CVE-2018-8786: Buffer Overflow

Published Nov 29, 2018
·
Updated

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function updatereadbitmapupdate() and results in a memory corruption and probably even a remote code execution.

Other sources

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function updatereadbitmapupdate() and results in a memory corruption.

Upstream patch:

https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3

Red Hat

Affected Software

18 affected componentsFixes available
redhat/freerdp<2.0.0
2.0.0
FreeRDP freerdp<=1.2.0
FreeRDP freerdp=2.0.0-rc1
FreeRDP freerdp=2.0.0-rc2
FreeRDP freerdp=2.0.0-rc3
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
Debian Debian Linux=8.0
Fedoraproject Fedora=28
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Server Aus=7.6
redhat Enterprise Linux Server Eus=7.6
redhat Enterprise Linux Server Tus=7.6
redhat Enterprise Linux Workstation=7.0
debian/freerdp2
2.3.0+dfsg1-2+deb11u12.3.0+dfsg1-2+deb11u32.11.7+dfsg1-6~deb12u1

Event History

Nov 29, 2018
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionWeakness
Feb 20, 2026
Data Sourced
via Ubuntu·09:15 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·09:15 PM
Description
Data Sourced
via Debian·09:15 PM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2018-8786?

CVE-2018-8786 has a high severity due to the potential for remote code execution and memory corruption.

2

How do I fix CVE-2018-8786?

To fix CVE-2018-8786, update FreeRDP to version 2.0.0-rc4 or later.

3

What systems are affected by CVE-2018-8786?

CVE-2018-8786 affects FreeRDP versions prior to 2.0.0-rc4 along with various older versions of Linux distributions that include FreeRDP.

4

What type of vulnerability is CVE-2018-8786?

CVE-2018-8786 is classified as an integer truncation vulnerability leading to a heap-based buffer overflow.

5

Is there any known exploit for CVE-2018-8786?

While there are no specific public exploits reported for CVE-2018-8786, its nature suggests high risk if left unpatched.

Contact

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