This vulnerability allows remote attackers to execute arbitrary code on affected installations of libwebsockets. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 9.8. The following CVEs are assigned: CVE-2026-19773.
ZDI-26-590: libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Kurzinfo
Metadaten
- Original (extern): Link oeffnen
- Veroeffentlicht: 2026-08-24 05:00 UTC
- Importiert: 2026-10-21 17:34 UTC
- CVSS: 9.8
- Quelle-ID:
zdi_pub - uid_hash:
e5ea9fd224cab3e12e2ab41df7bcab89f88832464e07686aa7e9ba004f203d85
Inhalt
Verknuepfte CVEs
| CVE-ID | Severity (Quelle) | CVSS (Quelle) | Severity (CVE.org) | CVSS (CVE.org) | EPSS | EPSS-Pctl | Veroeffentlicht (CVE.org) |
|---|---|---|---|---|---|---|---|
CRITICAL |
9.8 |
CRITICAL |
9.8 |
2026-09-15 |
Quellen-Details
| Bezeichnung | Name | Kategorie | Tags | Zielgruppe | Sprache | Feed-URL |
|---|---|---|---|---|---|---|
| Zero Day Initiative (Published) | threat_intel | - | de | https://www.zerodayinitiative.com/rss/published/ |