Bug 2447383 (CVE-2026-31885)

Summary: CVE-2026-31885 freerdp: FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
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.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2447414, 2447416, 2447415    
Bug Blocks:    

Description OSIDB Bzimport 2026-03-13 18:04:20 UTC
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.

Comment 2 errata-xmlrpc 2026-05-11 16:15:28 UTC
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

Comment 3 errata-xmlrpc 2026-05-11 16:18:31 UTC
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

Comment 4 errata-xmlrpc 2026-05-12 23:24:41 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:16483 https://access.redhat.com/errata/RHSA-2026:16483

Comment 5 errata-xmlrpc 2026-05-12 23:24:58 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:16485 https://access.redhat.com/errata/RHSA-2026:16485

Comment 6 errata-xmlrpc 2026-05-13 00:56:57 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:16482 https://access.redhat.com/errata/RHSA-2026:16482

Comment 7 errata-xmlrpc 2026-05-13 04:38:58 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:16777 https://access.redhat.com/errata/RHSA-2026:16777

Comment 8 errata-xmlrpc 2026-05-13 05:49:45 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:16814 https://access.redhat.com/errata/RHSA-2026:16814

Comment 9 errata-xmlrpc 2026-05-13 06:38:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:16866 https://access.redhat.com/errata/RHSA-2026:16866

Comment 10 errata-xmlrpc 2026-05-13 06:48:25 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:16865 https://access.redhat.com/errata/RHSA-2026:16865