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CVE-2023-26364

Denial of Service of regular expression in package @adobe/css-tools

MEDIUM
5.3
CVSS Score
Published: November 17, 2023 at 01:38 PM UTC
Updated: June 17, 2026 at 05:43 AM UTC
1 product affected across 1 vendorCss Tools

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%
SSVC
PoC

Description

@adobe/css-tools version 4.3.0 and earlier are affected by an Improper Input Validation vulnerability that could result in a minor denial of service while attempting to parse CSS. Exploitation of this issue does not require user interaction or privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Css Tools· Adobenpm
95%
v ≤ 4.3.0v < 4.3.1
Affected range stops below 4.3.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://github.com/adobe/css-tools/security/advisories/GHSA-hpx4-r86g-5jrg

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMadobe
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20NVD-CWE-noinfo

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