CVE-2023-38545-libcurl-SOCKS5-heap-buffer-overflow

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CVE-2026-92392

CVE-2026-92392 curl/libcurl exposure checker and POC cve202692392check.py assesses local curl and libcurl artifacts for CVE-2026-92392, an HTTP/2 upload use-after-free in curl/libcurl. It supports passive local inventory, supplied-banner assessment, non-executing mounted-image scanning, and a...

thetick

The Tick A simple embedded Linux backdoor. The Tick Compiling Installing Usage Media Compiling The Tick depends only on libcurl, so make sure you have the corresponding development package. For example on Debian based distributions you would do the following: sudo apt-get install libcurl-dev Once...

thc-BloodMiami

thc-BloodMiami AI chat-box pentesting tool, written in C. Fires language SQL/NoSQL/XSS/SSTI and prompt injection payloads at a chat interface and flags the ones that bite — DB error strings, reflected script markers, model jailbreak signals. Fast, threaded, libcurl based. What it does Language...

cve-2021-42013

CVE-2021-42013 C implementation of the infamous Apache 2.4.50 exploit Compiling $ gcc cve-2021-42013.c -lcurl -o cve-2021-42013 Using $ ./cve-2021-42013 Example...

xzf

Introduction xzf is a simple PoC demonstrating how EXIF data can be used for command and control. xzf GETs an image from a predetermined URL, then reads the software tag for an authentication string. If the string matches, xzf will execute anything contained within the ImageDescription tag. Usage...

CVE-2026-33752

CVE-2026-33752 CVE-2026-33752Redirect-based SSRF leading to internal network access in curlcffi Summary curlcffi does not restrict requests to internal IP ranges, and follows redirects automatically via the underlying libcurl. Because of this, an attacker-controlled URL can redirect requests to...

external_curl_AOSP10_r33_CVE-2021-22924

| | | | | | / | | | | | | | | | || | | | |/|| \| README Curl is a command line tool for transferring data specified with URL syntax. Find out how to use curl by reading the curl.1 man page or the MANUAL document. Find out how to install Curl by reading the INSTALL document. libcurl is the...

CVE-2026-8932-PoC

CVE-2026-8932 PoC Proof-of-concept reproduction of CVE-2026-8932 , an incomplete mTLS configuration matching issue in libcurl connection reuse. Overview CVE-2026-8932 affects libcurl's connection reuse logic when mutual TLS mTLS configuration changes between requests. Under vulnerable conditions,...

CVE-2023-44487

Please note that the above code uses the libcurl library for making HTTP requests. You need to install libcurl and link against it when compiling the code. The code is a simplified version, and you may need to adjust it based on your exact requirements and the specific behavior of the HTTP/2 atta...

curl: libcurl: Information disclosure due to cookie leak when reusing connections with custom Host headers

A flaw was found in libcurl. This vulnerability allows for information disclosure when a custom Host: header is used in an initial HTTP request, and a subsequent request reuses the same connection without specifying a new Host: header. This can lead to libcurl incorrectly sending cookies intended...

Low: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 10.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

CVE-2026-22019-libcurl-HTTP-2-CONNECT-Tunnel-Mixup

CVE-2026-22019 – libcurl HTTP/2 CONNECT Tunnel Mixup Program Code C simulation // curlhttp2tunnelmixup.c - Simulated libcurl handling CONNECT over HTTP/2 include void handlehttp2streamint streamid // Vulnerability: after CONNECT, the proxy mixes streams with the tunneled data if streamid == 0...

curl: libcurl: Credential leak via reused proxy connection during HTTP redirects

A flaw was found in libcurl. When configured to use a .netrc file for credentials and follow HTTP redirects, libcurl can inadvertently send the password from the initial connection to the redirected host. This sensitive information disclosure occurs when both the original and redirect URLs use...

Moderate: Red Hat Security Advisory: curl security update

An update for curl is now available for Red Hat Enterprise Linux 9.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for eac...

curl: libcurl: Authentication bypass due to incorrect HTTP Negotiate connection reuse

A flaw was found in libcurl. An application using libcurl that performs an authenticated HTTPS request after a Negotiate-authenticated one to the same host may incorrectly reuse the previous connection. This authentication bypass vulnerability allows the second request to be sent over a connectio...

curl: libcurl: Information disclosure via incorrect Proxy-Authorization header reuse

A flaw was found in libcurl. When a user performs a transfer over an HTTP proxy using Digest authentication and then reuses the same handle for a second transfer with a different proxy host, libcurl incorrectly sends the Proxy-Authorization header intended for the first proxy to the second proxy...

Important: curl

Issue Overview: When libcurl uses libssh2 with a hashed knownhosts file, an unrelated initial entry can cause host key validation to report a key mismatch as a missing key to the CURLOPTSSHKEYFUNCTION callback. CVE-2026-87865 Affected Packages: curl Note: This advisory is applicable to Amazon Lin...

CVE-2026-8932

🚨 CVE-2026-8932 - The Oldest libcurl Security Bug Incomplete mTLS Configuration Matching in libcurl The oldest security vulnerability ever fixed in libcurl—remaining unnoticed for over 25 years. 📖 Overview CVE-2026-8932 is a security vulnerability in libcurl where the library may incorrectly reus...

Rocky Linux 10.2 [CIQ] Security Update: curl / curl-debuginfo / curl-debugsource / libcurl / etc (crlsa-2026_96092)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202696092 advisory. curl: curl: HTTP/2 upload Use-After-Free CVE-2026-92392 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that...