curl: libcurl: Improper certificate validation due to cached TLS settings reuse

A flaw was found in libcurl. When handling secure connections TLS and reusing connection settings, libcurl could incorrectly apply a cached security setting related to certificate chain validation. This could allow libcurl to accept a server's security certificate that it should have otherwise...

curl: Information disclosure due to uncleared proxy authentication state

A flaw was found in libcurl. When reusing a libcurl handle for sequential transfers with environment-variable proxy configuration, the library does not properly clear the proxy authentication state. This oversight can lead to the unintended disclosure of Proxy-Authorization headers to an incorrec...

ALSA-2026:55432 Important: 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: Information disclosure due to uncleared proxy authentication state CVE-2026-8927 For more details about the security...

RHEL 10 : curl (RHSA-2026:55432)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:55432 advisory. The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP,...

DEBIAN-CVE-2026-74468

In the Linux kernel, the following vulnerability has been resolved: gpio: pch: use rawspinlockt for the register lock pchirqtype is registered as the irqchip .irqsettype callback and takes chip-spinlock with spinlockirqsave. This callback is reached from setupirq - irqsettrigger - chip-irqsettype...

DEBIAN-CVE-2026-72263

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: topology: fix memory leak in sndsofloadtopology When the topology filename contains "dummy" and tplgcnt is 0, the function returns -EINVAL directly without freeing the tplgfiles allocated by kcalloc at line 2497. This...

DEBIAN-CVE-2026-72259

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8192: Release reserved memory on cleanup The MT8192 AFE probe calls ofreservedmemdeviceinit and falls back to preallocated buffers when no reserved memory region is available. When the reserved memory assignment...

DEBIAN-CVE-2026-72053

In the Linux kernel, the following vulnerability has been resolved: net: ipip: require CAPNETADMIN in the device netns for changelink ipipchangelink operates on at most two netns, devnetdev and the tunnel link netns t-net. They differ once the device is created in or moved to a netns other than t...

K000162915: libcurl vulnerability CVE-2026-10536

Security Advisory Description A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via CURLOPTSTREAMDEPENDS or CURLOPTSTREAMDEPENDSE, subsequently invokes curleasyreset, and finally terminates the handle with curleasycleanup. During this...

K000162914: libcurl vulnerability CVE-2026-8926

Security Advisory Description When asking curl to use a .netrc file to find credentials and at the same time specifying a URL with a username without a password, like https://[email protected]/, curl could wrongly get and use the password for another user set in the .netrc file for that host if su...

DEBIAN-CVE-2026-53784

rsync before 3.5.0 contains a path traversal vulnerability that allows remote clients to access files outside the intended module root when use chroot is disabled and the module root path or a component of it is a symlink. The daemon calls chdir to the module root at session initialization withou...

K000162881: libcurl vulnerability CVE-2026-9547

Security Advisory Description When a libcurl-based application performs transfers via SCP:// or SFTP:// and utilizes the CURLOPTSSHKEYFUNCTION callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific ke...

Security Bulletin:Vulnerability in libcurl affects IBM Netezza Appliance

Summary The libcurl package is used by IBM Netezza Appliance. IBM Netezza Appliance has addressed the applicable CVE CVE-2026-7168 Vulnerability Details CVEID:CVE-2026-7168 DESCRIPTION: Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and th...

DEBIAN-CVE-2026-68130

In the Linux kernel, the following vulnerability has been resolved: ksmbd: defer destroyprevioussession until after NTLM authentication In ntlmauthenticate, destroyprevioussession is called using a user pointer resolved from the client-supplied NTLM blob username field before the NTLMv2 response ...

JLSEC-2026-1217 libcurl would reuse a previously created connection even when some mTLS config related option had...

libcurl would reuse a previously created connection even when some mTLS config related option had been changed that should have prohibited reuse. libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. However, some TLS...

JLSEC-2026-1222 When a libcurl-based application performs transfers via `SCP://` or `SFTP://` and utilizes the ...

When a libcurl-based application performs transfers via SCP:// or SFTP:// and utilizes the CURLOPTSSHKEYFUNCTION callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific key type already recorded for th...

JLSEC-2026-1204 libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated...

libcurl might in some circumstances reuse the wrong connection when asked to do an authenticated HTTPS request after a Negotiate-authenticated one, when both use the same host. libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid...

JLSEC-2026-1212 libcurl might in some circumstances reuse the wrong connection when asked to do Negotiate...

libcurl might in some circumstances reuse the wrong connection when asked to do Negotiate-authenticated ones, even when they are set to use different 'services'. libcurl features a pool of recent connections so that subsequent requests can reuse an existing connection to avoid overhead. When...

JLSEC-2026-1197 A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream...

A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via CURLOPTSTREAMDEPENDS or CURLOPTSTREAMDEPENDSE, subsequently invokes curleasyreset, and finally terminates the handle with curleasycleanup. During this final cleanup phase, libcurl...

JLSEC-2026-1208 When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, libcurl...

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...