FreeRDP: FreeRDP: Information Disclosure via RDPGFX ResetGraphics PDU
cve CVE-2026-91946 2 sources, 2 claims · Watch
- Severity
- MEDIUM NVDmoderate Red Hat
- CVSS
- 6.5 NVD6.5 Red Hat
- Fixed in
- 3.31.0 NVD
- Vendor
- FreeRDP NVD
- Product
- FreeRDP NVD
- CWE
- CWE-908 NVDCWE-824 Red Hat
How far exploitation has got
- No public code known
- Proof of concept
- Proof of concept, verified
- A Metasploit module
- Exploited in the wild
- Used in ransomware campaigns
Timeline
| 2026-09-15 | first spoke of it: 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. | NVD |
| 2026-09-15 | first spoke of it: FreeRDP: FreeRDP: Information Disclosure via RDPGFX ResetGraphics PDU | Red Hat |
What it is to other things
| affects | freerdp/freerdp NVD |
| made_by | freerdp NVD |
Every value, with what each source said and its receipt
| Property | Source | Said | Means here | ||||
|---|---|---|---|---|---|---|---|
| Automatable automatable | NVD | no At least one of those steps needs a person. receipt
What the source handed over{
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} | — | ||||
| CVSS cvss | NVD | 6.5receipt
What the source handed over{
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| CVSS cvss | Red Hat | 6.5receipt
What the source handed over{
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"advisories": [
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"severity": "moderate"
} | — | ||||
| Cvss4 cvss4 | NVD | 7.1receipt
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| Cvss4 vector cvss4_vector | NVD | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xreceipt
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| CVSS vector cvss_vector | Red Hat | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nreceipt
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} | — | ||||
| CWE cwe different words | NVD | CWE-908receipt
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| CWE cwe different words | Red Hat | CWE-824receipt
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} | — | ||||
| Exploitation exploitation | NVD | poc A public proof of concept exists, or exploitation is trivial. receipt
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| Fixed in fixed_in | NVD | 3.31.0receipt
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| Packages packages | Red Hat | freerdp-2:3.10.3-12.el10_2.14receipt
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| Technical impact technical_impact | NVD | partial The attacker gains limited control, or limited information. receipt
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| Vendor vendor | NVD | FreeRDPreceipt
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} | — |
Every claim, by kind
vulnerability
| FreeRDP: FreeRDP: Information Disclosure via RDPGFX ResetGraphics PDU zetlyn/cve-redhat · 2026-09-15 | cvss 6.5 cvss_vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N cwe CWE-824 packages freerdp-2:3.10.3-12.el10_2.14 severity moderate | source |
| 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. zetlyn/cve-nvd · 2026-09-15 | automatable no cvss 6.5 cvss4 7.1 cvss4_vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X cvss_vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N cwe CWE-908 exploitation poc fixed_in 3.31.0 product FreeRDP severity MEDIUM status Analyzed technical_impact partial vendor FreeRDP | source |