🛡️ OESA-2026-2480 — lwip

🔴 CVSS 9.5 — Critical ✅ No Known Exploit OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

lwip security update

lwip is a small independent implementation of the TCP/IP protocol suite.

Security Fix(es):

A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmp_parse_inbound_frame of the file src/apps/snmp/snmp_msg.c of the component snmpv3 USM Handler. Performing a manipulation of the argument msgAuthenticationParameters results in stack-based buffer overflow. The attack may be initiated remotely. The patch is named 0c957ec03054eb6c8205e9c9d1d05d90ada3898c. It is suggested to install a patch to address this issue.(CVE-2026-8836)

Affected software

OESA-2026-2480 is recorded against 1 package.

  • lwip (fixed in 2.2.0-76.oe2203sp4)

Timeline and source

Published on 29 May 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.openeuler.org (Advisory)
nvd.nist.gov (Advisory)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-05-29
Updated 2026-08-12
Modified 2026-05-29
Fix URL N/A

Affected Packages

Software From version Fixed in
lwip — 2.2.0-76.oe2203sp4

Similar Threats

Exploit Protection

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