---
title: "CVE-2019-10098\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-2019-10098?format=md
keywords: index, follow
---

# CVE-2019-10098

Publication date 14 August 2019

Last updated 18 August 2025

---

Ubuntu priority

**Low**

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

## Cvss 3 Severity Score

**6.1 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-10098?format=md#impact-score)

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## Description

In Apache HTTP server 2.4.0 to 2.4.39, Redirects configured with
mod\_rewrite that were intended to be self-referential might be fooled by
encoded newlines and redirect instead to an unexpected URL within the
request URL.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-10098?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| apache2 | 26.04 LTS resolute | Fixed 2.4.41-1ubuntu1 |
| 25.10 questing | Fixed 2.4.41-1ubuntu1 |
| 25.04 plucky | Fixed 2.4.41-1ubuntu1 |
| 24.10 oracular | Fixed 2.4.41-1ubuntu1 |
| 24.04 LTS noble | Fixed 2.4.41-1ubuntu1 |
| 23.10 mantic | Fixed 2.4.41-1ubuntu1 |
| 23.04 lunar | Fixed 2.4.41-1ubuntu1 |
| 22.10 kinetic | Fixed 2.4.41-1ubuntu1 |
| 22.04 LTS jammy | Fixed 2.4.41-1ubuntu1 |
| 21.10 impish | Fixed 2.4.41-1ubuntu1 |
| 21.04 hirsute | Fixed 2.4.41-1ubuntu1 |
| 20.10 groovy | Fixed 2.4.41-1ubuntu1 |
| 20.04 LTS focal | Fixed 2.4.41-1ubuntu1 |
| 19.10 eoan | Fixed 2.4.41-1ubuntu1 |
| 19.04 disco | Fixed 2.4.38-2ubuntu2.2 |
| 18.04 LTS bionic | Fixed 2.4.29-1ubuntu4.10 |
| 16.04 LTS xenial | Fixed 2.4.18-2ubuntu3.12 |
| 14.04 LTS trusty | Vulnerable |

---

* [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-2019-10098?format=md#patch-details)

## Notes

---

### [sbeattie](https://launchpad.net/~sbeattie)

MITIGTION: Anchor captures used as back-references, prefix
self-referential redirects with / or scheme, host, and port.
all 2.4.x up to 2.4.41

### 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 |
| --- | --- |
| apache2 | * Upstream:   [3b3117e](https://github.com/apache/httpd/commit/3b3117e96bc9c2afaeb5b98e9b60315006679a6d) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.1 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.1 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10098)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-10098)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-10098)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-10098)

### Related Ubuntu Security Notices (USN)

+ [USN-4113-1](https://usn.ubuntu.com/USN-4113-1)
+ Apache HTTP Server vulnerabilities
+ 29 August 2019

### Other references

* <https://www.openwall.com/lists/oss-security/2019/08/15/6>
* <https://www.cve.org/CVERecord?id=CVE-2019-10098>