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CVE-2026-34462

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, several ProcessServer handlers (KillAllHandler, SuspendAllHandler, and RunSandboxedHandler) copy a WCHAR boxname[34] field from request structures into WCHAR[40] stack buffers using wcscpy without verifying null termination. Because the service pipe accepts variable-length packets larger than the request structure, an attacker can fill the boxname field with non-zero data and append add
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:da717d0bbe26f57c2e95bebc73852f0b7bde2f0fc3c38bcac46a7bc4c2f0f1c1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:30ae7737b0d3e7f40dbff067c361954821c9c56871c3a8fabf3d1c50078d5421 · sha256:60fff82da23ead74… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-170","description":"CWE-170: Improper Null Termination","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:30ae7737b0d3e7f40dbff067c361954821c9c56871c3a8fabf3d1c50078d5421 · sha256:60fff82da23ead74… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"Sandboxie","vendor":"sandboxie-plus","versions":[{"status":"affected","version":"< 1.17.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:30ae7737b0d3e7f40dbff067c361954821c9c56871c3a8fabf3d1c50078d5421 · sha256:60fff82da23ead74… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":7.3,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:30ae7737b0d3e7f40dbff067c361954821c9c56871c3a8fabf3d1c50078d5421 · sha256:60fff82da23ead74… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:30ae7737b0d3e7f40dbff067c361954821c9c56871c3a8fabf3d1c50078d5421 · sha256:60fff82da23ead74… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-170","description":"CWE-170: Improper Null Termination","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:30ae7737b0d3e7f40dbff067c361954821c9c56871c3a8fabf3d1c50078d5421 · sha256:60fff82da23ead74… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-9cjg-vh9m-hhx4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-9cjg-vh9m-hhx4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:30ae7737b0d3e7f40dbff067c361954821c9c56871c3a8fabf3d1c50078d5421 · sha256:60fff82da23ead74… · /containers/cna/references/0

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.

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