CVE-2026-49421: Improper Check for Dropped Privileges

The kernel function that implements unlinkat2 and funlinkat2 validated the ATRESOLVEBENEATH flag but failed to pass it through to the underlying path lookup. The flag was silently dropped, so path resolution was not actually restricted. A process that uses ATRESOLVEBENEATH with unlinkat2 or...

CVE-2026-58086: Improper Check for Dropped Privileges

As an inadvertent side effect of an unrelated code change, PRIVKTRACE was always denied to a jailed root user. Tracing configured by a jailed root user was therefore not flagged as privileged. An unprivileged user in a jail that has permission to debug the target process can modify the jailed roo...

RHEL 9 : kernel (RHSA-2026:56573)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:56573 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: atm: fix crash due to...

CVE-2026-49415: Time-of-check Time-of-use (TOCTOU) Race Condition

During execve2 of a SUID binary, the new virtual address space is installed before the process credentials are updated. During this window, a process running as the same user can access the target process's memory via procfs or linprocfs, because the kernel's debugging permission check still saw...

PT-2026-80780

Name of the Vulnerable Software and Affected Versions hpack versions prior to 4.2.0 Description Unbounded variable integer decoding can cause run-away computation when processing malformed input, resulting in On^2 runtime. This can effectively block further processing if the unsanitized input is...

PT-2026-84378

Name of the Vulnerable Software and Affected Versions gRPC-Go versions prior to 1.83.1 Description An unauthenticated remote attacker can cause a remote Denial of Service DoS by initiating a gRPC stream and fragmenting the payload into millions of small HTTP/2 DATA frames. In the...

Security Advisory 0146

Security Advisory 0146 PDF Date: August 19, 2026 Revision | Date | Changes ---|---|--- 1.0 | August 19, 2026 | Initial release Description Arista Networks is providing this security update in response to the following list of gRPC-go security vulnerabilities posted by Google at...

PT-2026-78527

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to commit 1cdeb3c Description A heap buffer overflow exists in the VC-2/Dirac RTP packetizer within the libavformat/rtpenc vc2hq.c file. The issue occurs because the packetizer copies an input-derived data unit or fragmen...

MiracleLinux 9 : nginx:1.26 (AXSA:2026-1551:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1551:01 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Tenable has extracted t...

RHEL 9 : osbuild-composer (RHSA-2026:56959)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:56959 advisory. A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for...

SUSE SLED15 / SLES15 Security Update : go1.25 (SUSE-SU-2026:3640-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3640-1 advisory. Security issues fixed: - CVE-2026-33818: encoding/asn1: enforce maximum recursion depth bsc1275034. -...

CVE-2026-73934

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. Supported versions that are affected are 3.0.0-3.2.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of th...

CVE-2026-73935

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. Supported versions that are affected are 4.0.0-4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of thi...

CVE-2026-73937

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of thi...

CVE-2026-73896

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of thi...

CVE-2026-73887

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of thi...

CVE-2026-73890

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of thi...

CVE-2026-73937

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of thi...

EUVD-2026-62180

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this...

EUVD-2026-62177

Vulnerability in the Helidon product of Oracle Fusion Middleware component: Imperative Web Server. The supported version that is affected is 3.2.19. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this...