A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.
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MITRE
Status: PUBLISHED
Assigner: hackerone
Published: 2023-02-09T00:00:00
Updated: 2024-08-03T13:32:59.678Z
Reserved: 2022-10-20T00:00:00
Link: CVE-2022-43552
Vulnrichment
Updated: 2024-08-03T13:32:59.678Z
NVD
Status : Analyzed
Published: 2023-02-09T20:15:10.950
Modified: 2024-03-27T14:55:09.493
Link: CVE-2022-43552
Redhat