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A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. The program may access memory outside the allocated buffer if a user runs a crafte…

Medium CVSS 4.4
CVECVE-2025-5278
First seen2026-07-15 16:15 UTC
Disclosed2025-05-27 21:15 UTC
Last updated2026-07-21 06:15 UTC
Channel statusauto

Summary

A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. The program may access memory outside the allocated buffer if a user runs a crafted command using the traditional key format. A malicious input could lead to a crash or leak sensitive data.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (4)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://cgit.git.savannah.gnu.org/cgit/coreutils.git/commit/?id=8c9602e3a145e9596dc1a63c6ed67865814b6633
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=78507
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://cgit.git.savannah.gnu.org/cgit/coreutils.git/commit/?id=8c9602e3a145e9596dc1a63c6ed67865814b6633
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://cgit.git.savannah.gnu.org/cgit/coreutils.git/tree/NEWS?id=8c9602e3a145e9596dc1a63c6ed67865814b6633#n14

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD