CVE catalog
CVE-2020-7695
python-uvicorn: CVE-2020-7695
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.39% · Oct 25, 2026
Uvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | python-uvicorn | sid | 0.53.0-1 | fixed |
| Debian | python-uvicorn | forky | 0.53.0-1 | fixed |
| Debian | python-uvicorn | trixie | 0.32.0-3 | fixed |
| Debian | python-uvicorn | bookworm | 0.17.6-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | python-uvicorn | source | sid | 0.13.3-1 | not yet assigned | Not reported | [969275] |
| Debian | python-uvicorn | source | forky | 0.13.3-1 | not yet assigned | Not reported | [969275] |
| Debian | python-uvicorn | source | trixie | 0.13.3-1 | not yet assigned | Not reported | [969275] |
| Debian | python-uvicorn | source | bookworm | 0.13.3-1 | not yet assigned | Not reported | [969275] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [python3-uvicorn]Fixed
Source package: [python-uvicorn]
Details (2)
0.17.6-1· all · bookwormFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · bookworm; dsa · python-uvicorn · debian · 12
0.17.6-1· all · bookwormFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · bookworm; dsa · python-uvicorn · debian · 12
- [python-uvicorn-doc]Fixed
Source package: [python-uvicorn]
Details (2)
0.17.6-1· all · bookwormFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · bookworm; dsa · python-uvicorn · debian · 12
0.17.6-1· all · bookwormFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · bookworm; dsa · python-uvicorn · debian · 12
- [uvicorn]Fixed
Source package: [python-uvicorn]
Details (2)
0.17.6-1· all · bookwormFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · bookworm; dsa · python-uvicorn · debian · 12
0.17.6-1· all · bookwormFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · bookworm; dsa · python-uvicorn · debian · 12
[Debian 13 (Trixie)]
- [python3-uvicorn]Fixed
Source package: [python-uvicorn]
Details (2)
0.32.0-3· all · trixieFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · 13
0.32.0-3· all · trixieFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · 13
- [python-uvicorn-doc]Fixed
Source package: [python-uvicorn]
Details (2)
0.32.0-3· all · trixieFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · 13
0.32.0-3· all · trixieFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · 13
- [uvicorn]Fixed
Source package: [python-uvicorn]
Details (2)
0.32.0-3· all · trixieFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · 13
0.32.0-3· all · trixieFixed · Fixed:
0.13.3-1dsa · python-uvicorn · debian · 13
Observed: