The package github.com/containrrr/shoutrrr/pkg/util before 0.6.0 are vulnerable to Denial of Service (DoS) via the util.PartitionMessage function. Exploiting this vulnerability is possible by sending exactly 2000, 4000, or 6000 characters messages.
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMCONTAINRRRSHOUTRRRPKGUTIL-2849059
https://github.com/containrrr/shoutrrr/releases/tag/v0.6.0
https://github.com/containrrr/shoutrrr/pull/242
https://github.com/containrrr/shoutrrr/commit/6a27056f9d7522a8b493216195cb7634bf4b5c42
https://github.com/containrrr/shoutrrr/issues/240
Source: Mitre, NVD
Published: 2022-07-15
Updated: 2022-07-21
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00106