CVE-2026-58469
Publication date 7 July 2026
Last updated 16 July 2026
Ubuntu priority
Description
GNU Wget through 1.25.0, fixed in commit 37a40fc, contains a heap buffer underread vulnerability in the clean_metalink_string() function within src/metalink.c that allows a malicious server to trigger memory corruption by serving a Metalink document containing a whitespace-only URL. Attackers can cause the function to decrement a pointer past the start of the buffer when processing an all-whitespace Metalink URL, potentially leading to abnormal program behavior.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| wget | 26.04 LTS resolute |
Fixed 1.25.0-2ubuntu4.2
|
| 24.04 LTS noble |
Fixed 1.21.4-1ubuntu4.3
|
|
| 22.04 LTS jammy |
Fixed 1.21.2-2ubuntu1.3
|
|
| 20.04 LTS focal |
Fixed 1.20.3-1ubuntu2.1+esm2
|
|
| 18.04 LTS bionic |
Fixed 1.19.4-1ubuntu2.2+esm3
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Get expanded security coverage with Ubuntu Pro
Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.
Get Ubuntu Pro 30-day free trialSeverity score breakdown
CVSS version:
Base score
8.7 · High
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Base score
7.5 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Related Ubuntu Security Notices (USN)
- USN-8543-1
- Wget vulnerabilities
- 14 July 2026