Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: curl: curl-8.20.0-2.hum1 aarch64, x8664 libcurl-8.20.0-2.hum1 aarch64, x8664 libcurl-devel-8.20.0-2.hum1 aarch64, x8664 libcurl-minimal-8.20.0-2.hum1 aarch64, x8664 curl-8.20.0-2.hum1.src src...

curl: curl --skip-existing has a TOCTOU race that lets a post-check symlink redirect the later download write

Summary: The curl CLI's --skip-existing option performs a separate existence check before the download body is written. In the verified path, curl first calls stat on the target pathname and decides "the file does not exist, so continue", but it does not keep an fd bound to that decision. The...

SUSE SLES15 Security Update : curl (SUSE-SU-2026:1940-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1940-1 advisory. Security issues fixed: - CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. - CVE-2026-5545: wrong reuse of HTTP...

Photon OS 4.0: Curl PHSA-2026-4.0-1020

An update of the curl package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-4.0-1020. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Security Bulletin: curl vulnerability

Summary Prior versions of Classic Remote Capture may include this curl vulnerability. Vulnerability Details CVEID:CVE-2025-9086 DESCRIPTION: 1. A cookie is set using the secure keyword for https://target 2. curl is redirected to or otherwise made to speak with http://target same hostname, but...

Security update for curl

This update for curl fixes the following issues: Security issues fixed: CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. CVE-2026-5545: wrong reuse of HTTP Negotiate connection bsc1262632. CVE-2026-6253: proxy credentials leak over redirect-to proxy bsc1262635. CVE-2026-6276:...

SUSE-SU-2026:1940-1 Security update for curl

This update for curl fixes the following issues: Security issues fixed: - CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. - CVE-2026-5545: wrong reuse of HTTP Negotiate connection bsc1262632. - CVE-2026-6253: proxy credentials leak over redirect-to proxy bsc1262635. -...

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...