CVE-2026-58470

Summary

GNU Wget through 1.25.0, fixed in commit 43d3ba9, contains an integer overflow vulnerability in the parse_content_range() function within src/http.c that allows server-controlled values to cause signed integer arithmetic to overflow. Attackers can supply malicious Content-Range header values to trigger undefined behavior and download desynchronization in the affected client.

Affected Software

VendorProductVersion RangeStatus
gnuwgetwget0 <= 1.25.0affected
gnuwgetwget43d3ba9336bc94937e6fae2365c6ffd30c34ffcfunaffected

Weaknesses

  • CWE-190: Integer Overflow or Wraparound

References