SB2025052969 - Out-of-bounds read in GNU Coreutils

Description

This security bulletin contains information about 1 vulnerability.

1) Out-of-bounds read (CVE-ID: CVE-2025-5278)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows an attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the begfield() function when handling an overly large key value. A remote attacker can trick the victim into passing specially crafted input to the application, trigger an out-of-bounds read error and read contents of memory on the system.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://www.openwall.com/lists/oss-security/2025/05/27/2
• https://access.redhat.com/security/cve/CVE-2025-5278
• https://bugzilla.redhat.com/show_bug.cgi?id=2368764