CVE-2026-109257
Last modified
CVE-2026-109257 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. FreeRDP before 3.32.0 contains a double-free vulnerability in nsc_context_initialize_encode() that leaves dangling plane pointers after a partial buffer growth failure. Attackers using a crafted RDP client can negotiate NSCodec with a large desktop geometry to trigger allocation failure, crashing the server during context teardown.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
FreeRDP before 3.32.0 contains a double-free vulnerability in nsc_context_initialize_encode() that leaves dangling plane pointers after a partial buffer growth failure. Attackers using a crafted RDP client can negotiate NSCodec with a large desktop geometry to trigger allocation failure, crashing the server during context teardown.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| FreeRDP | FreeRDP | < 3.32.0 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-109257?
How severe is CVE-2026-109257?
How do I fix CVE-2026-109257?
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-2026-109251FreeRDP before 3.32.0 stores the server-supplied signed MS-R…5.3
- CVE-2026-109252FreeRDP from 3.9.0 before 3.32.0 contains a NULL pointer der…5.3
- CVE-2026-109253FreeRDP from 3.9.0 before 3.32.0 contains an out-of-bounds r…5.3
- CVE-2026-109254FreeRDP 2.1.0 before 3.32.0 contains a use-after-free vulner…5.9
- CVE-2026-109255FreeRDP 3.0.0 before 3.32.0 contains an integer truncation v…6.8
- CVE-2026-109256FreeRDP 3.10.0 through 3.32.2 contains a heap buffer overflo…5.3
- CVE-2026-109258ImageMagick 7.1.0-20 before 7.1.2-32 contains an invalid mem…2.5
- CVE-2026-109259ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contain…5.3
- CVE-2026-10926Use after free in Cast in Google Chrome prior to 149.0.7827.…8.8
- CVE-2026-109260ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contain…3.7
- CVE-2026-109261ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contain…3.7
- CVE-2026-109262ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contain…5.3
Are you affected by CVE-2026-109257?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
