Red Hat Security Advisory: freerdp security update
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: FreeRDP heap-use-after-free (CVE-2026-22856) * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22854) * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22852) * freerdp: FreeRDP: Denial of Service via FastGlyph parsing buffer overflow (CVE-2026-23732) * freerdp: FreeRDP: Denial of Service via use-after-free in AUDIN format renegotiation (CVE-2026-24676) * freerdp: FreeRDP has a heap-use-after-free in video_timer (CVE-2026-24491) * freerdp: FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2() (CVE-2026-23948) * freerdp: FreeRDP has a Heap-use-after-free in play_thread (CVE-2026-24684) * freerdp: FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb (CVE-2026-24681) * freerdp: FreeRDP has a Heap-buffer-overflow in audio_formats_free (CVE-2026-24682) * freerdp: FreeRDP has a heap-use-after-free in ainput_send_input_event (CVE-2026-24683) * freerdp: FreeRDP has a heap-buffer-overflow in urb_select_interface (CVE-2026-24679) * freerdp: FreeRDP has a Heap-use-after-free in urb_select_interface (CVE-2026-24675) * freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages (CVE-2026-31806) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This advisory covers multiple security vulnerabilities in FreeRDP, including heap-use-after-free (CVE-2026-22856, CVE-2026-24675, CVE-2026-24681, CVE-2026-24683, CVE-2026-24684, CVE-2026-24491), heap-buffer-overflow (CVE-2026-22852, CVE-2026-22854, CVE-2026-24679, CVE-2026-24682), denial of service via buffer overflow and use-after-free (CVE-2026-23732, CVE-2026-24676), NULL pointer dereference (CVE-2026-23948), and arbitrary code execution via crafted RDP server messages (CVE-2026-31806). These vulnerabilities affect the FreeRDP client implementation used in Red Hat Enterprise Linux 10 and related CodeReady Linux Builder products. Red Hat has released security updates to address these issues, as detailed in advisory RHSA-2026:6799. The update packages include freerdp-3.10.3-5.el10_1.5 and related components. The vulnerabilities pose risks including denial of service, potential code execution, and memory corruption.
Potential Impact
The vulnerabilities collectively allow for potential denial of service conditions, memory corruption through heap-use-after-free and heap-buffer-overflow bugs, NULL pointer dereference, and arbitrary code execution via maliciously crafted RDP server messages. Exploitation could lead to crashes or compromise of the client system running FreeRDP. The advisory rates the security impact as Important (high severity). No known exploits in the wild have been reported at the time of this advisory.
Mitigation Recommendations
Red Hat has released official security updates for FreeRDP in Red Hat Enterprise Linux 10 and associated CodeReady Linux Builder 10 products. Users should apply the updated packages (freerdp-3.10.3-5.el10_1.5 and related) as provided in advisory RHSA-2026:6799 to remediate these vulnerabilities. Refer to https://access.redhat.com/articles/11258 for detailed update instructions. No additional mitigations are specified beyond applying the official patches.
Red Hat Security Advisory: freerdp security update
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: FreeRDP heap-use-after-free (CVE-2026-22856) * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22854) * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22852) * freerdp: FreeRDP: Denial of Service via FastGlyph parsing buffer overflow (CVE-2026-23732) * freerdp: FreeRDP: Denial of Service via use-after-free in AUDIN format renegotiation (CVE-2026-24676) * freerdp: FreeRDP has a heap-use-after-free in video_timer (CVE-2026-24491) * freerdp: FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2() (CVE-2026-23948) * freerdp: FreeRDP has a Heap-use-after-free in play_thread (CVE-2026-24684) * freerdp: FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb (CVE-2026-24681) * freerdp: FreeRDP has a Heap-buffer-overflow in audio_formats_free (CVE-2026-24682) * freerdp: FreeRDP has a heap-use-after-free in ainput_send_input_event (CVE-2026-24683) * freerdp: FreeRDP has a heap-buffer-overflow in urb_select_interface (CVE-2026-24679) * freerdp: FreeRDP has a Heap-use-after-free in urb_select_interface (CVE-2026-24675) * freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages (CVE-2026-31806) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers multiple security vulnerabilities in FreeRDP, including heap-use-after-free (CVE-2026-22856, CVE-2026-24675, CVE-2026-24681, CVE-2026-24683, CVE-2026-24684, CVE-2026-24491), heap-buffer-overflow (CVE-2026-22852, CVE-2026-22854, CVE-2026-24679, CVE-2026-24682), denial of service via buffer overflow and use-after-free (CVE-2026-23732, CVE-2026-24676), NULL pointer dereference (CVE-2026-23948), and arbitrary code execution via crafted RDP server messages (CVE-2026-31806). These vulnerabilities affect the FreeRDP client implementation used in Red Hat Enterprise Linux 10 and related CodeReady Linux Builder products. Red Hat has released security updates to address these issues, as detailed in advisory RHSA-2026:6799. The update packages include freerdp-3.10.3-5.el10_1.5 and related components. The vulnerabilities pose risks including denial of service, potential code execution, and memory corruption.
Potential Impact
The vulnerabilities collectively allow for potential denial of service conditions, memory corruption through heap-use-after-free and heap-buffer-overflow bugs, NULL pointer dereference, and arbitrary code execution via maliciously crafted RDP server messages. Exploitation could lead to crashes or compromise of the client system running FreeRDP. The advisory rates the security impact as Important (high severity). No known exploits in the wild have been reported at the time of this advisory.
Mitigation Recommendations
Red Hat has released official security updates for FreeRDP in Red Hat Enterprise Linux 10 and associated CodeReady Linux Builder 10 products. Users should apply the updated packages (freerdp-3.10.3-5.el10_1.5 and related) as provided in advisory RHSA-2026:6799 to remediate these vulnerabilities. Refer to https://access.redhat.com/articles/11258 for detailed update instructions. No additional mitigations are specified beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:6799
- Cve Count
- 14
- Additional Cves
- ["CVE-2026-22854","CVE-2026-22856","CVE-2026-23732","CVE-2026-23948","CVE-2026-24491","CVE-2026-24675","CVE-2026-24676","CVE-2026-24679","CVE-2026-24681","CVE-2026-24682","CVE-2026-24683","CVE-2026-24684","CVE-2026-31806"]
- Cvss Version
- null
Threat ID: 6a27e9928dd33fbd851699f9
Added to database: 06/09/2026, 10:23:14 UTC
Last enriched: 06/25/2026, 23:08:15 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 93
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