CVE-2019-25101: A vulnerability classified as critical has been found in OnShift TurboGears 1.0.11.10

Routine

MEDIUM 6.3DOWNGRADE

CVE-2019-25101 is a medium-severity flaw (CVSS 6.3) affecting turbogears. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as critical has been found in OnShift TurboGears 1.0.11.10. This affects an unknown part of the file turbogears/controllers.py of the component HTTP Header Handler. The manipulation leads to http response splitting. It is possible to initiate the attack remotely. Upgrading to version 1.0.11.11 is able to address this issue. The patch is named f68bbaba47f4474e1da553aa51564a73e1d92a84. It is recommended to upgrade the aff

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-113, CWE-436
Published	2023-02-04
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: turbogears project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-04 08:15 UTCPublished CVE record published
2026-06-17 02:31 UTCUpdated Record last modified

turbogears project turbogears DOWNGRADE

Affected: 1.0.11.10

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.11.10

1. Check installed version

apt-cache policy turbogears || rpm -q turbogears || turbogears --version

2. No fixed release: DOWNGRADE to a release before 1.0.11.10 (Debian / Ubuntu)

apt-cache madison turbogears sudo apt install turbogears=<VERSION_BEFORE_1.0.11.10> sudo apt-mark hold turbogears

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list turbogears sudo dnf downgrade turbogears-<VERSION_BEFORE_1.0.11.10> sudo dnf versionlock add turbogears

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-25101?

turbogears: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-25101 being exploited?

CVE-2019-25101 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-25101 affect?

CVE-2019-25101 affects turbogears. Severity is medium (CVSS 6.3). A vulnerability classified as critical has been found in OnShift TurboGears 1.0.11.10. This affects an unknown part of the file turbogears/controllers.py of the component HTTP Header Handler. The manipulation leads to http response splittin

How urgent is CVE-2019-25101?

Priority 37/100. No elevated risk signals yet.

References

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