CVE-2026-67304

EUVD-2026-51848
FreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard device control request cleanup when reader-state decoding fails. Attackers can send malformed smartcard IRP requests with non-zero cReaders and truncated reader-state data to crash the process via null pointer access in free_reader_states functions.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 30.37%
Affected Products (NVD)
VendorProductVersion
freerdpfreerdp
𝑥
< 3.29.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
freerdp2
bookworm
vulnerable
freerdp3
forky
3.31.1+dfsg-1
fixed
sid
3.31.1+dfsg-1
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
freerdp
bionic
needs-triage
jammy
dne
noble
dne
resolute
dne
xenial
needs-triage
freerdp2
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
dne
freerdp3
jammy
dne
noble
Fixed 3.30.0+dfsg-0ubuntu0.24.04.1
released
resolute
Fixed 3.30.0+dfsg-0ubuntu0.26.04.1
released
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
freerdp
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
freerdp-debuginfo
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
freerdp-debugsource
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
freerdp-devel
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
freerdp-libs
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
freerdp-libs-debuginfo
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
freerdp-server
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
freerdp-server-debuginfo
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
libwinpr
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
libwinpr-debuginfo
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
libwinpr-devel
Amazon Linux 2023
2:3.6.3-1.amzn2023.0.15
fixed
Common Weakness Enumeration
References
https://github.com/FreeRDP/FreeRDP/commit/1cc783d4c78bd2f66d3a8582dfe70a663d141444
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5
https://www.vulncheck.com/advisories/freerdp-before-null-dereference-via-smartcard-cleanup
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5