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CVE-2026-109244

FreeRDP from 2.0.0 before 3.32.0 contains an insecure permission vulnerability in winpr-makecert…

Risk score
45/100
CVSS
6.6 v3.1
Exploit chance (30 days)
0.1%
Published
12 Oct 2026

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What to know

What it is
FreeRDP from 2.0.0 before 3.32.0 contains an insecure permission vulnerability in winpr-makecert that creates unencrypted private keys without owner-only file modes. Local users on multi-user Unix hosts can read world-readable key files or open PFX files protected by the hard-coded default password to steal private ke…
Affected
Freerdp before 3.32.0
Fix
Upgrade Freerdp to 3.32.0 or later.
Exploitation
Public proof of concept

Story map

Story map: FreerdpTHE FLAWSTHE FIXCVE-2026-109244FreeRDP from 2.0.0 before3.32.0 contains an insecurepermission vulnerability in…CVSS 6.6 · EPSS 0%CVE-2026-109257Double free can lead to denialof serviceCVSS 7.5 · EPSS 0%CVE-2026-109676Use-after-free can lead todenial of serviceCVSS 8.8 · EPSS 0%CVE-2026-110838Missing authenticationCVSS 7.5 · EPSS 0%Upgrade Freerdp3.32.0or later on your release lineWho is exposedFreerdp before 3.32.0AMBER · PATCH THIS WEEKFreerdpFreeRDP before 3.32.0 containsa double-free vulnerability innsc_context_initialize_encode()that leaves dangling planepointers after a partial buffergrowth failure. Attackers usinga crafted RDP client can…Where it standsPublic proof of conceptCONNECTS TOSame weaknessCWE-732 (CWE-732)53 other warnings in 30 days →Same productEarlier Freerdp warnings53 in the last 90 days →
Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Freerdp: Amber, patch this week. FreeRDP before 3.32.0 contains a double-free vulnerability in nsc_context_initialize_encode() that leaves dangling plane pointers after a partial buffer growth failure. Attackers using a crafted RDP client can negotiate NSCodec with a large desktop geometry to trigger allocation failure, crashing the server during con…

The flaws

  • CVE-2026-109244: FreeRDP from 2.0.0 before 3.32.0 contains an insecure permission vulnerability in winpr-makecert… (CVSS 6.6 · EPSS 0%)
  • CVE-2026-109257: Double free can lead to denial of service (CVSS 7.5 · EPSS 0%)
  • CVE-2026-109676: Use-after-free can lead to denial of service (CVSS 8.8 · EPSS 0%)
  • CVE-2026-110838: Missing authentication (CVSS 7.5 · EPSS 0%)

The fix

Upgrade Freerdp: 3.32.0 or later on your release line

Who is exposed: Freerdp before 3.32.0

Where it stands

  • Public proof of concept

Connects to

Why it is Yellow

  • CVSS 6.6 medium
  • Public exploit or proof of concept referenced

References

Original description

FreeRDP from 2.0.0 before 3.32.0 contains an insecure permission vulnerability in winpr-makecert that creates unencrypted private keys without owner-only file modes. Local users on multi-user Unix hosts can read world-readable key files or open PFX files protected by the hard-coded default password to steal private keys.

Last activity 12 Oct 2026. Patch Forecast updates every hour.