The "curl use-after-free" vulnerability (formally identified as CVE-2022-43552 ) is a critical security flaw affecting . This vulnerability occurs when curl attempts to tunnel specific protocols, like SMB or TELNET , through an HTTP proxy that denies the connection request. Understanding the Vulnerability (CVE-2022-43552)
Use winget upgrade curl or choco upgrade curl to update via package managers.
Curl Use-After-Free < 7.87 (CVE-2022-43552) - Microsoft Learn curl use-after-free 7.87 download
For developers building from source, the latest stable releases are available on the Official curl Download Page . Windows Users:
Use your distribution's package manager (e.g., sudo apt update && sudo apt install curl or sudo dnf update curl ). 2. Verifying Your Version After installation, verify the fix by running: curl --version Use code with caution. Ensure the version number displayed is 7.87.0 or higher . Related Vulnerability: CVE-2022-43551 Curl Use-After-Free For developers building from source, the
A flaw is a memory corruption bug where a program continues to use a pointer after it has been freed, potentially leading to a crash, data corruption, or execution of arbitrary code.
The vulnerability was officially patched in , released on December 21, 2022 . To secure your system, you must update to at least this version, though newer versions (like 8.x) are recommended for ongoing support. 1. Official Download Sources Verifying Your Version After installation, verify the fix
Standalone binaries can be found at FileHorse (specifically version 7.87.0) or via official [Microsoft Updates](https://learn.microsoft.com/en-us/answers/questions/1196813/curl-use-after-free-(-7-87-(cve-2022-43552)) for the "inbox" version.