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CVE-2026-4647

Binutils: out-of-bounds read in xcoff relocation processing in gnu binutils bfd library

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

A flaw was found in the GNU Binutils BFD library, a widely used component for handling binary files such as object files and executables. The issue occurs when processing specially crafted XCOFF object files, where a relocation type value is not properly validated before being used. This can cause the program to read memory outside of intended bounds. As a result, affected tools may crash or expose unintended memory contents, leading to denial-of-service or limited information disclosure risks.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • binutils-main

    Version range not reported

  • binutils-main

    Version range not reported

  • binutils

    Version range not reported

  • gcc-toolset-15-binutils

    Version range not reported

  • gdb

    Version range not reported

  • mingw-binutils

    Version range not reported

  • binutils

    Version range not reported

  • binutils

    Version range not reported

  • gdb

    Version range not reported

  • binutils

    Version range not reported

  • gcc-toolset-14-binutils

    Version range not reported

  • gcc-toolset-14-gdb

    Version range not reported

  • gcc-toolset-15-binutils

    Version range not reported

  • gcc-toolset-15-gdb

    Version range not reported

  • gdb

    Version range not reported

  • mingw-binutils

    Version range not reported

  • binutils

    Version range not reported

  • gcc-toolset-14-binutils

    Version range not reported

  • gcc-toolset-15-binutils

    Version range not reported

  • gdb

    Version range not reported

  • mingw-binutils

    Version range not reported

  • openshift/ose-rhel-coreos-8

    Version range not reported

  • openshift/ose-rhel-coreos-9

    Version range not reported

References 5

access.redhat.com

bugzilla.redhat.com

sourceware.org