Summary
Libcap is a library for getting and setting POSIX.1e (formerly POSIX 6) draft 15 capabilities.
Security Fix(es):
* libcap: libcap: Privilege escalation via TOCTOU race condition in cap_set_file() (CVE-2026-4878)
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 2
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | libcap | 2.48-10.el9_7.1 |
| AlmaLinux · 9 | libcap-devel | 2.48-10.el9_7.1 |
Vulnerabilities 1
-
Medium 6.7
Libcap: libcap: privilege escalation via toctou race condition in cap_set_file()
A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to a…