Packages
- wget - retrieves files from the web
Details
USN-8543-1 fixed vulnerabilities in Wget. The update for CVE-2026-58472
was incomplete and could introduce a regression. This update fixes the
problem.
We apologize for the inconvenience.
Original advisory 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...
USN-8543-1 fixed vulnerabilities in Wget. The update for CVE-2026-58472
was incomplete and could introduce a regression. This update fixes the
problem.
We apologize for the inconvenience.
Original advisory 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 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 – 1.25.0-2ubuntu4.4 | ||
| 24.04 LTS noble | wget – 1.21.4-1ubuntu4.5 | ||
| 22.04 LTS jammy | wget – 1.21.2-2ubuntu1.5 | ||
| 20.04 LTS focal | wget – 1.20.3-1ubuntu2.1+esm4 | ||
| 18.04 LTS bionic | wget – 1.19.4-1ubuntu2.2+esm5 | ||
| 16.04 LTS xenial | wget – 1.17.1-1ubuntu1.5+esm5 | ||
| 14.04 LTS trusty | wget – 1.15-1ubuntu1.14.04.5+esm4 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.