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CVE-2025-9308

20
FAUCET Score

CVE-2025-9308 describes a Regular Expression Denial of Service (ReDoS) vulnerability in yarnpkg Yarn versions up to 1.22.22, specifically within the setOptions function of src/util/request-manager.js. This flaw, requiring local access for exploitation, can lead to high availability impact due to inefficient regular expression complexity. Rated Medium with a CVSS score of 5.5, the vulnerability affects an unsupported product and currently has no known public exploits, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.22.22CPE matchmatch criteria
cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

4.8MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 50th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (20)

redhatvendor investigatingvia redhat_api
Product: Migration Toolkit for VirtualizationFixed in: migration-toolkit-virtualization/mtv-console-plugin-rhel9
redhatvendor investigatingvia redhat_api
Product: Migration Toolkit for VirtualizationFixed in: mtv-candidate/mtv-console-plugin-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/kiali-ossmc-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/kiali-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/kiali-operator-bundle
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/kiali-ossmc-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/kiali-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/kiali-rhel9-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: grafana
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/argocd-agent-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/argocd-extensions-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/argocd-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/argocd-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/argo-rollouts-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/console-plugin-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/dex-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/gitops-operator-bundle
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/gitops-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/gitops-rhel8-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/must-gather-rhel8

Vendor Advisories (1)

redhatCVE-2025-9308Low

yarn: yarnpkg regular expression denial of service

Aug 21, 2025

References

github.com / yarnpkg/yarn/pull/9203
ExploitIssue Tracking
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry