PT-2026-56239 · Gnuwget · Wget

Tristan Madani · Published 2026-07-07 · Updated 2026-07-07 · CVE-2026-58470

NVD

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2026-58470

Affected Products

Wget

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-58470 · Security Note
• https://gitlab.com/gnuwget/wget/-/commit/43d3ba9336bc94937e6fae2365c6ffd30c34ffcf · Patch
• https://vulncheck.com/advisories/gnu-wget-integer-overflow-via-content-range-header-parsing · Note