---
title: "CVE-2015-3754\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-2015-3754?format=md
keywords: index, follow
---

# CVE-2015-3754

Publication date 16 August 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

The private-browsing implementation in WebKit in Apple Safari before 6.2.8,
7.x before 7.1.8, and 8.x before 8.0.8 does not prevent caching of HTTP
authentication credentials, which makes it easier for remote attackers to
track users via a crafted web site.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2015-3754?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| qtwebkit-opensource-src | 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Ignored end of standard support |
| 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 |
| qtwebkit-source | 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Ignored end of standard support |
| 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 | Ignored end of life |
| webkit | 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Ignored end of life |
| webkitgtk | 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Ignored end of standard support |
| 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)

## Notes

---

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

webkit receives limited support. For details, see
https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit
webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3754)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-3754)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-3754)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-3754)

### Other references

* <https://support.apple.com/kb/HT205033>
* <http://lists.apple.com/archives/security-announce/2015/Aug/msg00000.html>
* <https://www.cve.org/CVERecord?id=CVE-2015-3754>