CVE-2026-42154
7.5 ÉlevéeDescription
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 unauthenticated attacker can send a small payload that causes a huge heap allocation per request. Under concurrent load this can exhaust available memory and crash the Prometheus process. This issue has been patched in versions 3.5.3 and 3.11.3.
Produits concernés
- prometheus
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9.6 Extended Update Support
- Red Hat RHEM 1.0 for RHEL 9
- Red Hat RHEM 1.1 for RHEL 10
- Red Hat RHEM 1.1 for RHEL 9
- Red Hat Logging for Red Hat OpenShift 6
- Red Hat Logging 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
- Red Hat Multicluster Global Hub 1.4.5
- Red Hat Multicluster Global Hub 1.6.5
- Red Hat Multicluster Global Hub 1.7.0
- Red Hat OpenShift File Integrity Operator - FIO 1
- Red Hat Advanced Cluster Management for Kubernetes 2.13
- Red Hat Advanced Cluster Management for Kubernetes 2.17
- Red Hat Edge Manager 1.0
- Red Hat Edge Manager 1.1
- Red Hat Hardened Images
- Red Hat multicluster global hub 1.5.3
- Red Hat OpenShift Container Platform 4.12
- Red Hat OpenShift Container Platform 4.14
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.5 Élevée | security-advisories@github.com | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 7.5 Élevée | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Faiblesses (CWE)
Références
- https://github.com/prometheus/prometheus/pull/18584 Issue TrackingPatch
- https://github.com/prometheus/prometheus/pull/18585 Issue TrackingPatch
- https://github.com/prometheus/prometheus/releases/tag/v3.11.3 Release Notes
- https://github.com/prometheus/prometheus/releases/tag/v3.5.3 Release Notes
- https://github.com/prometheus/prometheus/security/advisories/GHSA-8rm2-7qqf-34qm Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:25039
- https://access.redhat.com/errata/RHSA-2026:25245
- https://access.redhat.com/errata/RHSA-2026:29770
- https://access.redhat.com/errata/RHSA-2026:30651
- https://access.redhat.com/errata/RHSA-2026:34357
- https://access.redhat.com/errata/RHSA-2026:34359
- https://access.redhat.com/errata/RHSA-2026:34364
- https://access.redhat.com/errata/RHSA-2026:34794
- https://access.redhat.com/errata/RHSA-2026:36651
- https://access.redhat.com/errata/RHSA-2026:36796
- https://access.redhat.com/errata/RHSA-2026:40118
- https://access.redhat.com/errata/RHSA-2026:40262
- https://access.redhat.com/errata/RHSA-2026:40792
- https://access.redhat.com/errata/RHSA-2026:40945
- https://access.redhat.com/errata/RHSA-2026:40970
- https://access.redhat.com/errata/RHSA-2026:40972
- https://access.redhat.com/errata/RHSA-2026:40974
- https://access.redhat.com/errata/RHSA-2026:41019
- https://access.redhat.com/errata/RHSA-2026:41030
- https://access.redhat.com/errata/RHSA-2026:41031
- https://access.redhat.com/errata/RHSA-2026:41066
- https://access.redhat.com/errata/RHSA-2026:42146
- https://access.redhat.com/errata/RHSA-2026:42796
- https://access.redhat.com/errata/RHSA-2026:42852
- https://access.redhat.com/errata/RHSA-2026:43052
- https://access.redhat.com/errata/RHSA-2026:44235
- https://access.redhat.com/errata/RHSA-2026:44263
- https://access.redhat.com/errata/RHSA-2026:44622
- https://access.redhat.com/errata/RHSA-2026:47149
- https://access.redhat.com/errata/RHSA-2026:47728
- https://access.redhat.com/errata/RHSA-2026:47952
- https://access.redhat.com/errata/RHSA-2026:48699
- https://access.redhat.com/errata/RHSA-2026:50758
- https://access.redhat.com/errata/RHSA-2026:50843
- https://access.redhat.com/errata/RHSA-2026:53412
- https://access.redhat.com/errata/RHSA-2026:53413
- https://access.redhat.com/errata/RHSA-2026:53415
- https://access.redhat.com/errata/RHSA-2026:53530
- https://access.redhat.com/errata/RHSA-2026:54288
- https://access.redhat.com/errata/RHSA-2026:56340
- https://access.redhat.com/errata/RHSA-2026:56789
- https://access.redhat.com/errata/RHSA-2026:56912
- https://access.redhat.com/errata/RHSA-2026:59833
- https://access.redhat.com/errata/RHSA-2026:60386
- https://access.redhat.com/security/cve/CVE-2026-42154
- https://bugzilla.redhat.com/show_bug.cgi?id=2466505
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42154.json