SWHKD 1.1.5 allows unsafe parsing via the -c option. An information leak might occur but there is a simple denial of service (memory exhaustion) upon an attempt to parse a large or infinite file (such as a block or character device).

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-27819
• waycrate/swhkd@b4e6dc7
• https://github.com/waycrate/swhkd/releases
• http://www.openwall.com/lists/oss-security/2022/04/14/1
• https://github.com/waycrate/swhkd/releases/tag/1.2.0