Описание
By default, curl automatically responds to WebSocket PING frames. Because curl lacks an upper bound on memory allocation for unacknowledged frames, a malicious server can exhaust all available memory by flooding curl with rapid, sequential PING messages.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| curl | fixed | 8.21.0~rc3-1 | package | |
| curl | not-affected | trixie | package | |
| curl | not-affected | bookworm | package | |
| curl | not-affected | bullseye | package |
Примечания
https://curl.se/docs/CVE-2026-11586.html
Introduced with: https://github.com/curl/curl/commit/0b091328773c64e23f5c4739da74527093c6a5ab (curl-8_16_0)
Fixed by: https://github.com/curl/curl/commit/849317ff5c5a5e13f50ec3d001e46ddffa77d8a4 (rc-8_21_0-3, curl-8_21_0)
EPSS
Связанные уязвимости
By default, curl automatically responds to WebSocket PING frames. Because curl lacks an upper bound on memory allocation for unacknowledged frames, a malicious server can exhaust all available memory by flooding curl with rapid, sequential PING messages.
By default, curl automatically responds to WebSocket PING frames. Because curl lacks an upper bound on memory allocation for unacknowledged frames, a malicious server can exhaust all available memory by flooding curl with rapid, sequential PING messages.
By default, curl automatically responds to WebSocket PING frames. Because curl lacks an upper bound on memory allocation for unacknowledged frames, a malicious server can exhaust all available memory by flooding curl with rapid, sequential PING messages.
By default, curl automatically responds to WebSocket PING frames. Because curl lacks an upper bound on memory allocation for unacknowledged frames, a malicious server can exhaust all available memory by flooding curl with rapid, sequential PING messages.
Уязвимость компонента WebSocket библиотеки libcurl программного средства для взаимодействия с серверами cURL, позволяющая нарушителю вызвать отказ в обслуживании
EPSS