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CVE-2026-39959

Tmds.DBus provides .NET libraries for working with D-Bus from .NET. Tmds.DBus and Tmds.DBus.Protocol are vulnerable to malicious D-Bus peers. A peer on the same bus can spoof signals by impersonating the owner of a well-known name, exhaust system resources or cause file descriptor spillover by sending messages with an excessive number of Unix file descriptors, and crash the application by sending malformed message bodies that cause unhandled exceptions on the SynchronizationContext. This vulnera
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3a8d7c6e08b6d1521ebe5b285dabb3a78e8605e4bce25f0cc3cac169671fa3a6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"Tmds.DBus.Protocol","vendor":"tmds","versions":[{"status":"affected","version":"< 0.21.3"},{"status":"affected","version":">= 0.22.0, < 0.92.0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/affected/1

{"product":"Tmds.DBus","vendor":"tmds","versions":[{"status":"affected","version":"< 0.92.0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/affected/0
cwe · 2 assertions

{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

2 source assertions
{"product":"Tmds.DBus.Protocol","vendor":"tmds","versions":[{"status":"affected","version":"< 0.21.3"},{"status":"affected","version":">= 0.22.0, < 0.92.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/affected/1
{"product":"Tmds.DBus","vendor":"tmds","versions":[{"status":"affected","version":"< 0.92.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/tmds/Tmds.DBus/security/advisories/GHSA-xrw6-gwf8-vvr9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/tmds/Tmds.DBus/security/advisories/GHSA-xrw6-gwf8-vvr9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:892bcab4c9181800cc375d12ad690d3d9be08ceb7fa85acd357f9fc549abc85e · sha256:bd68d2a0fe64eea7… · /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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