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CVE-2026-44601

Tor before 0.4.9.7, when circuit queue memory pressure exists, can experience a client crash because of a double close of a circuit, aka TROVE-2026-009.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bd2c73706ed65a2cabb702d8f4decb966348dd243c75a8ec0b28f603974ea800
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Tor","vendor":"torproject","versions":[{"lessThan":"0.4.9.7","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7dccbae7c66d8432e90011f8a7182d2f2655d7e20ac05cfe371692bb5785d796 · sha256:7f1ada03cc9d11ba… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7dccbae7c66d8432e90011f8a7182d2f2655d7e20ac05cfe371692bb5785d796 · sha256:7f1ada03cc9d11ba… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-837","description":"CWE-837 Improper Enforcement of a Single, Unique Action","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7dccbae7c66d8432e90011f8a7182d2f2655d7e20ac05cfe371692bb5785d796 · sha256:7f1ada03cc9d11ba… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://forum.torproject.org/c/news/tor-release-announcement/28"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7dccbae7c66d8432e90011f8a7182d2f2655d7e20ac05cfe371692bb5785d796 · sha256:7f1ada03cc9d11ba… · /containers/cna/references/0
{"url":"https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7dccbae7c66d8432e90011f8a7182d2f2655d7e20ac05cfe371692bb5785d796 · sha256:7f1ada03cc9d11ba… · /containers/cna/references/3
{"url":"https://gitlab.torproject.org/tpo/core/tor/-/work_items/41237"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7dccbae7c66d8432e90011f8a7182d2f2655d7e20ac05cfe371692bb5785d796 · sha256:7f1ada03cc9d11ba… · /containers/cna/references/2
{"url":"https://www.openwall.com/lists/oss-security/2026/05/06/8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7dccbae7c66d8432e90011f8a7182d2f2655d7e20ac05cfe371692bb5785d796 · sha256:7f1ada03cc9d11ba… · /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.

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