Bug 2458086

Summary: CVE-2026-6069 nasm: NASM: Arbitrary code execution via stack-based buffer overflow in `disasm()` [fedora-42]
Product: [Fedora] Fedora Reporter: Praise Ogwuche <pogwuche>
Component: nasmAssignee: Dominik 'Rathann' Mierzejewski <dominik>
Status: CLOSED UPSTREAM QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: 42CC: dominik, java-sig-commits, mizdebsk, mkoncek, nickc, pbonzini, suraj.ghimire7
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["56e0e49c-eeb7-42a0-a8f3-76869645688c"]}
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Clone Of: Environment:
Last Closed: 2026-04-15 19:46:07 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2457291    

Description Praise Ogwuche 2026-04-14 00:14:52 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 Dominik 'Rathann' Mierzejewski 2026-04-15 19:46:07 UTC
Not a security bug. See https://github.com/netwide-assembler/nasm/issues/217#issuecomment-4246347029 specifically.