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CVE-2023-26364

17
FAUCET Score

CVE-2023-26364 is an Improper Input Validation vulnerability affecting @adobe/css-tools version 4.3.0 and earlier, which could lead to a minor denial of service when parsing CSS. This vulnerability has a CVSS score of 5.3 (Medium), indicating it can be exploited remotely without user interaction or privileges, resulting in a low impact on availability. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.3.1CPE 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
0.98%
Probability of exploitation in next 30 days
EPSS Percentile
58.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0098 is in the 37th percentile among its peer group of 23,725 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 (21)

npmpatch availablevia ghsa
Product: @adobe/css-toolsFixed in: 4.3.1
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-4.14-RHEL-9Fixed in: odf4/odf-multicluster-console-rhel9:v4.14.13-3
View patch
redhatpatch availablevia redhat_api
Product: RHODF-4.15-RHEL-9Fixed in: odf4/odf-multicluster-console-rhel9:v4.15.9-1
View patch
redhatpatch availablevia redhat_api
Product: RHODF-4.17-RHEL-9Fixed in: odf4/odf-multicluster-console-rhel9:v4.17.0-53
View patch
redhatpatch availablevia redhat_api
Product: RHODF-4.16-RHEL-9Fixed in: odf4/odf-multicluster-console-rhel9:v4.16.5-2
View patch
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: OpenShift PipelinesFixed in: openshift-pipelines/pipelines-hub-api-rhel8
redhatno patchvia redhat_api
Product: Red Hat OpenShift Data Science (RHODS)Fixed in: rhods/odh-dashboard-rhel8
redhatno patchvia redhat_api
Product: OpenShift PipelinesFixed in: openshift-pipelines/pipelines-hub-db-migration-rhel8
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-rhel9
redhatend of lifevia redhat_api
Product: Red Hat build of OptaPlanner 8Fixed in: css-tools
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

Vendor Advisories (2)

redhatCVE-2023-26364Moderate

css-tools: Improper Input Validation causes Denial of Service via Regular Expression

Nov 17, 2023
npmGHSA-hpx4-r86g-5jrgmedium

@adobe/css-tools Regular Expression Denial of Service (ReDOS) while Parsing CSS

Aug 29, 2023

References

github.com / adobe/css-tools/security/advisories/GHSA-hpx4-r86g-5jrg
Vendor Advisory