Bug 2533541 (CVE-2026-90831)

Summary: CVE-2026-90831 binutils: GNU Binutils: Memory corruption via local manipulation of ELF String Table
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: akhatavk, aos-team-art-private, asdas, crizzo, dpaolell, gtanzill, jbuscemi, jdelft, jupierce, lgarciaa, mbiarnes, ppalepu, ppostler, prdhamdh, rhel-process-autobot, sghai, sidsharm, suppawar, vlaad, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in GNU Binutils. This vulnerability allows a local attacker to cause memory corruption by manipulating the ELF String Table component, specifically through the `_bfd_elf_strtab_delref` function. This could lead to unexpected behavior or system instability.
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Description OSIDB Bzimport 2026-09-14 23:01:54 UTC
A vulnerability was detected in GNU Binutils 2.47. The affected element is the function _bfd_elf_strtab_delref of the file bfd/elf-strtab.c of the component ELF String Table. The manipulation results in memory corruption. The attack requires a local approach. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.