Security & Threat Intelligence · 24.08.2026, 22:01 UTC
ZDI-26-590: libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
| Schweregrad | critical |
|---|---|
| CVSS | 9.8 |
| CVE | ↗ |
| Kategorie | Security & Threat Intelligence |
| Quelle | Zero Day Initiative ↗ |
| Veröffentlicht | 24.08.2026 UTC |
Sicherheitsmeldung mit Schweregrad kritisch (CVSS 9.8). Betroffene Kennungen: CVE-2026-19773. Technische Details im Tab „Originaltext“; empfohlene Schritte in der Checkliste.
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.
Maßnahmen
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