FreeRDP versions before 3.31.0 contain an information disclosure vulnerability in the RDPGFX server's ResetGraphics PDU serializer that fails to initialize padding bytes in the fixed 340-byte wire format. Attackers can receive uninitialized heap memory including live pointers and GLib function addresses transmitted in the PDU, defeating heap ASLR and disclosing the GLib module base address.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-908"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91946.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"fixed": "3.31.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "483c9388119f06bac420d92053cff9ef94e83bea"
}
],
"source": "REFERENCES_COMMIT"
}
]
}