CVE-2025-11494: gnu binutils Out-of-bounds Read

Vulnerability summary

CVE-2025-11494 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in gnu binutils. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.8% of scored vulnerabilities. 3 public exploits are recorded.

Timeline

1. 08-10-2025
   PublishedVulnerability first disclosed.
2. 15-10-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was found in GNU Binutils 2.45. Impacted is the function _bfd_x86_elf_late_size_sections of the file bfd/elfxx-x86.c of the component Linker. The manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploit has been made public and could be used. The patch is identified as b6ac5a8a5b82f0ae6a4642c8d7149b325f4cc60a. A patch should be applied to remediate this issue.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.