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CVE Database›CVE-2023-28756

CVE-2023-28756

ruby: ReDoS vulnerability in Time

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · March 21, 2023

Updated · June 28, 2026

Description

A flaw was found in the Time gem and Time library of Ruby. The Time parser mishandles invalid strings with specific characters and causes an increase in execution time for parsing strings to Time objects. This issue may result in a Regular expression denial of service (ReDoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-20 · Improper Input Validation