Summary
The coreutils packages contain the GNU Core Utilities and represent a combination of the previously used GNU fileutils, sh-utils, and textutils packages.
Security Fix(es):
* coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values (CVE-2026-56392)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | coreutils | 8.32-41.el9_8.1 |
| AlmaLinux · 9 | coreutils-common | 8.32-41.el9_8.1 |
| AlmaLinux · 9 | coreutils-single | 8.32-41.el9_8.1 |
Vulnerabilities 1
-
Low 1.8
Heap-based Buffer Overflow in GNU coreutils
GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop (-t) values. The multiplication used to calculate the allocation size can wrap around, resulting in an unde…