Red Hat Security Advisory: freerdp security update
Multiple heap buffer overflow and use-after-free vulnerabilities have been identified in FreeRDP, a free implementation of the Remote Desktop Protocol client. These vulnerabilities can lead to denial of service and potential code execution when connecting to malicious RDP servers. The issues affect the xfreerdp client and involve crafted RDPGFX surface updates and client-side heap buffer overflows. Red Hat has released security updates addressing these vulnerabilities in Red Hat Enterprise Linux 8.8 variants.
AI Analysis
Technical Summary
This advisory covers five security vulnerabilities in FreeRDP (CVE-2026-23530, CVE-2026-23531, CVE-2026-23532, CVE-2026-23533, and CVE-2026-23884) involving heap buffer overflows and a use-after-free condition. These flaws can be triggered by a malicious RDP server, potentially causing denial of service or arbitrary code execution on the client side. The vulnerabilities affect the xfreerdp client used to connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Red Hat has issued updated packages for affected Red Hat Enterprise Linux 8.8 variants to remediate these issues.
Potential Impact
Successful exploitation of these vulnerabilities may allow a malicious RDP server to cause a denial of service or execute arbitrary code on the client system running FreeRDP. This could compromise the confidentiality, integrity, and availability of the affected system. The vulnerabilities impact the client side of RDP connections, making users connecting to untrusted or malicious servers at risk.
Mitigation Recommendations
Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 8.8 and related update services that address these vulnerabilities. Users should apply the security update RHSA-2026:3041 promptly to remediate the issues. For detailed instructions on applying the update, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Red Hat Security Advisory: freerdp security update
Description
Multiple heap buffer overflow and use-after-free vulnerabilities have been identified in FreeRDP, a free implementation of the Remote Desktop Protocol client. These vulnerabilities can lead to denial of service and potential code execution when connecting to malicious RDP servers. The issues affect the xfreerdp client and involve crafted RDPGFX surface updates and client-side heap buffer overflows. Red Hat has released security updates addressing these vulnerabilities in Red Hat Enterprise Linux 8.8 variants.
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers five security vulnerabilities in FreeRDP (CVE-2026-23530, CVE-2026-23531, CVE-2026-23532, CVE-2026-23533, and CVE-2026-23884) involving heap buffer overflows and a use-after-free condition. These flaws can be triggered by a malicious RDP server, potentially causing denial of service or arbitrary code execution on the client side. The vulnerabilities affect the xfreerdp client used to connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Red Hat has issued updated packages for affected Red Hat Enterprise Linux 8.8 variants to remediate these issues.
Potential Impact
Successful exploitation of these vulnerabilities may allow a malicious RDP server to cause a denial of service or execute arbitrary code on the client system running FreeRDP. This could compromise the confidentiality, integrity, and availability of the affected system. The vulnerabilities impact the client side of RDP connections, making users connecting to untrusted or malicious servers at risk.
Mitigation Recommendations
Red Hat has released updated freerdp packages for Red Hat Enterprise Linux 8.8 and related update services that address these vulnerabilities. Users should apply the security update RHSA-2026:3041 promptly to remediate the issues. For detailed instructions on applying the update, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3041
- Cve Count
- 5
- Additional Cves
- ["CVE-2026-23531","CVE-2026-23532","CVE-2026-23533","CVE-2026-23884"]
- Cvss Version
- null
Threat ID: 6a27e9938dd33fbd8516ab5c
Added to database: 06/09/2026, 10:23:15 UTC
Last enriched: 06/27/2026, 23:48:35 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 66
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.