JustSystems vulnerabilities
We track 9 vulnerabilities in JustSystems products across 60+ products. 9 are rated high or critical, and none are known to be exploited. The most recent was published on October 19, 2023.
Latest JustSystems vulnerabilities
- 7.8 High severity
Ichitaro 2023: Out-of-bounds Write
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 ca
- 7.8 High severity
Ichitaro 2023: Integer Overflow or Wraparound
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
- 7.8 High severity
Ichitaro 2023: Use After Free
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 trigge
- 7.8 High severity
Ichitaro 2023: Out-of-bounds Write
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 docum
- 7.8 High severity
Ichitaro: Heap-based Buffer Overflow
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 arbitrar
- 7.8 High severity
Ichitaro: Free of Memory not on the Heap
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
- 7.8 High severity
Ichitaro: Heap-based Buffer Overflow
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.
- 7.8 High severity
Ichitaro: Use After Free
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 r
- 9.8 Critical severity
JustSystems JUST Online Update for J-License': Unquoted Search Path or Element
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 pa