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Heap-based Buffer Overflow

CVE-2025-11495

Severity Medium
Score 4.8/10

Summary

A vulnerability was determined in GNU Binutils versions through 2.45. The affected element is the function "elf_x86_64_relocate_section()" of the file "elf64-x86-64.c" of the component Linker. This manipulation causes Heap-based Buffer Overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • NONE
  • LOW
  • NONE
  • HIGH

CWE-122 - Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Advisory Timeline

  • Published