Debian/python-h2: unknown
h2 is a pure-Python implementation of a HTTP/2 protocol stack. Prior to version 4.3.0, an HTTP/2 request splitting vulnerability allows attackers to perform request smuggling attacks by injecting CRLF
Action: Upgrade python-h2 to 4.3.0-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.3.0-1 | - |
Fixed versions
| 4.3.0-1 |
Sources
- osv: DEBIAN-CVE-2025-57804#Debian:14/python-h2
- https://security-tracker.debian.org/tracker/CVE-2025-57804
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