CVE-2025-5278
Publication date 27 May 2025
Last updated 31 August 2026
Ubuntu priority
Description
A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. The program may access memory outside the allocated buffer if a user runs a crafted command using the traditional key format. A malicious input could lead to a crash or leak sensitive data.
Read the notes from the security team
Why is this CVE low priority?
Only results in a crash in a command-line tool
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| coreutils | 26.04 LTS resolute |
Fixed 9.7-3ubuntu2.1
|
| 25.10 questing | Ignored end of life, was needs-triage | |
| 25.04 plucky | Ignored end of life, was needs-triage | |
| 24.10 oracular | Ignored end of life, was needs-triage | |
| 24.04 LTS noble |
Fixed 9.4-3ubuntu6.3
|
|
| 22.04 LTS jammy |
Fixed 8.32-4.1ubuntu1.4
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
Notes
mdeslaur
This issue is a 1-byte out of bounds read in a command line tool only, resulting in a denial of service
Patch details
For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?
| Package | Patch details |
|---|---|
| coreutils |
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score 4.4 · Medium
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
References
Related Ubuntu Security Notices (USN)
- USN-8697-1
- GNU Core Utilities vulnerabilities
- 31 August 2026