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ALSA-2025:23664 — Important: opentelemetry-collector security update

Affected: AlmaLinux:10: opentelemetry-collector

Collector with the supported components for a AlmaLinux build of OpenTelemetry

Security Fix(es):

* github.com/expr-lang/expr: Expr: Denial of Service via uncontrolled recursion in expression evaluation (CVE-2025-68156)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2026-05696

certfr-2026-avi-0627 — De multiples vulnérabilités ont été découvertes dans les produits Splunk. Certaines d'entre elles permettent à un attaq…

certfr-2026-avi-0627

Withdrawn: CLEANSTART-2026-CF63541 — Security fixes in eks-distro-coredns-fips 1.35.7-r0

Withdrawn by the publisher.

Affected: CleanStart: eks-distro-coredns-fips

Package eks-distro-coredns-fips version 1.35.7-r0 fixes 6 vulnerabilities: ghsa-cfpf-hrx2-8rv6, ghsa-p77j-4mvh-x3m3, ghsa-9h8m-3fm2-qjrq, CVE-2025-68156, CVE-2026-24051...

EUVD-2026-263789

fkie_cve-2025-68156

Expr is an expression language and expression evaluation for Go. Prior to version 1.17.7, several builtin functions in Expr, including `flatten`, `min`, `max`, `mean`, and `median`, perform recursive traversal over user-provided data structures without enforcing a maximum recursion depth. If the evaluation environment contains deeply nested or cyclic data structures, these functions may recurse indefinitely until exceed the Go runtime stack limit. This results in a stack overflow panic, causing the host application to crash. While exploitability depends on whether an attacker can influence or inject cyclic or pathologically deep data into the evaluation environment, this behavior represents a denial-of-service (DoS) risk and affects overall library robustness. Instead of returning a recoverable evaluation error, the process may terminate unexpectedly. In affected versions, evaluation of expressions that invoke certain builtin functions on untrusted or insufficiently validated data structures can lead to a process-level crash due to stack exhaustion. This issue is most relevant in scenarios where Expr is used to evaluate expressions against externally supplied or dynamically constructed environments; cyclic references (directly or indirectly) can be introduced into arrays, maps, or structs; and there are no application-level safeguards preventing deeply nested input data. In typical use cases with controlled, acyclic data, the issue may not manifest. However, when present, th…

GHSA-cfpf-hrx2-8rv6 — Expr has Denial of Service via Unbounded Recursion in Builtin Functions

Affected: Go: github.com/expr-lang/expr

Several builtin functions in Expr, including `flatten`, `min`, `max`, `mean`, and `median`, perform recursive traversal over user-provided data structures without enforcing a maximum recursion depth.

If the evaluation environment contains **deeply nested** or **cyclic** data structures, these functions may recurse indefinitely until exceed the Go runtime stack limit. This results in a **stack overflow panic**, causing the host application to crash.

While exploitability depends on whether an attacker can influence or inject cyclic or pathologically deep data into the evaluation environment, this behavior represents a denial-of-service (DoS) risk and affects overall library robustness. Instead of returning a recoverable evaluation error, the process may terminate unexpectedly.

### Impact

In affected versions, evaluation of expressions that invoke certain builtin functions on untrusted or insufficiently validated data structures can lead to a **process-level crash** due to stack exhaustion.

This issue is most relevant in scenarios where:

* Expr is used to evaluate expressions against externally supplied or dynamically constructed environments. * Cyclic references (directly or indirectly) can be introduced into arrays, maps, or structs. * There are no application-level safeguards preventing deeply nested input data.

In typical use cases with controlled, acyclic data, the issue may not manifest. However, when present, the resulting panic can be used to reliably crash the a…

msrc_CVE-2025-68156 — Expr has Denial of Service via Unbounded Recursion in Builtin Functions

msrc_CVE-2025-68156

openSUSE-SU-2025:15825-1 — coredns-for-k8s1.33-1.12.0-2.1 on GA media

coredns-for-k8s1.33-1.12.0-2.1 on GA media

RHSA-2025:23664 — Red Hat Security Advisory: opentelemetry-collector security update

github.com/expr-lang/expr: Expr: Denial of Service via uncontrolled recursion in expression evaluation

SUSE-SU-2026:0628-1 — Security update 5.1.2 for Multi-Linux Manager Client Tools

Security update 5.1.2 for Multi-Linux Manager Client Tools

WID-SEC-W-2025-2886 — Red Hat Enterprise Linux (git-lfs, opentelemetry-collector): Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Dateien zu manipulieren und einen Denial-of-Service-Zustand zu verursachen.