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justsystems vulnerabilities

32 published CVES affecting justsystems, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
32
Critical
3
High
26
Medium
3
Low
0
Unscored
0
CISA KEV
0
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Latest justsystems CVEs

Newest publication first · page 1 of 2

  1. HighCVSS 7.8 EPSS 0.68%

    An integer overflow exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause the parser to make an under-sized allocation, which can later allow for memory corruption, potentially resulting in arbitrary code execution. An a...

  2. HighCVSS 7.8 EPSS 0.67%

    A use-after-free vulnerability exists in the Figure stream parsing functionality of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause memory corruption, resulting in arbitrary code execution. Victim would need to open a malicious file to trigger this vulnerability...

  3. HighCVSS 7.8 EPSS 0.70%

    An out-of-bounds write vulnerability exists in the "HyperLinkFrame" stream parser of Ichitaro 2023 1.0.1.59372. A specially crafted document can cause a type confusion, which can lead to memory corruption and eventually arbitrary code execution. An attacker can provide a maliciou...

  4. HighCVSS 7.8 EPSS 0.50%

    An out-of-bounds write vulnerability exists within the parsers for both the "DocumentViewStyles" and "DocumentEditStyles" streams of Ichitaro 2023 1.0.1.59372 when processing types 0x0000-0x0009 of a style record with the type 0x2008. A specially crafted document can cause memory...

  5. HighCVSS 7.8 EPSS 0.53%

    A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corruption and potentially result in arbitrary c...

  6. HighCVSS 7.8 EPSS 0.52%

    A buffer overflow vulnerability exists in the Attribute Arena functionality of Ichitaro 2022 1.0.1.57600. A specially crafted document can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

  7. HighCVSS 7.8 EPSS 0.54%

    A heap-based buffer overflow vulnerability exists in the way Ichitaro version 2022 1.0.1.57600 processes certain LayoutBox stream record types. A specially crafted document can cause a buffer overflow, leading to memory corruption, which can result in arbitrary code execution.To...

  8. HighCVSS 7.8 EPSS 0.45%

    An invalid free vulnerability exists in the Frame stream parser functionality of Ichitaro 2022 1.0.1.57600. A specially crafted document can lead to an attempt to free a stack pointer, which causes memory corruption. An attacker can provide a malicious file to trigger this vulner...

  9. CriticalCVSS 9.8 EPSS 0.90%

    An unquoted search path vulnerability exists in 'JustSystems JUST Online Update for J-License' bundled with multiple products for corporate users as in Ichitaro through Pro5 and others. Since the affected product starts another program with an unquoted file path, a malicious file...

  10. HighCVSS 7.8 EPSS 1.3%

    Memory corruption vulnerability in Rakuraku Hagaki (Rakuraku Hagaki 2018, Rakuraku Hagaki 2017, Rakuraku Hagaki 2016) and Rakuraku Hagaki Select for Ichitaro (Ichitaro 2017, Ichitaro 2016, Ichitaro 2015, Ichitaro Pro3, Ichitaro Pro2, Ichitaro Pro, Ichitaro 2011, Ichitaro Governme...

  11. HighCVSS 7.8 EPSS 1.2%

    Untrusted search path vulnerability in Hanako 2017, Hanako 2016, Hanako 2015, Hanako Pro 3, JUST Office 3 [Standard], JUST Office 3 [Eco Print Package], JUST Office 3 & Tri-De DataProtect Package, JUST Government 3, JUST Jump Class 2, JUST Frontier 3, JUST School 6 Premium, Hanak...

  12. HighCVSS 7.8 EPSS 1.2%

    JustSystems Ichitaro 2016 Trial contains a vulnerability that exists when trying to open a specially crafted PowerPoint file. Due to the application incorrectly handling the error case for a function's result, the application will use this result in a pointer calculation for read...

