---
title: "CVE-2016-1899\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2016-1899?format=md
keywords: index, follow
---

# CVE-2016-1899

Publication date 20 January 2016

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**3.7 · Low**

[Score breakdown](https://ubuntu.com/security/CVE-2016-1899?format=md#impact-score)

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## Description

CRLF injection vulnerability in the ui-blob handler in CGit before 0.12
allows remote attackers to inject arbitrary HTTP headers and conduct HTTP
response splitting attacks or cross-site scripting (XSS) attacks via CRLF
sequences in the mimetype parameter, as demonstrated by a request to
blob/cgit.c.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| cgit | 18.04 LTS bionic | Not affected |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Ignored end of life |
| 15.04 vivid | Ignored end of life |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2016-1899?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| cgit | * Upstream:   [?id=1c5](http://git.zx2c4.com/cgit/commit/?id=1c581a072651524f3b0d91f33e22a42c4166dd96) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

3.7 · Low

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | High |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | Low |
  | Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 3.7 · Low |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1899)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-1899)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-1899)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-1899)

### Other references

* <http://git.zx2c4.com/cgit/commit/?id=1c581a072651524f3b0d91f33e22a42c4166dd96 (v0.12)>
* <https://www.cve.org/CVERecord?id=CVE-2016-1899>