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High severity7.8NVD Advisory· Published Oct 7, 2022· Updated Jun 17, 2026

CVE-2022-33896

CVE-2022-33896

Description

A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.

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Affected products

3
  • Hancom/Office 20202 versions
    cpe:2.3:a:hancom:hancom_office_2020:11.0.0.5357:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:hancom:hancom_office_2020:11.0.0.5357:*:*:*:*:*:*:*
    • (no CPE)range: = 11.0.0.5357
  • Hancom/Hancom Office 2014cpe-rescue
    Range: Hancom Office 2020 11.0.0.5357

Patches

Vulnerability mechanics

References

1

News mentions

0

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