AUGUST 4, 2026
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Case File

CVE-2022-28738

CRITICAL · CVSS 9.8 EPSS 2.83%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-05-09 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2022-28738
Severity
CRITICAL
CVSS
9.8
EPSS
2.83%

Original NVD Description

A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted user input, an attacker may be able to write to unexpected memory locations.

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