curl: Logical Flaw in curl_url_set Leads to Inconsistent Query Parameter Encoding

Hello curl security team, First, thank you for your incredible work on maintaining such a critical and robust piece of software. We have been conducting a deep-dive source code audit of libcurl and believe we have identified a subtle logical flaw in the curlurlset API that has security...

curl:curl_fuzzer_scp: Heap-buffer-overflow in seturl

Project: https://github.com/curl/curl.git Detailed Report: https://oss-fuzz.com/testcase?key=5662228513161216 Project: curl Fuzzing Engine: afl Fuzz Target: curlfuzzerscp Job Type: aflasancurl Platform Id: linux Crash Type: Heap-buffer-overflow READ Crash Address: 0x6040000021b4 Crash State: setu...

OSV-2021-1758 Heap-buffer-overflow in seturl

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42892 Crash type: Heap-buffer-overflow READ Crash state: seturl parseurl curlurlset...

OSV-2021-1747 Heap-buffer-overflow in seturl

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42808 Crash type: Heap-buffer-overflow READ 16 Crash state: seturl parseurl curlurlset...

OSV-2021-1730 Heap-buffer-overflow in seturl

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42708 Crash type: Heap-buffer-overflow READ Crash state: seturl parseurl curlurlset...

curl: Integer overflows in curl_url_set() function

An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1...

curl:curl_fuzzer_http: Heap-use-after-free in seturl

Project: https://github.com/curl/curl.git Detailed Report: https://oss-fuzz.com/testcase?key=5168359280214016 Project: curl Fuzzing Engine: libFuzzer Fuzz Target: curlfuzzerhttp Job Type: libfuzzerasancurl Platform Id: linux Crash Type: Heap-use-after-free READ 1 Crash Address: 0x60300002cfbb Cra...

libcurl Integer Overflow DoS

The vulnerability in the curlurlset function of the libcurl library is related to a potential overflow condition. Exploiting this vulnerability could allow an attacker to compromise the accessibility of protected information...