundaries in the .rodata section. This...