CVE-2025-11375
MEDIUM6.5EPSS 0.04%Consul event endpoint is vulnerable to denial of service in github.com/hashicorp/consul
Published: 10/28/2025Modified: 4/28/2026
Description
Consul and Consul Enterprise’s (“Consul”) event endpoint is vulnerable to denial of service (DoS) due to lack of maximum value on the Content Length header. This vulnerability, CVE-2025-11375, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.
Affected packages (4)
- Bitnami/consulfrom 0, < 1.22.0
- Debian/consulfrom 0
- Go/github.com/hashicorp/consulfrom 0, < 1.22.0
- Go/github.com/hashicorp/consulfrom 0, < 1.22.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
References (9)
- ADVISORYhttps://github.com/advisories/GHSA-qh7p-pfq3-677h
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-11375
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2025-11375
- PATCHhttps://github.com/hashicorp/consul
- WEBhttps://discuss.hashicorp.com/t/hcsec-2025-28-consuls-event-endpoint-is-vulnerable-to-denial-of-service/76723
- WEBhttps://github.com/hashicorp/consul/commit/e794201d0c618333d81ad775270f7b32801178fb
- WEBhttps://github.com/hashicorp/consul/pull/22836
- WEBhttps://github.com/hashicorp/consul/releases/tag/v1.22.0
- WEBhttps://pkg.go.dev/vuln/GO-2025-4082