CVE-2026-95115 Details
Description
Buffer Overflow vulnerability in libwebsockets main 106d542c allows a remote attacker to cause a denial of service via the LEJP JSON parser
A buffer overflow vulnerability has been identified in libwebsockets version main 106d542c. This vulnerability allows remote attackers to cause a denial-of-service by exploiting the LEJP JSON parser. The issue arises from deeply nested arrays or objects that exhaust the fixed 64-entry index stack. The LEJP parser's off-by-one bounds check is performed after the write operation, leading to an out-of-bounds write that corrupts adjacent memory and causes deterministic memory corruption.
Users can update to libwebsockets version 4.3.2 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 13, 2026CISA-ADP
Assessed Oct 14, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/warmcat/libwebsockets/issues/3663 | CISA-ADP | Issue TrackingTechnical DescriptionVendor |
| https://gist.github.com/1820893135-pixel/d4246b2ecc927193ea1fad50810e9901 | [email protected] | Technical Description |
| https://github.com/warmcat/libwebsockets/commit/736a4a26fce344766bc6618df87bf32193829dd0 | [email protected] | Source CodeVendor |
| https://github.com/warmcat/libwebsockets/commit/c404a205a98323a7f60e69fae532c5d26bf4a62a | [email protected] | Source CodeVendor |
| https://github.com/warmcat/libwebsockets/issues/3663 | [email protected] | Issue TrackingTechnical DescriptionVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| libwebsockets | 106d542c7 |
CPE
Remediation | |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 14, 2026 | CVE Modified | CISA-ADP |
| Oct 13, 2026 | New CVE Received | [email protected] |