Known vulnerabilities in libwebsockets

Software: libwebsockets
Software CPE: cpe:2.3:a:libwebsockets.org:libwebsockets:*:*:*:*:*:*:*:*
Total vulnerabilities: 5
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 8.7

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting libwebsockets libwebsockets is affected by 5 known vulnerabilities: 2 high, 3 medium Critical High Medium Low

Vulnerabilities (5)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU117948 - Stack-based buffer overflow
CVE-2025-11678
CWE-121 High
No
No
- 03.11.2025 SB2025110358
SB2025110362
SB2025120969
and 1 more
#VU117947 - Use After Free
CVE-2025-11677
CWE-416 Medium
No
No
- 03.11.2025 SB2025110358
SB2025110362
SB2026021228
#VU117946 - Out-of-bounds read
CVE-2025-11679
CWE-125 Medium
No
No
- 03.11.2025 SB2025110358
#VU117945 - Out-of-bounds write
CVE-2025-11680
CWE-787 High
No
No
- 03.11.2025 SB2025110358
#VU117944 - Memory corruption
CVE-2025-1866
CWE-119 Medium
No
No
4.3.5, 4.4.0 03.11.2025 SB2025110357