CVE-2026-121386
7.5, highFreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's winpr_read_png_from_buffer() and winpr_convert_from_jpeg(),…
- CVSS
- 7.5, high high CVSS v3.1
- EPSS, next 30 days
- n/a
- Exploitation
- No public evidence
- Published
- 3 Nov 2026yesterday
Description
FreeRDP before 3.32.2 contains a denial of service vulnerability in WinPR's winpr_read_png_from_buffer() and winpr_convert_from_jpeg(), which lack libpng/libjpeg error handling. A malicious RDP server or MITM can offer a malformed PNG or truncated JPEG clipboard payload, causing the client to abort or exit.
Details
- Vendor
- FreeRDP
- Product
- FreeRDP
- Weakness
- CWE-248 (opens in a new tab)
- Status
- Analyzed
- Updated
- 3 Nov 2026
- Assigner
- disclosure@vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References 2
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Other FreeRDP CVEs
Every FreeRDP CVE we holdSame vendor in what we hold, not a known link between the flaws.
- CVE-2026-114045 FreeRDP Heap-based Buffer Overflow Vulnerability EPSS 0.6% 8.8, high
- CVE-2026-111880 FreeRDP Out-of-Bounds Write Vulnerability EPSS 0.3% 7.4, high
- CVE-2026-111881 FreeRDP Integer Underflow Vulnerability EPSS 0.2% 7.6, high
- CVE-2026-111378 FreeRDP Uncontrolled Resource Consumption Vulnerability EPSS 0.5% 7.5, high
- CVE-2026-111379 FreeRDP Heap-based Buffer Overflow Vulnerability EPSS 0.2% 7.3, high
- CVE-2026-111380 FreeRDP Integer Overflow Vulnerability EPSS 0.3% 8.8, high
- CVE-2026-111381 FreeRDP Heap-based Buffer Overflow Vulnerability EPSS 0.2% 7.3, high
- CVE-2026-111382 FreeRDP Out-of-Bounds Write Vulnerability EPSS 0.4% 8.8, high
Beyond this page
Is CVE-2026-121386 in your network?
This page tells you how dangerous CVE-2026-121386 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.
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EXYS7600 OCELOT
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Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 4 Nov 2026, not the live upstream state.