Source: lwip Version: 2.2.1+dfsg1-1 Severity: important Tags: security upstream Forwarded: https://savannah.nongnu.org/bugs/?68194 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for lwip. CVE-2026-8836[0]: | 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. Unfortunately the upstream issue [1] is yet private at time of this writing. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-8836 https://www.cve.org/CVERecord?id=CVE-2026-8836 [1] https://savannah.nongnu.org/bugs/?68194 [2] https://cgit.git.savannah.gnu.org/cgit/lwip.git/commit/?id=0c957ec03054eb6c8205e9c9d1d05d90ada3898c Please adjust the affected versions in the BTS as needed. Regards, Salvatore
