PT-2026-44736

The mistralai PyPI package version 2.4.6 contains a malicious dropper that executes on import on Linux. No v2.4.6 tag, commit, or release workflow run exists in this repository, the legitimate latest version before the upload was 2.4.5, and the upload bypassed this repository's normal release...

curl: CRLF Injection via Custom HTTP Headers

Summary: libcurl writes user-supplied custom headers directly into the HTTP request buffer without stripping \r\n characters. The raw input pointer origp in Curladdcustomheaders lib/http.c is serialized verbatim into the outgoing request using curlxdynaddfreq, "%s\r\n", origp instead of using the...

curl: Connection reuse ignores haproxyprotocol and HAPROXY_CLIENT_IP settings, allowing PROXY context to persist across transfers

Summary: libcurl's connection pool match logic does not include the CURLOPTHAPROXYPROTOCOL setting or the CURLOPTHAPROXYCLIENTIP value in its connection match key. Two transfers issued through the same Curleasy or via a shared connection cache CURLLOCKDATACONNECT therefore share one TCP connectio...

curl: SSL session-cache peer key omits signature_algorithms: strict-sigalg handle silently resumes a permissive sibling's session

CURLOPTSSLSIGNATUREALGORITHMS policy bypass: SSL session cache key omits sigalgs, allowing a strict-sigalg handle to resume a session negotiated under a permissive policy AI disclosure This report was prepared with the assistance of an AI coding assistant Claude. The behavioral diff pre/post patc...

CLSA-2026-1778890582 curl: Fix of CVE-2026-5545

CVE-2026-5545: wrong reuse of HTTP Negotiate connection; only allow an existing connection to be reused and "upgraded" to NTLM when neither NTLM nor Negotiate authentication is in flight on it...

CLSA-2026-1778889816 curl: Fix of CVE-2026-5545

CVE-2026-5545: wrong reuse of HTTP Negotiate connection; only allow an existing connection to be reused and "upgraded" to NTLM when neither NTLM nor Negotiate authentication is in flight on it...

Amazon Linux 2023 : curl, curl-minimal, libcurl (ALAS2023-2026-1699)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1699 advisory. When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory. CVE-2026-3805 Tenable has extracted the preceding description block...

Moderate Photon OS Security Update - PHSA-2026-4.0-1020

Updates of 'curl' packages of Photon OS have been released...

Exploit for CVE-2025-9074

🐚 docker-shell A lightweight, dependency-free bash script tha...

SUSE CVE-2025-5265

Due to insufficient escaping of the ampersand character in the "Copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.. Th...

Medium: curl

Issue Overview: When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory. CVE-2026-3805 Affected Packages: curl Issue Correction: Run dnf update curl --releasever 2023.11.20260514 or dnf update --advisory ALAS2023-2026-1699...

Malicious code in ethers-signing-key (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector b6735be7311be4f6b4f609762cfb77504fe141bc9d8d5b5c0a75d521119aa2fa The package's npm postinstall hook executes a one-liner that uses childprocess.exec to curl/wget an unpinned Python script from a personal user's...

CLSA-2026-1778786567 curl: Fix of 2 CVEs

CVE-2018-1000120: fix buffer overflow exists in the FTP URL handling - CVE-2018-1000007: fix leak authentication data to third parties in HTTP requests...

curl: NULL pointer dereference in libcurl URL API redirect_url() with CURLU_DEFAULT_SCHEME

Summary A NULL pointer dereference appears to exist in libcurl's URL API path when curlurlset handles a relative URL together with CURLUDEFAULTSCHEME on a CURLU handle that has host/path information but no stored u-scheme. The issue is in lib/urlapi.c inside redirecturl, where u-scheme is used in...

[R2] Tenable Network Monitor 6.5.4 Fixes Multiple Vulnerabilities

R2 Tenable Network Monitor 6.5.4 Fixes Multiple Vulnerabilities Jason Schavel Thu, 05/14/2026 - 13:00 Tenable Network Monitor leverages third-party software to help provide underlying functionality. Several of the third-party components OpenSSL, curl, sqlite3, handlebars, expat, and dpdk were fou...

WS-2019-0567

curl in versions curl-7340 to curl-7653 is vulnerable to Use-of-uninitialized-value in smtpstateehloresp, related to lib/smtp.c...

WS-2018-0652

curl in versions curl-7400 to curl-7630 is vulnerable to UNKNOWN READ related to lib/url.c...

WS-2018-0646

curl 7.21.0 through 7.57.0 is vulnerable to an heap-buffer-overflow in loop on lib/curlfnmatch.c...

EUVD-2026-29930

When asked to both use a .netrc file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the followed-to host under certain circumstances...

curl: TLS peer-verification bypass via mid-transfer ssl_config mutation

Hi all, We want to report a TLS peer-verification issue on current master. The trigger is narrow and requires a specific application usage pattern, but when it fires, a transfer that requests CURLOPTSSLVERIFYPEER=1 can reuse a TLS connection that was established with peer verification disabled...