CVE-2026-31885
published 2026-03-13CVE-2026-31885: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to…
PriorityP347critical9.4CVSS 3.1
AVNACLPRNUINSUCHILAH
EPSS
0.27%
19.6th percentile
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | freerdp2 | < freerdp3 3.24.0+dfsg-1 (forky) | freerdp3 3.24.0+dfsg-1 (forky) |
| debian | freerdp3 | < freerdp3 3.24.0+dfsg-1 (forky) | freerdp3 3.24.0+dfsg-1 (forky) |
| freerdp | freerdp | < 3.24.0 | 3.24.0 |
| ubuntu | freerdp3 | — | — |
CVSS provenance
nvdv3.19.4CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
osv9.4CRITICAL
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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OSV
CVE-2026-31885: FreeRDP is a free implementation of the Remote Desktop Protocol
osv·2026-03-13·CVSS 9.4
CVE-2026-31885 [CRITICAL] CVE-2026-31885: FreeRDP is a free implementation of the Remote Desktop Protocol
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.
Ubuntu
FreeRDP vulnerabilities
vendor_ubuntu·2026-07-20
CVE-2026-33995 FreeRDP vulnerabilities
Title: FreeRDP vulnerabilities
Summary: Several security issues were fixed in FreeRDP.
It was discovered that FreeRDP contained multiple security issues. An
attacker could possibly use these issues to obtain sensitive information,
cause FreeRDP to crash, resulting in a denial of service, or execute
arbitrary code.
Instructions: This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.
Red Hat
freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
vendor_redhat·2026-03-13·CVSS 6.5
CVE-2026-31885 [MEDIUM] CWE-125 freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.
An out of bounds read flaw has been discovered in FreeRDP. This out-of-bounds read exists in the MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. An attacker may be able to leverage this weakness to leak global data.
Mitigation: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of u
Debian
CVE-2026-31885: freerdp2 - FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0...
vendor_debian·2026·CVSS 6.5
CVE-2026-31885 [MEDIUM] CVE-2026-31885: freerdp2 - FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0...
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.
Scope: local
bookworm: open
bullseye: open
No detection rules found.
No public exploits indexed.
Wiz
CVE-2026-31885 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.5
CVE-2026-31885 [MEDIUM] CVE-2026-31885 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-31885 :
NixOS vulnerability analysis and mitigation
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.
Source : NVD
## 9.4
Score
Published March 13, 2026
Severity CRITICAL
CNA Score 6.5
Affected Technologies
NixOS
Wolfi
Has Public Exploit Yes
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 10
Exploitation Probability (EPSS) N/A
Affected packages and libraries
libwinpr-debuginfo
freerdp3
Sources
NVD
Alpine 3.10, 3.11, 3.12, 3.13, 3.14, 3.15, 3.16, 3.17, 3.18, 3.19, 3.20, 3.21, 3.22 Severity
Bugzilla
CVE-2026-31885 freerdp2: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks [epel-all]
bugzilla·2026-03-13·CVSS 9.4
CVE-2026-31885 [CRITICAL] CVE-2026-31885 freerdp2: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks [epel-all]
CVE-2026-31885 freerdp2: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Discussion:
FEDORA-EPEL-2026-1c4570b861 (freerdp2-2.11.7-7.el10_4) has been submitted as an update to Fedora EPEL 10.4.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-1c4570b861
---
FEDORA-EPEL-2026-aa30a19f4c has been pushed to the Fedora EPEL 10.3 testing repository.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-aa30a19f4c
See also https://fedoraproject.org/w
Bugzilla
CVE-2026-31885 freerdp2: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks [fedora-all]
bugzilla·2026-03-13·CVSS 9.4
CVE-2026-31885 [CRITICAL] CVE-2026-31885 freerdp2: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks [fedora-all]
CVE-2026-31885 freerdp2: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Discussion:
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.
Bugzilla
CVE-2026-31885 freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
bugzilla·2026-03-13·CVSS 9.4
CVE-2026-31885 [CRITICAL] CVE-2026-31885 freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
CVE-2026-31885 freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.
Discussion:
This issue has been addressed in the following products:
Red Hat Enterprise Linux 10
Via RHSA-2026:16014 https://access.redhat.com/errata/RHSA-2026:16014
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2026:16019 https://access.redhat.com/errata/RHSA-2026:16019
2026-03-13
Published