CVE-2026-58470: GNU Wget

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

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 products

• GNU Wget: up to and including 1.25.0

Published 2026-07-07. Last modified 2026-07-09.