What’s Vulnerable › Vulnerabilities

CVE-2017-2819

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-05-24 · updated 2026-06-17
• Weakness: CWE-119

Description

An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the context of the application. An attacker can entice a user to open up a document in order to trigger this vulnerability.

Affected products

• Hancom Hangul Word Processor: 9.6.1.4350
• Hancom office Hword NEO: 9.6.1.4902

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2017-0320
• https://talosintelligence.com/vulnerability_reports/TALOS-2017-0320

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