CVE-2026-125394
Last modified
CVE-2026-125394 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. FreeRDP before 3.33.0 contains a heap use-after-free vulnerability in update_gdi_patblt(), update_gdi_polygon_cb() and update_gdi_mem3blt() that retain stale brush cache pointers. A malicious RDP server can resend CACHE_BRUSH to the same slot then send PATBLT, causing clients to read freed heap memory, disclosing data or crashing..
Description
FreeRDP before 3.33.0 contains a heap use-after-free vulnerability in update_gdi_patblt(), update_gdi_polygon_cb() and update_gdi_mem3blt() that retain stale brush cache pointers. A malicious RDP server can resend CACHE_BRUSH to the same slot then send PATBLT, causing clients to read freed heap memory, disclosing data or crashing.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| FreeRDP | FreeRDP | < 3.33.0 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-125394?
How severe is CVE-2026-125394?
How do I fix CVE-2026-125394?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-125389Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58…6.1
- CVE-2026-12539Docker Sandboxes (sbx) blocks ICMP egress with an authorizer…5.7
- CVE-2026-125390Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains …6.5
- CVE-2026-125391Webmin through 2.670 contains an OS command injection vulner…7.2
- CVE-2026-125392Webmin through 2.670 contains a stored cross-site scripting …5.4
- CVE-2026-125393MailEnable Enterprise Premium before 10.62 contains a heap o…6.5
- CVE-2026-125395Ampache before 8.4.0 contains a stored cross-site scripting …5.4
- CVE-2026-125396Ghostscript before 10.08.0 contains a -dSAFER bypass vulnera…7.8
- CVE-2026-125397NocoBase plugin-ai 2.1.0 through 2.2.41 contains an authoriz…7.1
- CVE-2026-125398Instatic before 0.0.21 contains an authorization bypass vuln…7.1
- CVE-2026-125399Fluxion before 6.39 contains an OS command injection vulnera…8
- CVE-2026-1254The Modula Image Gallery – Photo Grid & Video Gallery plugin…4.3
Are you affected by CVE-2026-125394?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
