CVE-2026-58470

Medium

Description

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductGnu Wget
PublishedJul 7, 2026
First seenJul 7, 2026

How to fix

Affected products

ProductAffected versionsFixed in
gnu wgetv ≤ 1.25.0—

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