SUSE-SU-2026:5203-1: important: Security update for alloy

SLE-UPDATES null at suse.de
Wed Nov 11 21:38:00 UTC 2026 

# Security update for alloy

Announcement ID: SUSE-SU-2026:5203-1  
Release Date: 2026-11-11T12:52:33Z  
Rating: important  
References:

  * bsc#1271206
  * bsc#1279232
  * bsc#1279331
  * bsc#1279394
  * bsc#1281472
  * bsc#1281473
  * bsc#1283592
  * bsc#1285585

  
Cross-References:

  * CVE-2026-14362
  * CVE-2026-63209
  * CVE-2026-81871
  * CVE-2026-81872
  * CVE-2026-84303
  * CVE-2026-84304
  * CVE-2026-84445

  
CVSS scores:

  * CVE-2026-14362 ( SUSE ):  4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-14362 ( NVD ):  4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63209 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-63209 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63209 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-81871 ( SUSE ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2026-81871 ( NVD ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-81872 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-81872 ( NVD ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-84303 ( SUSE ):  9.1
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-84303 ( SUSE ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
  * CVE-2026-84303 ( NVD ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-84304 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-84304 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-84304 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-84445 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-84445 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-84445 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  
Affected Products:

  * Basesystem Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves seven vulnerabilities and has one security fix can now be
installed.

## Description:

This update for alloy fixes the following issues:

Security issues fixed:

  * CVE-2026-14362: HashiCorp memberlist before version 0.6.0 is vulnerable to a
    denial-of-service issue (bsc#1271206).
  * CVE-2026-63209: github.com/klauspost/compress: signed integer overflow in
    s2.NewDict() allows an attacker to bypass repeat index validation and cause
    a process crash (bsc#1283592).
  * CVE-2026-81871: go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc:
    OpenTelemetry-Go: TLS certificate bypass allows log telemetry interception
    and alteration (bsc#1281472).
  * CVE-2026-81872: go.opentelemetry.io/otel/sdk/log: OpenTelemetry-Go: Denial
    of Service via attacker-driven log emission (bsc#1281473).
  * CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation
    issue allows for bypass of authorization policies via mixed-case or
    canonical-case header matches (bsc#1279331).
  * CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2
    DATA frame fragmentation (bsc#1279232).
  * CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing
    `:authority` and `Host` headers in gRPC-Go xDS servers (bsc#1279394).

Non security issue fixed:

  * alloy 1.20.1: alloy.service references missing /usr/lib/alloy/alloy-wrapper
    (203/EXEC) (bsc#1285585).

Changes for alloy:

  * Increase required memory in constraints
  * Update to version 1.20.1:
  * Bug fixes:
    * loki: Add the timestamp to batch size calculation
    * loki: Include estimate for stream labels in batch size
    * loki: Make byte counters count uncompressed bytes
    * otelcol.connector.host_info: Fix potential over-count
    * otelcol.receiver.cloudflare: Default max_request_body_size to 20MiB
    * prometheus.remote_write: Tolerate unknown WAL record types
  * Update to version 1.20.0:
  * BREAKING CHANGE: discovery.hetzner: no longer exports the
    __meta_hetzner_datacenter label for targets with role = "hcloud"
  * BREAKING CHANGE: otelcol.receiver.filelog: top_n now distinguishes an
    explicit 0 from leaving it unset
  * Features:
    * loki.source.podlogs: Add use_apiserver_cache to reduce API server load
    * loki.write: Add max_streams to limit active streams
    * pyroscope.scrape: Support scraping custom pprof profiles
  * Enhancements:
    * discovery.kubernetes: Add support for EndpointSlice filtering by service
    * loki.process: stage.geoip now supports GeoLite2 City database
  * Bug Fixes:
    * discovery.file: Fix targets not updating on content change
    * prometheus.relabel: Fix metrics getting stuck in NaN state

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-5203

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * alloy-debuginfo-1.20.1-150700.15.34.1
    * alloy-1.20.1-150700.15.34.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-14362.html
  * https://www.suse.com/security/cve/CVE-2026-63209.html
  * https://www.suse.com/security/cve/CVE-2026-81871.html
  * https://www.suse.com/security/cve/CVE-2026-81872.html
  * https://www.suse.com/security/cve/CVE-2026-84303.html
  * https://www.suse.com/security/cve/CVE-2026-84304.html
  * https://www.suse.com/security/cve/CVE-2026-84445.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1271206
  * https://bugzilla.suse.com/show_bug.cgi?id=1279232
  * https://bugzilla.suse.com/show_bug.cgi?id=1279331
  * https://bugzilla.suse.com/show_bug.cgi?id=1279394
  * https://bugzilla.suse.com/show_bug.cgi?id=1281472
  * https://bugzilla.suse.com/show_bug.cgi?id=1281473
  * https://bugzilla.suse.com/show_bug.cgi?id=1283592
  * https://bugzilla.suse.com/show_bug.cgi?id=1285585

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