CVE-2018-18340: Use After Free
First published: Wed Dec 05 2018(Updated: )
An use after free flaw was found in the MediaRecorder component of the Chromium browser. Upstream bug(s): <a href="https://code.google.com/p/chromium/issues/detail?id=896736">https://code.google.com/p/chromium/issues/detail?id=896736</a> External References: <a href="https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html">https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html</a>
Credit: cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome | <71.0.3578.80 | |
| Redhat Linux Desktop | =6.0 | |
| Redhat Linux Server | =6.0 | |
| Redhat Linux Workstation | =6.0 | |
| Debian Debian Linux | =9.0 | |
| redhat/chromium-browser | <71.0.3578.80 | 71.0.3578.80 |
| debian/chromium | 90.0.4430.212-1~deb10u1 116.0.5845.180-1~deb11u1 120.0.6099.129-1~deb11u1 119.0.6045.199-1~deb12u1 120.0.6099.129-1~deb12u1 120.0.6099.129-1 |
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Reference Links
- http://www.securityfocus.com/bid/106084
- https://access.redhat.com/errata/RHSA-2018:3803
- https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html
- https://crbug.com/896736
- https://security.gentoo.org/glsa/201908-18
- https://www.debian.org/security/2018/dsa-4352
- https://code.google.com/p/chromium/issues/detail?id=896736
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656576
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656575
- https://bugzilla.redhat.com/show_bug.cgi?id=1656554
- https://security-tracker.debian.org/tracker/CVE-2018-18340
Frequently Asked Questions
What is CVE-2018-18340?
CVE-2018-18340 is a vulnerability in Google Chrome that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Which software versions are affected by CVE-2018-18340?
Google Chrome versions prior to 71.0.3578.80 are affected by CVE-2018-18340. Redhat Linux Desktop, Server, and Workstation versions 6.0 are also affected. Debian Linux version 9.0 and the chromium-browser and chromium packages in Debian are also affected.
What is the severity of CVE-2018-18340?
CVE-2018-18340 has a severity rating of 8.8 (High).
Where can I find more information about CVE-2018-18340?
You can find more information about CVE-2018-18340 at the following references: [1] https://security-tracker.debian.org/tracker/CVE-2018-18340, [2] http://www.securityfocus.com/bid/106084, [3] https://access.redhat.com/errata/RHSA-2018:3803
How can I fix CVE-2018-18340?
To fix CVE-2018-18340, update Google Chrome to version 71.0.3578.80 or later. For Redhat Linux, apply the necessary patches as indicated in the Redhat Security Advisory RHSA-2018:3803. For Debian Linux, update the chromium-browser and chromium packages to the recommended versions.
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