CVE-2018-18336: Use After Free
First published: Wed Dec 05 2018(Updated: )
An use after free flaw was found in the PDFium component of the Chromium browser. Upstream bug(s): <a href="https://code.google.com/p/chromium/issues/detail?id=898531">https://code.google.com/p/chromium/issues/detail?id=898531</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 |
|---|---|---|
| redhat/chromium-browser | <71.0.3578.80 | 71.0.3578.80 |
| 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 | |
| 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/898531
- https://security.gentoo.org/glsa/201908-18
- https://www.debian.org/security/2018/dsa-4352
- https://code.google.com/p/chromium/issues/detail?id=898531
- 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=1656550
- https://security-tracker.debian.org/tracker/CVE-2018-18336
Frequently Asked Questions
What is CVE-2018-18336?
CVE-2018-18336 is a vulnerability in PDFium in Google Chrome prior to 71.0.3578.80 that allows a remote attacker to potentially exploit heap corruption via a crafted PDF file.
How does CVE-2018-18336 impact Google Chrome?
CVE-2018-18336 impacts Google Chrome versions prior to 71.0.3578.80 by allowing a remote attacker to potentially exploit heap corruption via a crafted PDF file.
Which operating systems are affected by CVE-2018-18336?
CVE-2018-18336 affects Google Chrome on all operating systems prior to version 71.0.3578.80, as well as Redhat Linux Desktop, Redhat Linux Server, Redhat Linux Workstation, and Debian Linux.
What is the severity of CVE-2018-18336?
CVE-2018-18336 has a severity value of 8.8, indicating a high severity.
How can I fix CVE-2018-18336?
To fix CVE-2018-18336, update Google Chrome to version 71.0.3578.80 or later. For Redhat Linux Desktop, Redhat Linux Server, and Redhat Linux Workstation, refer to the associated Redhat advisory. For Debian Linux, update the chromium package to the appropriate version.
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