CVE-2022-28738 — Double Free in Ruby
Severity
9.8CRITICALNVD
EPSS
0.4%
top 41.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 9
Latest updateApr 15
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9