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CVE-2026-44422

A flaw was found in FreeRDP. A malicious server can exploit a heap use-after-free or double-free vulnerability in the FreeRDP client's RDPEAR authentication-redirection path. This occurs because the RDPEAR NDR parser incorrectly handles pointer reference IDs, leading to the same heap object being assigned to multiple pointer fields. This flaw could allow a remote attacker to execute arbitrary code or cause a denial of service on the client system.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bd6c0cafed973b4b6d03d4163b956e439544c5872304248faf71ed739901210e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"freerdp","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unknown","packageName":"freerdp","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"freerdp","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"2:3.10.3-12.el10_2.6","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/0

{"product":"FreeRDP","vendor":"FreeRDP","versions":[{"status":"affected","version":"< 3.26.0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"freerdp","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"freerdp","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/3
cwe · 3 assertions

{"cweId":"CWE-416","description":"CWE-416: Use After Free","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-415","description":"CWE-415: Double Free","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-825","description":"Expired Pointer Dereference","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

6 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"freerdp","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unknown","packageName":"freerdp","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"freerdp","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"2:3.10.3-12.el10_2.6","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/0
{"product":"FreeRDP","vendor":"FreeRDP","versions":[{"status":"affected","version":"< 3.26.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"freerdp","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"freerdp","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/affected/3

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-416","description":"CWE-416: Use After Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-415","description":"CWE-415: Double Free","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-825","description":"Expired Pointer Dereference","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

7 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:36203"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/references/4
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:46393"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/references/3
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-44422"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/references/0
{"name":"RHBZ#2483467","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2483467"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/references/1
{"name":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j9q5-7g8m-jc9v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j9q5-7g8m-jc9v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-j9q5-7g8m-jc9v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/0/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44422.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f84f1f18a09c959ea813f019ebdcdd585031eab27799828727d003a4a3dd210 · sha256:e1a45ff259e8293d… · /containers/adp/1/references/2

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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