VDB
DEBIAN-CVE-2021-22945
DEBIAN-CVE-2021-22945
PUBLISHED
CVSS 9.100000381469727 CRITICAL
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*.
Risk Scores
CVSS 3.1
9.100000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | curl | 0, 7.74.0-1.3, * |
| Debian:12 | curl | 0, 0, 0 |
| Debian:14 | curl | 0, 0, 0 |
| Debian:13 | curl | 0, 0, 0 |
Exploit Intelligence
- macos_v2_generated.go (github-poc)
- glcve_test.go (github-poc)
- macos_v1_generated.go (github-poc)
Timeline
- Sep 23, 2021 CVE Published
- Apr 28, 2026 CVE Updated