USN-8543-1: Wget vulnerabilities

Publication date

14 July 2026

Overview

Several security issues were fixed in Wget.


Packages

  • wget - retrieves files from the web

Details

It was discovered that Wget mishandled semicolons in the userinfo
subcomponent of a URL. A remote attacker could possibly use this issue
to trick a user into connecting to a different host than intended. This
issue only affected Ubuntu 14.04 LTS. (CVE-2024-38428)

It was discovered that Wget incorrectly handled Metalink documents
containing a whitespace-only URL. A remote attacker could possibly use
this issue to cause a denial of service. This issue only affected Ubuntu
18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu
26.04 LTS. (CVE-2026-58469)

It was discovered that Wget incorrectly handled Content-Range header
values, leading to an integer overflow. A remote attacker could
possibly use this issue to cause download desynchronization.
(CVE-2026-58470)

It was discovered that...

It was discovered that Wget mishandled semicolons in the userinfo
subcomponent of a URL. A remote attacker could possibly use this issue
to trick a user into connecting to a different host than intended. This
issue only affected Ubuntu 14.04 LTS. (CVE-2024-38428)

It was discovered that Wget incorrectly handled Metalink documents
containing a whitespace-only URL. A remote attacker could possibly use
this issue to cause a denial of service. This issue only affected Ubuntu
18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu
26.04 LTS. (CVE-2026-58469)

It was discovered that Wget incorrectly handled Content-Range header
values, leading to an integer overflow. A remote attacker could
possibly use this issue to cause download desynchronization.
(CVE-2026-58470)

It was discovered that Wget incorrectly handled character set
conversion of server-supplied filenames. A remote attacker could possibly
use this issue to cause a denial of service or possibly execute arbitrary
code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,
Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-58471)

It was discovered that Wget incorrectly handled HTML attributes
requiring entity encoding. A remote attacker could possibly use this issue
to cause a denial of service or possibly execute arbitrary code.
(CVE-2026-58472)


Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute wget –  1.25.0-2ubuntu4.2
24.04 LTS noble wget –  1.21.4-1ubuntu4.3
22.04 LTS jammy wget –  1.21.2-2ubuntu1.3
20.04 LTS focal wget –  1.20.3-1ubuntu2.1+esm2  
18.04 LTS bionic wget –  1.19.4-1ubuntu2.2+esm3  
16.04 LTS xenial wget –  1.17.1-1ubuntu1.5+esm3  
14.04 LTS trusty wget –  1.15-1ubuntu1.14.04.5+esm2  

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