CVE-2026-90831: gnu binutils

Vulnerability summary

CVE-2026-90831 is a medium (CVSS 5.3) vulnerability in gnu binutils. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 14-09-2026
   PublishedVulnerability first disclosed.
2. 16-09-2026
   Last modifiedVulnerability information updated.

Description

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.

• 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.