CVE Explorer

CVE-2026-23948

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability is fixed in 3.22.0.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:18b7f70da23800865fb6e04a31735c6432a058587551f284bc95d25173992451

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"FreeRDP","vendor":"FreeRDP","versions":[{"status":"affected","version":"< 3.22.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:06b4c7822989bfd5d987504230b5b8519ba8c6d072c370bfcfc757951af801bb · sha256:2b3aee32a747f991… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:06b4c7822989bfd5d987504230b5b8519ba8c6d072c370bfcfc757951af801bb · sha256:2b3aee32a747f991… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:06b4c7822989bfd5d987504230b5b8519ba8c6d072c370bfcfc757951af801bb · sha256:2b3aee32a747f991… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860","tags":["x_refsource_MISC"],"url":"https://github.com/FreeRDP/FreeRDP/commit/4d44e3c097656a8b9ec696353647b0888ca45860"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:06b4c7822989bfd5d987504230b5b8519ba8c6d072c370bfcfc757951af801bb · sha256:2b3aee32a747f991… · /containers/cna/references/1

{"name":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6f3c-qvqq-2px5"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:06b4c7822989bfd5d987504230b5b8519ba8c6d072c370bfcfc757951af801bb · sha256:2b3aee32a747f991… · /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.

← Back to CVE Explorer