CVE-2021-22945 (GCVE-0-2021-22945)

Vulnerability from cvelistv5 – Published: 2021-09-23 00:00 – Updated: 2025-06-09 14:47
VLAI?
Summary
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*.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a https://github.com/curl/curl Affected: curl 7.73.0 to and including 7.78.0
Show details on NVD website
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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