AlmaLinux 9.2 [TuxCare] Security Update: libcap / libcap-devel / libcap-static (ALMALINUX9.2:CLSA-2026:1778662651)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778662651 advisory. - 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 capsetfile...

Rocky Linux 9 [CIQ] Security Update: libcap / libcap-debuginfo / libcap-debugsource / libcap-devel (crlsa-2026_12441)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202612441 advisory. libcap: libcap: Privilege escalation via TOCTOU race condition in capsetfile CVE-2026-4878 Tenable has extracted the preceding description block directly from the...

CentOS Linux 7 [TuxCare] Security Update: libcap / libcap-devel (CENTOS7:CLSA-2026:1777944214)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1777944214 advisory. - 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 capsetfile...

EulerOS Virtualization 2.11.1 : libcap (EulerOS-SA-2026-3427)

According to the versions of the libcap package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : The PAM module pamcap.so of libcap configuration supports group names starting with @, during actual parsing, configurations not...

EulerOS Virtualization 2.11.0 : libcap (EulerOS-SA-2026-3514)

According to the versions of the libcap packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : The PAM module pamcap.so of libcap configuration supports group names starting with @, during actual parsing, configurations not...

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A proof of concept exploit for a time-of-check to time-of-use local privilege escalation vulnerability in libcap version 2.77. The vulnerability exists in capsetfile, which checks a supplied pathname with lstat before independently resolving the same pathname when calling setxattr. Because setxat...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2734)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : 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 capsetfile...

EulerOS 2.0 SP12 : libcap (EulerOS-SA-2026-2599)

According to the versions of the libcap packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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 capsetfile function...

EulerOS 2.0 SP12 : libcap (EulerOS-SA-2026-2539)

According to the versions of the libcap packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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 capsetfile function...

MiracleLinux 9 : libcap-2.48-10.el9_8.1 (AXSA:2026-1202:04)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1202:04 advisory. libcap: libcap: Privilege escalation via TOCTOU race condition in capsetfile CVE-2026-4878 Tenable has extracted the preceding description block directly fro...

EulerOS 2.0 SP15 : libcap (EulerOS-SA-2026-2446)

According to the versions of the libcap packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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 capsetfile function...

Oracle Linux 9 : libcap (ELSA-2026-19346)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-19346 advisory. 2.48-10.1 - Fix TOCTOU race condition in capsetfile CVE-2026-4878 Resolves: RHEL-169312 Tenable has extracted the preceding description block directly from the...

The vulnerability of the cap_set_file() function in the libcap library, which allows a hacker to increase their privileges

The vulnerability of the capsetfile function in the libcap library is related to synchronization errors when using a common resource “Race Condition”. Exploiting this vulnerability can allow an attacker to gain increased privileges...

libcap security update

2.48-10.1 - Fix TOCTOU race condition in capsetfile CVE-2026-4878 Resolves: RHEL-169312...

MGASA-2026-0221 Updated libcap packages fix security vulnerabilities

CVE-2026-4878. 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 capsetfile function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By...

Updated libcap packages fix security vulnerabilities

CVE-2026-4878. 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 capsetfile function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By...

EulerOS Virtualization 2.13.1 : libcap (EulerOS-SA-2026-2373)

According to the versions of the libcap packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS Virtualization 2.13.0 : libcap (EulerOS-SA-2026-2402)

According to the versions of the libcap packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : 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...

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 capsetfile function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so,...

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 capsetfile function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so,...