The vulnerability of the WebSocket component in the libcurl library of the cURL software, which allows attackers to induce a service failure.
🗓️ 25 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 11 Views
| Reporter | Title | Published | Views | Family All 50 |
|---|---|---|---|---|
 | Security Bulletin: Multiple vulnerabilities in IBM Observability with Instana (OnPrem) | 27 Aug 202617:53 | – | ibm |
| Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image | 2 Sep 202612:36 | – | ibm |
 | CVE-2026-11586 | 3 Jul 202606:13 | – | attackerkb |
 | CVE-2026-11586 | 3 Jul 202606:13 | – | alpinelinux |
 | CVE-2026-11586 vulnerabilities | 29 Jul 202602:16 | – | cgr |
 | CVE-2026-11586 | 3 Jul 202621:32 | – | circl |
 | WS Auto-PONG memory exhaustion | 24 Jun 202608:00 | – | curl |
 | Curl 8.16.0 < 8.21.0 WebSocket Auto-PONG Memory Exhaustion | 26 Jun 202600:00 | – | nessus |
| Fedora 44 : curl (2026-2f88b83676) | 26 Aug 202600:00 | – | nessus |
| libcurl 8.16.0 < 8.21.0 WebSocket Auto-PONG Memory Exhaustion (CVE-2026-11586) | 10 Jul 202600:00 | – | nessus |
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25 Jun 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 22.6
CVSS 33.1
EPSS0.00609