H3 is a minimal H(TTP) framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this header should be case-insensitive. This vulnerability is fixed in 1.15.5.
Metrics
Affected Vendors & Products
References
History
Thu, 15 Jan 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 15 Jan 2026 19:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | H3 is a minimal H(TTP) framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this header should be case-insensitive. This vulnerability is fixed in 1.15.5. | |
| Title | Request Smuggling (TE.TE) in h3 v1 | |
| Weaknesses | CWE-444 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-01-15T20:00:06.302Z
Reserved: 2026-01-13T18:22:43.981Z
Link: CVE-2026-23527
Updated: 2026-01-15T19:59:59.151Z
Status : Received
Published: 2026-01-15T20:16:05.620
Modified: 2026-01-15T20:16:05.620
Link: CVE-2026-23527
No data.
OpenCVE Enrichment
No data.