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Red Hat Security Advisory

RHSA-2026:0326

OpenShift Container Platform 4.16.55 bug fix and security update

Released 2026-01-15 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 7 records

TI-2025-27240 CVE-2025-40778 · GHSA-xmqp-6cj2-2hh3

Cache poisoning attacks with unsolicited RRs

Priority HIGH 76

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache.

CVSS 3.1HIGH 8.6 Network No auth No interaction EPSS 0.00667 Published 2025-10-22 Fixed CWE-349
TI-2025-07941 CVE-2025-8677 · GHSA-924g-f9mr-cm6x

Resource exhaustion via malformed DNSKEY handling

Priority MEDIUM 52

Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.10737 Published 2025-10-22 Fixed CWE-405
TI-2025-27242 CVE-2025-40780 · GHSA-j3w4-m6qj-vmm5

Cache poisoning due to weak PRNG

Priority MEDIUM 44

In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use.

CVSS 3.1HIGH 8.6 Network No auth No interaction EPSS 0.00466 Published 2025-10-22 Fixed CWE-341
TI-2025-04773 CVE-2025-5318 · GHSA-98qw-prqm-9f4p

Libssh: out-of-bounds read in sftp_handle()

Priority MEDIUM 41

A flaw was found in the libssh library in versions less than 0.11.2.

CVSS 3.1HIGH 8.1 Network Low privileges No interaction EPSS 0.01886 Published 2025-06-24 Fixed in 0.11.2, 0.11.1-4.el10_0 +31 CWE-125
TI-2025-36934 CVE-2025-59375 · GHSA-vjqp-pjp6-xcxx

Resource allocation without limits in libexpat

Priority LOW 36

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.0138 Published 2025-09-15 Partial fix · 2.7.2 CWE-770