CVE-2021-22945
CRITICAL9.1EPSS 0.35%發布日:2021/9/23修改日:2026/4/28
描述
When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.
受影響套件(2)
- Alpine/curlfrom 0, < 7.79.0-r0
- Debian/curlfrom 0, < 7.74.0-1.3+deb11u2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |