CVE-2022-47977: A vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.
CVE-2022-47977 is a high-severity flaw (CVSS 7.8) affecting jt open toolkit, jt utilities. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.3.0). The affected application contains a memory corruption vulnerability while parsing specially crafted JT files. This could allow an attacker to execute code in the context of the current process.
Why this priority
- High severity
A fixed release or distro patch exists.
Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-47977?
jt open toolkit: upgrade to 11.2.3.0; jt utilities: upgrade to 11.2.3.0. Exact commands for each OS are on this page.
Is CVE-2022-47977 being exploited?
CVE-2022-47977 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-47977 affect?
CVE-2022-47977 affects jt open toolkit, jt utilities. Severity is high (CVSS 7.8). A vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.3.0). The affected application contains a memory corruption vulnerability while parsing specially crafted JT files. This could all
How urgent is CVE-2022-47977?
Priority 30/100. High severity
Related CVEs
- CVE-2022-47936 HIGH 7.8 UPGRADE UPGRADE A vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.
- CVE-2023-29053 HIGH 7.8 UPGRADE UPGRADE A vulnerability has been identified in JT Open (All versions < V11.3.2.0), JT Utilities (All versions < V13.3.