CVE-2026-15340

lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow...

CVE-2026-15340 Savannah lwIP SMTP client Classic Buffer Overflow

lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow...

EUVD-2026-95820

lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow...

CVE-2026-15340

The Savannah lwIP SMTP client (specifically version v2.2.1 ) is vulnerable to a classic buffer overflow because it fails to perform adequate size checks on inputs. This vulnerability could allow an attacker to crash the affected device or achieve remote code execution . Impacted systems are often...

CVE-2026-15340 Savannah lwIP SMTP client Classic Buffer Overflow

lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow...

CVE-2026-87121

A flaw was found in lwIP’s MQTT client. When parsing malformed MQTT fixed headers, the client can write beyond its receive buffer. A remote peer supplying crafted MQTT traffic could cause a client crash or potentially execute arbitrary code on the device. The reported affected versions are 2.0.1...

CVE-2026-15340: Buffer Copy without Checking Size of Input

lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow...

PT-2026-107421

Name of the Vulnerable Software and Affected Versions Savannah lwIP SMTP client version 2.2.1 Description A buffer overflow exists in the SMTP client, which can be exploited to achieve remote code execution on industrial control systems. This issue allows attackers to perform lateral movement...

Savannah lwIP SMTP client

ADVISORY SUMMARY Successful exploitation of this vulnerability could crash the device being accessed; a buffer overflow condition may allow remote code execution. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability...

Linux Distros Unpatched Vulnerability : CVE-2026-74222

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails,...

SUSE CVE-2026-74222

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...

EUVD-2026-89435

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...

CVE-2026-74222

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...

UBUNTU-CVE-2026-74222

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...

CVE-2026-74222

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...

CVE-2026-74222 U-Boot before 2026.10-rc5 Use-After-Free in lwIP wget Receive Callback

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...

CVE-2026-74222

U-Boot versions before 2026.10-rc5 are vulnerable to a use-after-free flaw in the httpc_recv_cb() function of the lwIP wget implementation. The vulnerability occurs when HTTP data storage fails: the callback frees the connection PCB but incorrectly returns ERR_BUF instead of ERR_ABRT. This error ...

CVE-2026-74222 U-Boot before 2026.10-rc5 Use-After-Free in lwIP wget Receive Callback

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...

CVE-2026-74222 U-Boot before 2026.10-rc5 Use-After-Free in lwIP wget Receive Callback

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...

CVE-2026-74222

U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpcrecvcb function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERRBUF instead of ERRABRT, causing the TCP input path to access released memory and...