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Red Hat Security Advisory

RHSA-2026:59831

OpenShift Container Platform 4.12.97 bug fix and security update

Released 2026-09-03 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 28 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
Priority MEDIUM 47

Issue summary: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free during PKCS#7 signature verification.

CVSS 3.1HIGH 8.8 Network Low privileges No interaction EPSS 0.04002 Published 2026-06-09 Partial fix · 4.0.1, 3.6.3 +5 CWE-416
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only del…

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.00352 Published 2026-05-06 Partial fix · 5.15.209, 6.1.175 +5 CWE-125
Priority LOW 34

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege es…

CVSS 4.0HIGH 7.3 Local Low privileges No interaction EPSS 0.00287 Published 2026-05-15 Fixed in os kernel, RenoirPI-FP6_1.0.0.Ed +9 CWE-1189
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
Priority LOW 24

systemd, a system and service manager, (as PID 1) hits an assert and freezes execution when an unprivileged IPC API call is made with spurious data.

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00126 Published 2026-03-23 Partial fix · 257.11, 258.5 +1 CWE-269