Denial of service (DoS) in github.com/containrrr/shoutrrr/pkg/util
Priority LOW 36CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
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.
Why it matters now
EPSS 0.01645 76th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed github.com/containrrr/shoutrrr/pkg/util: 0.6.0github.com/containrrr/shoutrrr (Go): 0.6.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | github.com/containrrr/shoutrrr/pkg/util | before 0.6.0 | 0.6.0 | Patch available | CNA |
| — | github.com/containrrr/shoutrrr (Go) | before 0.6.0 | 0.6.0 | Patch available | GHSA-477v-w82m-634j |
- github.com/containrrr/shoutrrr/pkg/util Vendor— Affected before 0.6.0 Fixed in 0.6.0 Patch available CNA
- github.com/containrrr/shoutrrr (Go) Vendor— Affected before 0.6.0 Fixed in 0.6.0 Patch available GHSA-477v-w82m-634j
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:containrrr:shoutrrr:*:*:*:*:*:*:*:* | before 0.6.0 | Vulnerable | Containrrr |
- cpe:2.3:a:containrrr:shoutrrr:*:*:*:*:*:*:*:* Versions before 0.6.0 Vulnerable ·Containrrr
Remediation
- Fix · CNA github.com/containrrr/shoutrrr/pkg/util Fixed in 0.6.0
- Fix · GHSA-477v-w82m-634j github.com/containrrr/shoutrrr (Go) Fixed in 0.6.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-25891
- 2026-10-03 Alias added: GHSA-477v-w82m-634j
References
Patch 2
Advisory 2
Sources
- CVE-2022-25891 · CVE Program
- CVE-2022-25891 · NVD
- FIRST EPSS
- GHSA-477v-w82m-634j · GitHub Advisory Database · CC BY 4.0
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