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CVE-2026-67297

FreeRDP before 3.29.0 fails to enforce the RESPONSE_SIZE_LIMIT when processing Transfer-Encoding: chunked HTTP responses in http_response_recv_body(). Attackers controlling a malicious RD Gateway endpoint can send oversized chunked response bodies to exhaust client memory resources without triggering the configured size limit.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:675386a54a9a756ae4b794f516f0e269b721a71c2d646ad856accabea4e8d6cf
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"FreeRDP","vendor":"FreeRDP","versions":[{"lessThan":"3.29.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.29.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["exploit"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2c6r-4pr4-9x8m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /containers/adp/0/references/0
{"name":"GitHub Security Advisory (GHSA-2c6r-4pr4-9x8m)","tags":["vendor-advisory"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-2c6r-4pr4-9x8m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /containers/cna/references/0
{"name":"VulnCheck Advisory: FreeRDP before 3.29.0 Resource Exhaustion via chunked HTTP response","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/freerdp-before-resource-exhaustion-via-chunked-http-response"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b12d2851a9495cf476384610d0a4a172b86a5b442435fef5e567279b00e9944f · sha256:e20c1d174d6f0c84… · /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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