  13. CriticalCVSS 9.8 EPSS 1.9%

    When processing a record type of 0x3c from a Workbook stream from an Excel file (.xls), JustSystems Ichitaro Office trusts that the size is greater than zero, subtracts one from the length, and uses this result as the size for a memcpy. This results in a heap-based buffer overflo...

  14. CriticalCVSS 9.8 EPSS 2.3%

    When copying filedata into a buffer, JustSystems Ichitaro Office 2016 Trial will calculate two values to determine how much data to copy from the document. If both of these values are larger than the size of the buffer, the application will choose the smaller of the two and trust...

  15. HighCVSS 10.0 EPSS 5.3%

    Unspecified vulnerability in JustSystems Ichitaro 2008 through 2011; Ichitaro Government 6, 7, 2008, 2009, and 2010; Ichitaro Pro; Ichitaro Pro 2; Ichitaro 2011 Sou; Ichitaro 2012 Shou; Ichitaro 2013 Gen; and Ichitaro 2014 Tetsu allows remote attackers to execute arbitrary code v...

  16. HighCVSS 7.6 EPSS 3.6%

    JustSystems JUST Online Update, as used in Ichitaro through 2014 and other products, does not properly validate signatures of update modules, which allows remote attackers to spoof modules and execute arbitrary code via a crafted signature.

  17. HighCVSS 7.5 EPSS 3.5%

    Unspecified vulnerability in JustSystems Sanshiro 2007 before update 3, 2008 before update 5, 2009 before update 6, and 2010 before update 6, and Sanshiro Viewer before 2.0.2.0, allows remote attackers to execute arbitrary code via a crafted document.

  18. HighCVSS 9.3 EPSS 4.6%

    Unspecified vulnerability in JustSystems Ichitaro 2006 through 2011; Ichitaro Government 6, 7, and 2006 through 2010; Ichitaro 2011 Sou; Ichitaro 2012 Shou; Ichitaro 2013 Gen and Gen Trial Edition; Ichitaro Pro; Ichitaro Pro 2 and Pro 2 Trial Edition; Ichitaro Viewer; and Ichitar...

  19. HighCVSS 10.0 EPSS 4.2%

    Unspecified vulnerability in JustSystems Ichitaro 2006 through 2013; Ichitaro Pro through 2; Ichitaro Government 6, 7, and 2006 through 2010; Ichitaro Portable with oreplug; Ichitaro Viewer; and Ichitaro JUST School through 2010 allows remote attackers to execute arbitrary code v...

  20. HighCVSS 9.3 EPSS 3.8%

    Unspecified vulnerability in JustSystems Ichitaro 2006 and 2007, Ichitaro Government 2006 and 2007, Ichitaro Portable with oreplug, Hanako 2006 through 2013, Hanako Police, Hanako Police 3, and Hanako Police 2010 allows remote attackers to execute arbitrary code via a crafted fil...

  21. HighCVSS 7.2 EPSS 0.39%

    Unspecified vulnerability in JustSystems Corporation ATOK 2006 through 2009 and ATOK flat-rate service, and Just Smile 4 with the ATOK Smile module, allows physically proximate users to bypass the screen lock and execute commands with system privileges via unknown vectors related...

  22. MediumCVSS 6.9 EPSS 0.40%

    Untrusted search path vulnerability in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ichitaro Government 2006 through 2010, Ichitaro Portable with oreplug, Ichitaro Viewer, JUST School, JUST School 2009 and 2010, JUST Jump 4, JUST Frontier, and oreplug allows local u...

  23. HighCVSS 9.3 EPSS 4.2%

    Buffer overflow in JustSystems Ichitaro 2011 Sou, Ichitaro 2006 through 2011, Ichitaro Government 2006 through 2010, Ichitaro Portable with oreplug, Ichitaro Viewer, JUST School, JUST School 2009 and 2010, JUST Jump 4, JUST Frontier, oreplug, Shuriken Pro4, Shuriken 2007 through...

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.