CURL-CVE-2021-22945

vendorUSosv

UAF and double free in MQTT sending

view advisory published 2021-09-15Licence: per source

When sending data to an MQTT server, libcurl 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*.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2021-22945UScritical9.1—
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…
scry

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