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9 vulnerabilities found for hancom_office_2020 by hancom

FKIE_CVE-2023-32541

Vulnerability from fkie_nvd - Published: 2023-09-27 15:18 - Updated: 2025-11-04 20:16
Summary
A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability.
Impacted products
Vendor Product Version
hancom hancom_office_2020 11.0.0.7520

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FKIE_CVE-2022-33896

Vulnerability from fkie_nvd - Published: 2022-10-07 15:15 - Updated: 2024-11-21 07:08
Summary
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.
Impacted products
Vendor Product Version
hancom hancom_office_2020 11.0.0.5357

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FKIE_CVE-2021-21958

Vulnerability from fkie_nvd - Published: 2022-02-16 17:15 - Updated: 2024-11-21 05:49
Summary
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Impacted products
Vendor Product Version
hancom hancom_office_2020 11.0.0.2353

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CVE-2023-32541 (GCVE-0-2023-32541)

Vulnerability from cvelistv5 – Published: 2023-09-26 14:02 – Updated: 2025-11-04 19:16
VLAI?
Summary
A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability.
CWE
Assigner
Impacted products
Vendor Product Version
Hancom Hancom Office 2020 Affected: HWord 11.0.0.7520
Create a notification for this product.
Credits
Discovered by Marcin 'Icewall' Noga of Cisco Talos.
Show details on NVD website

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CVE-2022-33896 (GCVE-0-2022-33896)

Vulnerability from cvelistv5 – Published: 2022-10-07 15:05 – Updated: 2025-04-15 18:49
VLAI?
Summary
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.
CWE
  • CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
Impacted products
Vendor Product Version
Hancom Hancom Office 2020 Affected: Hancom Office 2020 11.0.0.5357
Create a notification for this product.
Show details on NVD website

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CVE-2021-21958 (GCVE-0-2021-21958)

Vulnerability from cvelistv5 – Published: 2022-02-16 16:38 – Updated: 2025-04-15 19:10
VLAI?
Summary
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
n/a Hancom Affected: Hancom Office 2020 11.0.0.2353
Show details on NVD website

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CVE-2023-32541 (GCVE-0-2023-32541)

Vulnerability from nvd – Published: 2023-09-26 14:02 – Updated: 2025-11-04 19:16
VLAI?
Summary
A use-after-free vulnerability exists in the footerr functionality of Hancom Office 2020 HWord 11.0.0.7520. A specially crafted .doc file can lead to a use-after-free. An attacker can trick a user into opening a malformed file to trigger this vulnerability.
CWE
Assigner
Impacted products
Vendor Product Version
Hancom Hancom Office 2020 Affected: HWord 11.0.0.7520
Create a notification for this product.
Credits
Discovered by Marcin 'Icewall' Noga of Cisco Talos.
Show details on NVD website

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CVE-2022-33896 (GCVE-0-2022-33896)

Vulnerability from nvd – Published: 2022-10-07 15:05 – Updated: 2025-04-15 18:49
VLAI?
Summary
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.
CWE
  • CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
Impacted products
Vendor Product Version
Hancom Hancom Office 2020 Affected: Hancom Office 2020 11.0.0.5357
Create a notification for this product.
Show details on NVD website

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CVE-2021-21958 (GCVE-0-2021-21958)

Vulnerability from nvd – Published: 2022-02-16 16:38 – Updated: 2025-04-15 19:10
VLAI?
Summary
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
n/a Hancom Affected: Hancom Office 2020 11.0.0.2353
Show details on NVD website

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    "datePublished": "2022-02-16T16:38:31.000Z",
    "dateReserved": "2021-01-04T00:00:00.000Z",
    "dateUpdated": "2025-04-15T19:10:05.119Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}