Justsystems Just Office 4 vulnerabilities

5 CVEs affecting Justsystems Just Office 4, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-38128, published 2023-10-19.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2022-36344, published 2022-08-16. Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days. 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…
CVE-2023-38128, published 2023-10-19. High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days. 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…
CVE-2023-38127, published 2023-10-19. High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
CVE-2023-34366, published 2023-10-19. High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days. 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…
CVE-2023-35126, published 2023-10-19. High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days. 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…