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Vulnerability record · CVE-2018-8788 · published 29 November 2018

CVE-2018-8788: Freerdp out-of-bounds write vulnerability

Freerdp · Freerdp

FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode() that results in a memory corruption and possibly even a remote code execution.

9.8 CVSS 3.0 Critical EPSS 7.4% · top 5.8% CWE-787 · Out-of-bounds write
9.8CVSS 3.0 base score, v2 7.5
7.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
14References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode() that results in a memory corruption and possibly even a remote code execution.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/106938 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:0697
https://github.com/FreeRDP/FreeRDP/commit/d1112c279bd1a327e8e4d0b5f371458bf2579659 PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html Mailing ListThird Party Advisory
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ ExploitThird Party Advisory
https://usn.ubuntu.com/3845-1/ Third Party Advisory
https://usn.ubuntu.com/3845-2/
http://www.securityfocus.com/bid/106938 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:0697
https://github.com/FreeRDP/FreeRDP/commit/d1112c279bd1a327e8e4d0b5f371458bf2579659 PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html Mailing ListThird Party Advisory
https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ ExploitThird Party Advisory
https://usn.ubuntu.com/3845-1/ Third Party Advisory
https://usn.ubuntu.com/3845-2/

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Source: NIST National Vulnerability Database (record CVE-2018-8788), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.