210 matches found
CVE-2026-8927
When reusing a libcurl handle for sequential transfers driven by environment-variable proxy configuration, libcurl fails to clear the proxy authentication state between requests. Specifically, if the initial transfer authenticates against proxyA using Digest auth, a subsequent transfer routed...
CVE-2026-9546
A vulnerability in libcurl caused the HTTP Referer: header to persist even when explicitly cleared. While the documentation states that passing NULL to CURLOPTREFERER suppresses the header, the option failed to clear the internal state. As a result the previous referrer string was erroneously...
sending old referer
A vulnerability in libcurl caused the HTTP Referer: header to persist even when explicitly cleared. While the documentation states that passing NULL to CURLOPTREFERER suppresses the header, the option failed to clear the internal state. As a result, the previous referrer string was erroneously...
CURL-CVE-2026-9080 UAF after pause in socket callback
Calling curleasypause within the event-based CURLMOPTSOCKETFUNCTION callback triggers a use-after-free vulnerability, where libcurl attempts to store a flag using a dangling struct pointer immediately after that pointer's memory has been freed...
Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to multiple Operator package issues
Summary IBM Watson Speech Services Cartridge is vulnerable to multiple Operator package issues. We have performed updates to the Operators used by our Speech Services. The following vulnerabilities have been addressed in this update. Please read the details for remediation below. Vulnerability...
CVE-2026-7168
Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...
Unity Linux 20.1060e / 20.1070e Security Update: curl (UTSA-2026-017594)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017594 advisory. libcurl-using applications can ask for a specific client certificate to be used in a transfer. This is done with the CURLOPTSSLCERT option --cert with the command li...
The vulnerability of the libcurl library in software tools for interacting with servers via cURL allows a hacker to induce a service failure.
The vulnerability of the libcurl library in software applications for interacting with servers via cURL is related to improper verification of certificate authenticity. Exploiting this vulnerability can allow an attacker to cause service failures...
The vulnerability of the libcurl library in software tools for interacting with servers via cURL allows attackers to compromise the confidentiality of protected information.
The vulnerability of the libcurl library in software applications for interacting with servers via cURL is related to improper verification of certificate authenticity. Exploiting this vulnerability allows an attacker to compromise the confidentiality of the protected information...
RLSA-2026:1350 Moderate: curl security update
The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP. Security Fixes: curl: libcurl: Curl out of bounds read for cookie path CVE-2025-9086 For more details about the security issues, including...
Moderate: Red Hat Security Advisory: curl security update
An update for curl is now available for Red Hat Enterprise Linux 10.0 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 ea...
curl: libcurl: Improper Authentication State Management on Cross-Protocol Redirects
Following the recent advisory for CVE-2025-14524, I conducted an investigation into how libcurl manages OAuth2 credentials during complex redirect chains. I have confirmed that while the library successfully protects traditional user credentials, it fails to clear OAuth2 Bearer tokens in the same...
CVE-2025-15079 libssh global known_hosts override
When doing SSH-based transfers using either SCP or SFTP, and setting the knownhosts file, libcurl could still mistakenly accept connecting to hosts not present in the specified file if they were added as recognized in the libssh global knownhosts file...
curl security update
An update is available for curl. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The curl packages provide the libcurl library and the curl utility for downloadi...
Siemens SIMATIC S7-1500 Use After Free (CVE-2020-8231)
Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if...
Siemens SIMATIC S7-1500 Exposure of Sensitive Information to an Unauthorized Actor (CVE-2020-8169)
The libcurl library versions 7.62.0 to and including 7.70.0 are vulnerable to an information disclosure vulnerability that can lead to a partial password being leaked over the network and to the DNS servers. This plugin only works with Tenable.ot. Please visit...
curl: libcurl FTP path normalization flaw allows decoded %2e%2e → CWD .. and directory escape (Path Traversal, CWE-22)
ftpparseurlpath in lib/ftp.c URL-decodes FTP path segments e.g. %2e%2e and then splits the decoded path into components using an ad-hoc loop that skips empty components produced by //. The code does not perform canonical path normalization no stack-based handling of . or ... As a result, encoded...
EUVD-2018-1777
Malware in sbrugna...