CVE-2025-11680
Unknown
Unknown - Not Provided
BaseFortify
Vulnerability report for CVE-2025-11680, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2025-10-20
Last updated on: 2025-10-21
Assigner: Nozomi Networks Inc.
Description
Description
Out-of-bounds Write in unfilter_scanline in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a crafted PNG file with a big width value that causes an integer overflow which value is used for determining the size of a heap allocation.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| warmcat | libwebsockets | 4.4.2 |
| warmcat | libwebsockets | 4.1 |
| warmcat | libwebsockets | 4.3.6 |
| warmcat | libwebsockets | 4.2 |
| warmcat | libwebsockets | 4.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
