CVE-2018-8786
CRITICAL · CVSS 9.8EPSS 8.2%EU EUVD
FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably even a remote code execution.
Key facts
- CVSS score
- 9.8 (v3.1)
- Severity
- CRITICAL
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-680
- EPSS score
- 8.2% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2018-20395)
- Published
- November 29, 2018
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2018-20395 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- debian / debian linux
- fedoraproject / fedora
- freerdp / freerdp
- freerdp / freerdp
- freerdp / freerdp
- freerdp / freerdp
- redhat / enterprise linux desktop
- redhat / enterprise linux server
- redhat / enterprise linux server aus
- redhat / enterprise linux server eus
- redhat / enterprise linux server tus
- redhat / enterprise linux workstation
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 7.6 - Red Hat, Inc. - Common Criteria CCEVS-VR-VID-11039-2020 - archived
References
- http://www.securityfocus.com/bid/106938(Third Party Advisory, VDB Entry)
- https://access.redhat.com/errata/RHSA-2019:0697(Third Party Advisory)
- https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3(Patch, Vendor Advisory)
- https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html(Mailing List, Third Party Advisory)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YVJKO2DR5EY4C4QZOP7SNNBEW2JW6FHX/
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/(Exploit, Third Party Advisory)
- https://usn.ubuntu.com/3845-1/(Third Party Advisory)
- https://usn.ubuntu.com/3845-2/(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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