CVE-2018-8784

CRITICALNVD 9.8

9.8

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

CVSS v3: 9.8
EG Score: —
EPSS: 94.2%
KEV: Not listed

Published

November 29, 2018

Last Modified

November 21, 2024

References (8)

cve@checkpointhttp://www.securityfocus.com/bid/106938
cve@checkpointhttps://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7
cve@checkpointhttps://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
cve@checkpointhttps://usn.ubuntu.com/3845-1/
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106938
af854a3a-2127-422b-91ae-364da2661108https://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7
af854a3a-2127-422b-91ae-364da2661108https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3845-1/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 01:16 UTCOSV refresh

Frequently asked(5)

What is CVE-2018-8784?

CVE-2018-8784 is a critical vulnerability published on November 29, 2018. FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfxdecompresssegment() that results in a memory corruption and probably even a remote code execution.

When was CVE-2018-8784 disclosed?

CVE-2018-8784 was first published in the National Vulnerability Database on November 29, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-8784 actively exploited?

CVE-2018-8784 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-8784?

CVE-2018-8784 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-8784?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-8784, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-8784

📅 Published

🔄 Last Modified

🔗 References (8)