CVE-2026-119053

A flaw was found in lwIP. The Simple Network Management Protocol SNMP agent contains an out-of-bounds read vulnerability in the snmppbufstreamwriteto function due to improper buffer bounds calculation during copy operations. A remote unauthenticated attacker with knowledge of the read community...

CVE-2026-113783

ESP-IDF is the Espressif Internet of Things IOT Development Framework. From 5.2.3 until 5.3.7, 5.4.5, 5.5.6, and 6.0.3, the lwIP DNS resolver's cached-lookup path in dnslookup in dns.c copies every cached address into a caller-provided single ipaddrt output buffer without a length parameter or...

CVE-2026-113783 ESP-IDF: Stack-based memory corruption in lwIP DNS/SNTP handling for multi-IP DNS responses

ESP-IDF is the Espressif Internet of Things IOT Development Framework. From 5.2.3 until 5.3.7, 5.4.5, 5.5.6, and 6.0.3, the lwIP DNS resolver's cached-lookup path in dnslookup in dns.c copies every cached address into a caller-provided single ipaddrt output buffer without a length parameter or...

CVE-2026-113783

The ESP-IDF (Espressif Internet of Things Development Framework) contains a stack-based buffer overflow in the lwIP DNS resolver 's cached-lookup path within dns_lookup() in dns.c. When CONFIG_LWIP_DNS_MAX_HOST_IP is greater than 1 and a cached hostname contains multiple A or AAAA records, the sy...

CVE-2026-113783 ESP-IDF: Stack-based memory corruption in lwIP DNS/SNTP handling for multi-IP DNS responses

ESP-IDF is the Espressif Internet of Things IOT Development Framework. From 5.2.3 until 5.3.7, 5.4.5, 5.5.6, and 6.0.3, the lwIP DNS resolver's cached-lookup path in dnslookup in dns.c copies every cached address into a caller-provided single ipaddrt output buffer without a length parameter or...

PT-2026-137101

ESP-IDF is the Espressif Internet of Things IOT Development Framework. From 5.2.3 until 5.3.7, 5.4.5, 5.5.6, and 6.0.3, the lwIP DNS resolver's cached-lookup path in dns lookup in dns.c copies every cached address into a caller-provided single ip addr t output buffer without a length parameter or...

lwip-snmpv3-stack-overflow-cve-2026-8836-critical-embedded-rce

CVE-2026-8836 — lwIP SNMPv3 Stack Overflow PoC Proof of concept exploit for CVE-2026-8836, a critical stack-based buffer overflow in lwIP's SNMPv3 USM handler. Vulnerability CVE : CVE-2026-8836 CVSS : 9.8 Critical Component : snmpparseinboundframe in src/apps/snmp/snmpmsg.c Root Cause :...

CVE-2026-119053

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

Linux Distros Unpatched Vulnerability : CVE-2026-119053

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead ...

CVE-2026-119053

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

DEBIAN-CVE-2026-119053

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

CVE-2026-119053

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

UBUNTU-CVE-2026-119053

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

CVE-2026-119053 lwIP 2.0.0 through 2.2.1 SNMP Agent Out-of-Bounds Read via snmp_pbuf_stream_writeto()

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

CVE-2026-119053

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

CVE-2026-119053 lwIP 2.0.0 through 2.2.1 SNMP Agent Out-of-Bounds Read via snmp_pbuf_stream_writeto()

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

CVE-2026-119053 lwIP 2.0.0 through 2.2.1 SNMP Agent Out-of-Bounds Read via snmp_pbuf_stream_writeto()

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

CVE-2026-119053

The lwIP stack, versions 2.0.0 through 2.2.1 built with the SNMP agent , contains an out-of-bounds read vulnerability in the snmp_pbuf_stream_writeto() function. The root cause is that the function performs bounds copies using pbuf->len instead of the actual remaining bytes. Remote unauthentic...

EUVD-2026-112819

lwIP 2.0.0 through 2.2.1 built with the SNMP agent contains an out-of-bounds read vulnerability in snmppbufstreamwriteto that bounds copies by pbuf-len instead of remaining bytes. Remote unauthenticated attackers knowing the read community can send fragmented SNMP requests to receive adjacent...

lwIP Developers lwip buffer error vulnerability

In lwIP Developers, versions 2.0.0 through 2.2.1 contain a buffer error vulnerability. This vulnerability arises because, when using an SNMP agent, the snmppbufstreamwriteto function copies data based on pbuf-len rather than the remaining bytes, leading to an out-of-bounds read. Unauthenticated...