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CVE-2026-27015

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a missing bounds check in `smartcard_unpack_read_size_align()` (`libfreerdp/utils/smartcard_pack.c:1703`) allows a malicious RDP server to crash the FreeRDP client via a reachable `WINPR_ASSERT` → `abort()`. The crash occurs in upstream builds where `WITH_VERBOSE_WINPR_ASSERT=ON` (default in FreeRDP 3.22.0 / current WinPR CMake defaults). Smartcard redirection must be explicitly enabled by the user (e.g., `
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9afebf35705244f2f519a5e23c8baa3b128907e47a7b0011c6a8347b5899c0bf
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"FreeRDP","vendor":"FreeRDP","versions":[{"status":"affected","version":"< 3.23.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:de45309a98366c69c6d29712f4cf801e54b8f8c0d8f91216976b707403bd9e20 · sha256:b6a6f7e6fc42c03e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":5,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:de45309a98366c69c6d29712f4cf801e54b8f8c0d8f91216976b707403bd9e20 · sha256:b6a6f7e6fc42c03e… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-617","description":"CWE-617: Reachable Assertion","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:de45309a98366c69c6d29712f4cf801e54b8f8c0d8f91216976b707403bd9e20 · sha256:b6a6f7e6fc42c03e… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/FreeRDP/FreeRDP/commit/65d59d3b3c2f630f2ea862687ecf5f95f8115244","tags":["x_refsource_MISC"],"url":"https://github.com/FreeRDP/FreeRDP/commit/65d59d3b3c2f630f2ea862687ecf5f95f8115244"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:de45309a98366c69c6d29712f4cf801e54b8f8c0d8f91216976b707403bd9e20 · sha256:b6a6f7e6fc42c03e… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7g72-39pq-4725"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:de45309a98366c69c6d29712f4cf801e54b8f8c0d8f91216976b707403bd9e20 · sha256:b6a6f7e6fc42c03e… · /containers/adp/0/references/0
{"name":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7g72-39pq-4725","tags":["x_refsource_CONFIRM"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-7g72-39pq-4725"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:de45309a98366c69c6d29712f4cf801e54b8f8c0d8f91216976b707403bd9e20 · sha256:b6a6f7e6fc42c03e… · /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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