Bug 2479777

Summary: CVE-2026-8836 ocproxy: lwIP: Remote code execution via stack-based buffer overflow in SNMPv3 USM Handler [fedora-all]
Product: [Fedora] Fedora Reporter: Dhananjay Arunesh <darunesh>
Component: ocproxyAssignee: Raphael Groner <projects.rg>
Status: ASSIGNED --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: urgent Docs Contact:
Priority: urgent    
Version: rawhideCC: projects.rg
Target Milestone: ---Keywords: Patch, Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["82c62260-a724-4853-8731-07f51595b542"]}
Fixed In Version: Doc Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2479657    

Description Dhananjay Arunesh 2026-05-19 10:32:05 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Raphael Groner 2026-05-19 16:28:33 UTC
Upstream has fixed.

https://github.com/lwip-tcpip/lwip/commit/0c957ec03054eb6c8205e9c9d1d05d90ada3898c

Todo unbundle lwip into separate package with patches applied, there are also another security issues.