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CVE-2023-48631

22
FAUCET Score

CVE-2023-48631 is an Improper Input Validation vulnerability affecting Adobe CSS Tools versions 4.3.1 and earlier, which could lead to a denial of service when parsing specially crafted CSS. It carries a CVSS score of 7.5 (High), indicating it can be exploited remotely without user interaction and result in high availability impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.3.2CPE matchmatch criteria
cpe:2.3:a:adobe:css-tools:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.12%
Probability of exploitation in next 30 days
EPSS Percentile
62.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0112 is in the 41st percentile among its peer group of 51,485 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (21)

npmpatch availablevia ghsa
Product: @adobe/css-toolsFixed in: 4.3.2
redhatpatch availablevia redhat_api
Product: Migration Toolkit for Runtimes 1 on RHEL 8Fixed in: mtr/mtr-operator-bundle:1.2-23
View patch
redhatpatch availablevia redhat_api
Product: Migration Toolkit for Runtimes 1 on RHEL 8Fixed in: mtr/mtr-rhel8-operator:1.2-15
View patch
redhatpatch availablevia redhat_api
Product: Migration Toolkit for Runtimes 1 on RHEL 8Fixed in: mtr/mtr-web-container-rhel8:1.2-16
View patch
redhatpatch availablevia redhat_api
Product: Migration Toolkit for Runtimes 1 on RHEL 8Fixed in: mtr/mtr-web-executor-container-rhel8:1.2-14
View patch
redhatpatch availablevia redhat_api
Product: MTA-6.2-RHEL-9Fixed in: mta/mta-windup-addon-rhel9:6.2.3-2
View patch
redhatpatch availablevia redhat_api
Product: MTA-7.0-RHEL-9Fixed in: mta/mta-cli-rhel9:7.0.3-16
View patch
redhatpatch availablevia redhat_api
Product: MTA-7.0-RHEL-9Fixed in: mta/mta-ui-rhel9:7.0.3-13
View patch
redhatpatch availablevia redhat_api
Product: RHODF-4.15-RHEL-9Fixed in: odf4/odf-console-rhel9:v4.15.0-57
View patch
redhatpatch availablevia redhat_api
Product: RHDH-1.1-RHEL-9Fixed in: rhdh/rhdh-hub-rhel9:1.1-97
View patch
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 2Fixed in: aap-cloud-ui-container
redhatno patchvia redhat_api
Product: Red Hat OpenShift distributed tracing 3Fixed in: rhosdt/jaeger-agent-rhel8
redhatno patchvia redhat_api
Product: Migration Toolkit for VirtualizationFixed in: migration-toolkit-virtualization/mtv-console-plugin-rhel9
redhatno patchvia redhat_api
Product: OpenShift PipelinesFixed in: openshift-pipelines/pipelines-hub-ui-rhel8
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Virtualization 4Fixed in: container-native-virtualization/kubevirt-console-plugin
redhatend of lifevia redhat_api
Product: Migration Toolkit for Applications 6Fixed in: mta/mta-ui-rhel9
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Virtualization 4Fixed in: container-native-virtualization/kubevirt-console-plugin-rhel9
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/nmstate-console-plugin-rhel8
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-console
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Data Science (RHODS)Fixed in: rhods/odh-dashboard-rhel8

Vendor Advisories (2)

redhatCVE-2023-48631Moderate

css-tools: regular expression denial of service (ReDoS) when parsing CSS

Dec 14, 2023
npmGHSA-prr3-c3m5-p7q2medium

@adobe/css-tools Improper Input Validation and Inefficient Regular Expression Complexity

Nov 30, 2023

References

github.com / adobe/css-tools/security/advisories/GHSA-prr3-c3m5-p7q2
Vendor Advisory