logging 6.5 vulnerabilities (CVE)

CVE records published for logging 6.5, newest first. Follow to get an email when a new one appears.

8 results
6.8Medium
CVE-2026-10609

Openshift/cluster-logging-operator: cluster logging operator creates and forwards serviceaccount tokens without verifying clf creator authorization

Red Hat Logging Subsystem for Red Hat OpenShift 6.5

A missing authorization flaw was found in the OpenShift Cluster Logging Operator. The operator creates and forwards ServiceAccount tokens to output destinations without verifying that the ClusterLogForwarder creator has permission to use those credentials, al…

9.6Critical
CVE-2026-39821

Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna

Go standard library net/http; Go standard library net/http/internal/http2; golang.org/x/net golang.org/x/net/idna; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode("xn--example-.com") incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege …

1.8%EPSS
7.5High
CVE-2026-39820

Quadratic string concatentation in consumeComment in net/mail

Go standard library net/mail; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Red Hat Ansible Automation Platform 2.6 for RHEL 9

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.

7.5High
CVE-2026-33811

Crash when handling long CNAME response in net

Go standard library net; Red Hat Cryostat 4 on RHEL 9; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 9

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.

7.5High
CVE-2026-42499

Quadratic string concatenation in consumePhrase in net/mail

Go standard library net/mail; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Red Hat Ansible Automation Platform 2.6 for RHEL 9

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.

7.5High
CVE-2026-42154

Prometheus: remote read endpoint allows denial of service via crafted snappy payload

prometheus prometheus; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 9

Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the remote read endpoint (/api/v1/read) does not validate the declared decoded length in a snappy-compressed request body before allocating memory. An…

7.5High
CVE-2026-42151

Prometheus Azure AD remote write OAuth client secret exposed via config API

prometheus prometheus; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 9

Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the client_secret field in the Azure AD remote write OAuth configuration (storage/remote/azuread) was typed as string instead of Secret. Prometheus re…

8.2High
CVE-2026-32829

lz4_flex: Decompression can leak information from uninitialized memory or reused output buffer

PSeitz lz4_flex; Red Hat Logging Subsystem for Red Hat OpenShift 6.2; Red Hat Logging Subsystem for Red Hat OpenShift 6.4; Red Hat Logging Subsystem for Red Hat OpenShift 6.5

lz4_flex is a pure Rust implementation of LZ4 compression/decompression. In versions 0.11.5 and below, and 0.12.0, decompressing invalid LZ4 data can leak sensitive information from uninitialized memory or from previous decompression operations. The library …