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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-68142

19
FAUCET Score

CVE-2025-68142 describes a Regular Expression Denial of Service (ReDOS) vulnerability in PyMdown Extensions versions prior to 10.16.1, specifically within the figure caption extension (pymdownx.blocks.caption). This medium-severity vulnerability (CVSS 5.3) could allow an unauthenticated attacker to cause a denial of service by crafting malicious input, leading to long processing times on systems that process unchecked user content. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.16.1CPE matchmatch criteria
cpe:2.3:a:facelessuser:pymdown_extensions:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.7LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
UNREPORTED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 17th percentile among its peer group of 23,690 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (59)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: pymdown-extensionsFixed in: 10.16.1
redhatvendor investigatingvia redhat_api
Product: Assisted Installer for Red Hat OpenShift Container Platform 2Fixed in: rhai/assisted-installer-controller-rhel9
redhatvendor investigatingvia redhat_api
Product: Assisted Installer for Red Hat OpenShift Container Platform 2Fixed in: rhai/assisted-installer-rhel9
redhatvendor investigatingvia redhat_api
Product: External Secrets Operator for Red Hat OpenShiftFixed in: external-secrets-operator/bitwarden-sdk-server-rhel9
redhatvendor investigatingvia redhat_api
Product: External Secrets Operator for Red Hat OpenShiftFixed in: external-secrets-operator/external-secrets-operator-bundle
redhatvendor investigatingvia redhat_api
Product: External Secrets Operator for Red Hat OpenShiftFixed in: external-secrets-operator/external-secrets-operator-rhel9
redhatvendor investigatingvia redhat_api
Product: External Secrets Operator for Red Hat OpenShiftFixed in: external-secrets-operator/external-secrets-rhel9
redhatvendor investigatingvia redhat_api
Product: external secrets operator for Red Hat OpenShift - Tech PreviewFixed in: external-secrets-operator/bitwarden-sdk-server-rhel9
redhatvendor investigatingvia redhat_api
Product: external secrets operator for Red Hat OpenShift - Tech PreviewFixed in: external-secrets-operator/external-secrets-operator-bundle
redhatvendor investigatingvia redhat_api
Product: external secrets operator for Red Hat OpenShift - Tech PreviewFixed in: external-secrets-operator/external-secrets-operator-rhel9
redhatvendor investigatingvia redhat_api
Product: external secrets operator for Red Hat OpenShift - Tech PreviewFixed in: external-secrets-operator/external-secrets-rhel9
redhatvendor investigatingvia redhat_api
Product: Multicluster Engine for KubernetesFixed in: multicluster-engine/assisted-installer-agent-rhel9
redhatvendor investigatingvia redhat_api
Product: Multicluster Engine for KubernetesFixed in: multicluster-engine/assisted-installer-controller-rhel9
redhatvendor investigatingvia redhat_api
Product: Multicluster Engine for KubernetesFixed in: multicluster-engine/assisted-installer-rhel9
redhatvendor investigatingvia redhat_api
Product: Multicluster Engine for KubernetesFixed in: multicluster-engine/assisted-service-8-rhel8
redhatvendor investigatingvia redhat_api
Product: Multicluster Engine for KubernetesFixed in: multicluster-engine/assisted-service-9-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/grafana-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/istio-cni-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/istio-must-gather-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/istio-operator-bundle
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/istio-rhel8-operator
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/pilot-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/proxyv2-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/ratelimit-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/istio-cni-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/istio-must-gather-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/istio-pilot-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/istio-proxyv2-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/istio-rhel9-operator
redhatvendor investigatingvia redhat_api
Product: OpenShift Service Mesh 3Fixed in: openshift-service-mesh/istio-sail-operator-bundle
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Security 4Fixed in: advanced-cluster-security/rhacs-collector-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/must-gather-rhel8
redhatvendor investigatingvia redhat_api
Product: Assisted Installer for Red Hat OpenShift Container Platform 2Fixed in: rhai/assisted-installer-agent-rhel9
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 Developer HubFixed in: rhdh/rhdh-hub-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-agent-installer-api-server-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-agent-installer-csr-approver-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-agent-installer-node-agent-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-agent-installer-orchestrator-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-olm-catalogd-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-olm-catalogd-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-olm-operator-controller-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-olm-operator-controller-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Dev SpacesFixed in: devspaces/traefik-rhel9
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
redhatno patchvia redhat_api
Product: Red Hat Ceph Storage 7Fixed in: pymdown
redhatno patchvia redhat_api
Product: Red Hat Ceph Storage 8Fixed in: rhceph/grafana-rhel9
redhatno patchvia redhat_api
Product: Red Hat Ceph Storage 9Fixed in: pymdown
redhatno patchvia redhat_api
Product: Red Hat Ceph Storage 6Fixed in: pymdown

Vendor Advisories (2)

pipGHSA-r6h4-mm7h-8pmqlow

PyMdown Extensions has a ReDOS bug in its Figure Capture extension

Dec 16, 2025
redhatCVE-2025-68142Low

PyMdown: pymdown-extensions: PyMdown Extensions: Regular Expression Denial of Service in figure caption extension

Dec 16, 2025

References

github.com / facelessuser/pymdown-extensions/commit/b50d15a56850ed1408a284bba81cc019c6bd72e8
Patch
github.com / facelessuser/pymdown-extensions/security/advisories/GHSA-r6h4-mm7h-8pmq
ExploitPatchVendor Advisory
pypi.org / project/pymdown-extensions/10.16.1
ProductRelease Notes