CLSA-2026-1778599539 Fix CVE(s): CVE-2026-4878

SECURITY UPDATE: TOCTOU race condition in capsetfile - debian/patches/CVE-2026-4878.patch: open the target file and operate on /proc/self/fd/N so the inode is locked between the regular-file check and the xattr update - CVE-2026-4878...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libcap (UTSA-2026-016785)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016785 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 function. This allows an...

CVE-2026-41484

OpenTelemetry.Exporter.OneCollector is a .NET exporter that sends telemetry to a OneCollector back-end over HTTP. In versions 1.15.0 and earlier, when a request to the configured back-end or collector results in an unsuccessful HTTP 4xx or 5xx response, the HttpJsonPostTransport class reads the...

CVE-2026-41484

OpenTelemetry.Exporter.OneCollector is a .NET exporter that sends telemetry to a OneCollector back-end over HTTP. In versions 1.15.0 and earlier, when a request to the configured back-end or collector results in an unsuccessful HTTP 4xx or 5xx response, the HttpJsonPostTransport class reads the...

CLSA-2026-1778081089 libcap: Fix of CVE-2026-4878

CVE-2026-4878: capsetfile TOCTOU race via path-based xattr operations...

Oracle Linux 8 : libcap (ELSA-2026-13285)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-13285 advisory. 2.48-6.1 - Fix TOCTOU race condition in capsetfile CVE-2026-4878 Resolves: RHEL-169304 Tenable has extracted the preceding description block directly from the...

GHSA-XW8C-RRVX-F7XQ ciguard: SCA HTTP client reads response body without size cap

Summary Both SCA HTTP clients src/ciguard/analyzer/sca/osv.py and src/ciguard/analyzer/sca/endoflife.py call payload = json.loadsresp.read.decode'utf-8' without a maximum-bytes cap. A hostile or compromised endoflife.date / OSV.dev or a successful TLS MITM could return a multi-GB response,...

ciguard: SCA HTTP client reads response body without size cap

Summary Both SCA HTTP clients src/ciguard/analyzer/sca/osv.py and src/ciguard/analyzer/sca/endoflife.py call payload = json.loadsresp.read.decode'utf-8' without a maximum-bytes cap. A hostile or compromised endoflife.date / OSV.dev or a successful TLS MITM could return a multi-GB response,...

OpAMP client reads unbounded HTTP response bodies

Summary When receiving responses from the OpAMP server over HTTP, the OpAMP client allocates an unbounded buffer to read all bytes from the server, with no upper-bound on the number of bytes consumed. This could cause memory exhaustion in the consuming application if the configured OpAMP server i...

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...

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...

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: 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...