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Hancom Office vulnerabilities

7 published CVES affecting Hancom Office, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
7
Critical
0
High
6
Medium
1
Low
0
Unscored
0
CISA KEV
0

Latest Hancom Office CVEs

Newest publication first

  1. MediumCVSS 5.5 EPSS 0.68%

    Hancom Office 2018 10.0.0.8214 and earlier, Hancom Office NEO 9.6.1.10472 and earlier, Hancom Office 2014 9.1.1.4540 and earlier, Hancom Office 2010 8.5.8.1724 and earlier versions have a heap overflow vulnerability when handling Compound File in document. This result in a progra...

  2. HighCVSS 7.8 EPSS 2.2%

    When opening a Hangul Hcell Document (.cell) and processing a record that uses the CSSValFormat object, Hancom Office 2014 will search for an underscore ("_") character at the end of the string and write a null terminator after it. If the character is at the very end of the strin...

  3. HighCVSS 7.8 EPSS 2.2%

    When opening a Hangul Hcell Document (.cell) and processing a particular record within the Workbook stream, an index miscalculation leading to a heap overlow can be made to occur in Hancom Office 2014. The vulnerability occurs when processing data for a formula used to render a c...

  4. HighCVSS 7.8 EPSS 2.4%

    When opening a Hangul Hcell Document (.cell) and processing a property record within the Workbook stream, Hancom Office 2014 will attempt to allocate space for an element using a length from the file. When copying user-supplied data to this buffer, however, the application will u...

  5. HighCVSS 7.8 EPSS 2.1%

    When opening a Hangul HShow Document (.hpt) and processing a structure within the document, Hancom Office 2014 will use a static size to allocate a heap buffer yet explicitly trust a size from the file when modifying data inside of it. Due to this, an aggressor can corrupt memory...

  6. HighCVSS 7.8 EPSS 2.1%

    When opening a Hangul HShow Document (.hpt) and processing a structure within the document, Hancom Office 2014 will use a field from the structure in an operation that can cause the integer to overflow. This result is then used to allocate memory to copy file data in. Due to the...

  7. HighCVSS 7.8 EPSS 2.1%

    When opening a Hangul HShow Document (.hpt) and processing a structure within the document, Hancom Office 2014 will attempt to allocate space for a block of data within the file. When calculating this length, the application will use a value from the file and add a constant to it...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.