CVE Explorer
CVE-2026-8484
A heap buffer overflow vulnerability exists in the Jansi JNI "ioctl()" wrapper due to a lack of size verification for the argument array before the system call. This can lead to heap corruption and application crashes (DoS).
All versions are believed to be vulnerable. This project is unmaintained at the time of CVE assignment.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unknown","packageName":"org.fusesource.jansi:jansi","product":"jansi","repo":"https://github.com/fusesource/jansi","vendor":"FuseSource","versions":[{"lessThanOrEqual":"2.4.3","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:074cacdfaad775955e7e16077325055367dd45f0ea1503bb78388d6bec8ffb8d · sha256:5e05da92a238d67b… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":4.8,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"N…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:074cacdfaad775955e7e16077325055367dd45f0ea1503bb78388d6bec8ffb8d · sha256:5e05da92a238d67b… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-122","description":"CWE-122 Heap-based Buffer Overflow","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:074cacdfaad775955e7e16077325055367dd45f0ea1503bb78388d6bec8ffb8d · sha256:5e05da92a238d67b… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["third-party-advisory"],"url":"https://cert.pl/en/posts/2026/06/CVE-2026-8484"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:074cacdfaad775955e7e16077325055367dd45f0ea1503bb78388d6bec8ffb8d · sha256:5e05da92a238d67b… · /containers/cna/references/0
{"tags":["product"],"url":"https://github.com/fusesource/jansi/tree/master"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:074cacdfaad775955e7e16077325055367dd45f0ea1503bb78388d6bec8ffb8d · sha256:5e05da92a238d67b… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.