Curl Arbitrary File Write 8.2.0 Download Verified May 2026

This vulnerability involved a in how curl handled file saving. In specific multi-user environments, a local attacker could potentially exploit this race condition to overwrite sensitive files that the user (or a privileged process) intended to save using curl.

Even though version 8.2.0 fixed the "arbitrary file write" concern, it remained vulnerable to more severe subsequent flaws, notably (Heap Buffer Overflow via HTTP headers) and the highly publicized CVE-2023-38545 (SOCKS5 Heap Buffer Overflow). Vulnerability Type Affected Versions (inc. 8.2.0) CVE-2023-38039 Medium/High Denial of Service (Heap exhaustion) 7.84.0 to 8.2.1 CVE-2023-38545 Heap Buffer Overflow (RCE potential) 7.69.0 to 8.3.0 How to Upgrade and Download curl arbitrary file write 8.2.0 download

: The issue was formally addressed in curl 8.2.0 , which was released on July 19, 2023 . This vulnerability involved a in how curl handled

If you are running curl 8.2.0, you are significantly out of date and vulnerable to remote code execution (RCE) via the SOCKS5 proxy flaw. HTTP headers eat all memory - CVE-2023-38039 - curl Vulnerability Type Affected Versions (inc

: Interestingly, the curl security team later retracted this as a security flaw, noting that it was a behavior inherent to saving files in shared directories that users should avoid, rather than a bug fixable within curl's core code. Why 8.2.0 Users Should Still Upgrade

: libcurl 7.84.0 up to and including 8.1.2 .