CVE-2026-43073 x86-64: rename misleadingly named '__copy_user_nocache()' function

In the Linux kernel, the following vulnerability has been resolved: x86-64: rename misleadingly named 'copyusernocache' function This function was a masterclass in bad naming, for various historical reasons. It claimed to be a non-cached user copy. It is literally neither of those things. It's a...

CLSA-2026-1777941808 libcap: Fix of CVE-2026-4878

CVE-2026-4878: fix TOCTOU race in capsetfile by performing xattr writes via an ONOFOLLOW file descriptor instead of the user-supplied path...

CLSA-2026-1777941636 Fix CVE(s): CVE-2026-4878

SECURITY UPDATE: TOCTOU race in capsetfile - debian/patches/CVE-2026-4878.patch: lock onto the target file via an OPATH descriptor and operate via /proc/self/fd/N in libcap/capfile.c so that file capability changes cannot be redirected to an attacker- controlled file by a local user with write...

PT-2026-37315

Name of the Vulnerable Software and Affected Versions ciguard versions 0.6.0 through 0.8.1 Description Both SCA HTTP clients in src/ciguard/analyzer/sca/osv.py and src/ciguard/analyzer/sca/endoflife.py call the function json.loads on response data without a maximum-bytes cap. A hostile or...

libcap security update

2.48-6.1 - Fix TOCTOU race condition in capsetfile CVE-2026-4878 Resolves: RHEL-169304...

JLSEC-2026-404

An allocation of resources without limits or throttling vulnerability exists in curl v7.88.0 based on the "chained" HTTP compression algorithms, meaning that a server response can be compressed multiple times and potentially with differentalgorithms. The number of acceptable "links" in this...

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,...

Important: Red Hat Security Advisory: libcap security update

An update for libcap is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Important: libcap security update

Libcap is a library for getting and setting POSIX.1e formerly POSIX 6 draft 15 capabilities. Security Fixes: libcap: libcap: Privilege escalation via TOCTOU race condition in capsetfile CVE-2026-4878 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

RLSA-2026:12423 Important: libcap security update

Libcap is a library for getting and setting POSIX.1e formerly POSIX 6 draft 15 capabilities. Security Fixes: libcap: libcap: Privilege escalation via TOCTOU race condition in capsetfile CVE-2026-4878 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

libcap security update

An update is available for libcap. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Libcap is a library for getting and setting POSIX.1e formerly POSIX 6 draft 1...

libcap security update

An update is available for libcap. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Libcap is a library for getting and setting POSIX.1e formerly POSIX 6 draft 15...

RockyLinux 10 : libcap (RLSA-2026:12423)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:12423 advisory. libcap: libcap: Privilege escalation via TOCTOU race condition in capsetfile CVE-2026-4878 Tenable has extracted the preceding description block directly from t...

AlmaLinux 10 : libcap (ALSA-2026:12423)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:12423 advisory. libcap: libcap: Privilege escalation via TOCTOU race condition in capsetfile CVE-2026-4878 Tenable has extracted the preceding description block directly from th...

CVE-2026-42402

Apache Neethi is vulnerable to a Denial of Service attack through algorithmic complexity in policy normalization. Specially crafted WS-Policy documents can trigger an exponential Cartesian cross-product expansion during the normalization process, causing unbounded memory allocation that exhausts...

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,...

RHEL 9 : libcap (RHSA-2026:12441)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:12441 advisory. Libcap is a library for getting and setting POSIX.1e formerly POSIX 6 draft 15 capabilities. Security Fixes: libcap: libcap: Privilege escalation vi...

libcap security update

2.69-7.1 - Fix TOCTOU race condition in capsetfile CVE-2026-4878 Resolves: RHEL-169301...

libcap security update

2.48-10.1 - Fix TOCTOU race condition in capsetfile CVE-2026-4878 Resolves: RHEL-169311...