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Sisimai Inefficient Regular Expression Complexity vulnerability

Moderate severity GitHub Reviewed Published Jan 17, 2023 to the GitHub Advisory Database • Updated Mar 1, 2024

Package

bundler sisimai (RubyGems)

Affected versions

< 4.25.14p12

Patched versions

4.25.14p12

Description

A vulnerability has been found in Sisimai up to 4.25.14p11 and classified as problematic. This vulnerability affects the function to_plain of the file lib/sisimai/string.rb. The manipulation leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. Upgrading to version 4.25.14p12 is able to address this issue. The name of the patch is 51fe2e6521c9c02b421b383943dc9e4bbbe65d4e. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-218452.

References

Published by the National Vulnerability Database Jan 17, 2023
Published to the GitHub Advisory Database Jan 17, 2023
Reviewed Jan 20, 2023
Last updated Mar 1, 2024

Severity

Moderate

EPSS score

0.537%
(78th percentile)

Weaknesses

CVE ID

CVE-2022-4891

GHSA ID

GHSA-vm74-j4wq-82xj

Source code

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