CVE-2020-26289

Regular expression Denial of Service in date-and-time

HIGH
7.5
CVSS Score
Published: December 28, 2020 at 06:50 PM UTC
Updated: June 17, 2026 at 03:08 AM UTC
2 products affected across 2 vendorsDate and TimeAnd Time Project Date and Time

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.

Affected

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

v < 0.14.2
Affected range stops below 0.14.2, so it looks safe — our inference, not a vendor statement
v < 0.14.2
Affected range stops below 0.14.2, 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:

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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