CVE catalog
CVE-2012-2374
python-tornado: CVE-2012-2374
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.36% · Oct 27, 2026
CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input.
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-tornado | sid | 6.5.5-5 | fixed |
| Debian | python-tornado | forky | 6.5.5-5 | fixed |
| Debian | python-tornado | trixie | 6.4.2-3+deb13u2 | fixed |
| Debian | python-tornado | trixie-security | 6.4.2-3+deb13u2 | fixed |
| Debian | python-tornado | bookworm | 6.2.0-3+deb12u4 | fixed |
| Debian | python-tornado | bookworm-security | 6.2.0-3+deb12u4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | python-tornado | source | sid | 2.1.0-3 | low | Not reported | [673987] |
| Debian | python-tornado | source | forky | 2.1.0-3 | low | Not reported | [673987] |
| Debian | python-tornado | source | trixie | 2.1.0-3 | low | Not reported | [673987] |
| Debian | python-tornado | source | bookworm | 2.1.0-3 | low | Not reported | [673987] |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [python3-tornado]Unknown
Source package: [python-tornado]
Details (4)
6.2.0-3+deb12u4· amd64 · bookwormFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · bookworm; dsa · python-tornado · debian · 12
6.2.0-3+deb12u4· arm64 · bookwormFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · bookworm; dsa · python-tornado · debian · 12
6.2.0-3+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · bookworm; dsa · python-tornado · debian · 12
6.2.0-3+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · bookworm; dsa · python-tornado · debian · 12
- [python-tornado-doc]Unknown
Source package: [python-tornado]
Details (4)
6.2.0-3+deb12u4· all · bookwormFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · bookworm; dsa · python-tornado · debian · 12
6.2.0-3+deb12u4· all · bookwormFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · bookworm; dsa · python-tornado · debian · 12
6.2.0-3+deb12u4· all · bookworm-securityFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · bookworm; dsa · python-tornado · debian · 12
6.2.0-3+deb12u4· all · bookworm-securityFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · bookworm; dsa · python-tornado · debian · 12
[Debian 13 (Trixie)]
- [python3-tornado]Unknown
Source package: [python-tornado]
Details (4)
6.4.2-3+deb13u2· amd64 · trixieFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · 13
6.4.2-3+deb13u2· arm64 · trixieFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · 13
6.4.2-3+deb13u2· amd64 · trixie-securityFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · 13
6.4.2-3+deb13u2· arm64 · trixie-securityFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · 13
- [python-tornado-doc]Unknown
Source package: [python-tornado]
Details (4)
6.4.2-3+deb13u2· all · trixieFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · 13
6.4.2-3+deb13u2· all · trixieFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · 13
6.4.2-3+deb13u2· all · trixie-securityFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · 13
6.4.2-3+deb13u2· all · trixie-securityFixed · Fixed:
2.1.0-3dsa · python-tornado · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2012-2374]
- [https://security-tracker.debian.org/tracker/CVE-2012-2374]
- [https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-2374.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]