Red Hat Security Advisory: freerdp security update
A security vulnerability (CVE-2026-45700) in FreeRDP's planar bitmap decoder allows an out-of-bounds write that can lead to arbitrary code execution. This affects the xfreerdp client used to connect to RDP servers. Red Hat has issued a security update for Red Hat Enterprise Linux 9 and related variants to address this issue. The vulnerability is rated as important by Red Hat Product Security. Users should apply the provided update to mitigate the risk.
AI Analysis
Technical Summary
CVE-2026-45700 is an out-of-bounds write vulnerability in the planar bitmap decoder of FreeRDP, which can lead to arbitrary code execution. This vulnerability affects the xfreerdp client used to connect to RDP servers. Red Hat Product Security has released an important security advisory (RHSA-2026:37207) providing updated FreeRDP packages that fix this issue. The advisory covers multiple Red Hat Enterprise Linux 9 variants and related builder and update services. The vulnerability is classified under CWE-787 (Out-of-bounds Write). No CVSS score is provided in the advisory, but the severity is rated as important (high).
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system via the FreeRDP client. This could lead to full compromise of the client system if exploited. The vulnerability arises from an out-of-bounds write in the planar bitmap decoder, which is part of the FreeRDP client software.
Mitigation Recommendations
Red Hat has released updated FreeRDP packages that fix this vulnerability. Users should apply the security update for FreeRDP as provided in Red Hat Enterprise Linux 9 and associated variants. Refer to the Red Hat advisory RHSA-2026:37207 and the update instructions at https://access.redhat.com/articles/11258 for detailed remediation steps. Applying the official update fully mitigates this issue.
Red Hat Security Advisory: freerdp security update
Description
A security vulnerability (CVE-2026-45700) in FreeRDP's planar bitmap decoder allows an out-of-bounds write that can lead to arbitrary code execution. This affects the xfreerdp client used to connect to RDP servers. Red Hat has issued a security update for Red Hat Enterprise Linux 9 and related variants to address this issue. The vulnerability is rated as important by Red Hat Product Security. Users should apply the provided update to mitigate the risk.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-45700 is an out-of-bounds write vulnerability in the planar bitmap decoder of FreeRDP, which can lead to arbitrary code execution. This vulnerability affects the xfreerdp client used to connect to RDP servers. Red Hat Product Security has released an important security advisory (RHSA-2026:37207) providing updated FreeRDP packages that fix this issue. The advisory covers multiple Red Hat Enterprise Linux 9 variants and related builder and update services. The vulnerability is classified under CWE-787 (Out-of-bounds Write). No CVSS score is provided in the advisory, but the severity is rated as important (high).
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system via the FreeRDP client. This could lead to full compromise of the client system if exploited. The vulnerability arises from an out-of-bounds write in the planar bitmap decoder, which is part of the FreeRDP client software.
Mitigation Recommendations
Red Hat has released updated FreeRDP packages that fix this vulnerability. Users should apply the security update for FreeRDP as provided in Red Hat Enterprise Linux 9 and associated variants. Refer to the Red Hat advisory RHSA-2026:37207 and the update instructions at https://access.redhat.com/articles/11258 for detailed remediation steps. Applying the official update fully mitigates this issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:37207
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a50ba8668715ace435817f0
Added to database: 07/10/2026, 09:25:26 UTC
Last enriched: 07/10/2026, 10:04:14 UTC
Last updated: 07/10/2026, 19:47:32 UTC
Views: 3
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