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Red Hat Security Advisory

RHSA-2026:56853

OpenShift Container Platform 4.16.69 bug fix and security update

Released 2026-08-31 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 24 records

TI-2026-04772 CVE-2026-5450 · GHSA-v898-xg3c-w4rj

scanf %mc off-by-one heap buffer overflow

Priority HIGH 82

Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one by…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00502 Published 2026-04-20 Partial fix CWE-122
Priority MEDIUM 49

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.02073 Published 2026-04-30 Partial fix · 3.8.13, 3.8.10-4.el10_2 +45 CWE-191
TI-2026-03832 CVE-2026-4408 · GHSA-jg8v-92xc-cx65

Samba: remote code execution in samr

Priority MEDIUM 48

A flaw was found in Samba.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.02501 Published 2026-05-28 Partial fix · 4.23.5-109.el10_2, 4.21.3-114.el10_0.1 +19 CWE-78
TI-2025-09419 CVE-2025-10263 · GHSA-x9c8-763w-495x

Race condition in Arm C1-Ultra

Priority MEDIUM 48

Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00544 Published 2026-06-09 Partial fix CWE-362
Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, whose nla_len field is u16.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0038 Published 2026-07-27 Partial fix · 5.15.212, 6.1.178 +6 CWE-190
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: * ethernet mangl…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00178 Published 2026-05-08 Partial fix · 5.15.203, 6.1.168 +5 CWE-122
Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O,…

CVSS 3.1HIGH 7.9 Local Low privileges No interaction EPSS 0.0017 Published 2025-10-28 Partial fix · 5.4.301, 5.10.246 +7
Priority LOW 33

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes.

CVSS 3.1HIGH 7.1 Network Low privileges No interaction EPSS 0.00862 Published 2026-05-27 Partial fix · 4.23.5-109.el10_2, 4.21.3-114.el10_0.1 +18 CWE-284
Priority LOW 31

A flaw was found in Samba’s vfs_worm module.

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.00947 Published 2026-05-27 Partial fix · 4.23.5-109.el10_2, 4.21.3-114.el10_0.1 +22 CWE-280