cve-2018-15473

CVE-2018-15473 OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c. Install You may need t...

[SECURITY] Fedora 43 Update: python-wsgidav-4.3.5-1.fc43

A generic and extendable WebDAV server written in Python and based on WSGI. Main features: =E2=80=A2 WsgiDAV is a stand-alone WebDAV server with SSL support, that can be installed and run as Python command line script. =E2=80=A2 The python-pam library is needed as extra requirement if pam-login...

CVE-2026-68743

A flaw was found in SSSD. The extractauthtokv1 function in the PAM responder does not validate the authtokenlength field against the remaining buffer size before processing. A local attacker can exploit this via a crafted protocol v1 request to the PAM responder socket, causing an out-of-bounds...

EUVD-2026-52865

A flaw was found in SSSD. The extractauthtokv1 function in the PAM responder does not validate the authtokenlength field against the remaining buffer size before processing. A local attacker can exploit this via a crafted protocol v1 request to the PAM responder socket, causing an out-of-bounds...

OPENSUSE-SU-2026:21507-1 Security update for sssd

This update for sssd fixes the following issue: - CVE-2026-12610: cancelled or completed PAM request while the asynchronous child process is still running can lead to a use-after-free bsc1269807...

SUSE-SU-2026:3368-1 Security update for sssd

This update for sssd fixes the following issue: - CVE-2026-12610: cancelled or completed PAM request while the asynchronous child process is still running can lead to a use-after-free bsc1269807...

[SECURITY] Fedora 43 Update: pam-1.7.1-5.fc43

PAM Pluggable Authentication Modules is a system security tool that allows system administrators to set authentication policy without having to recompile programs that handle authentication...

CVE-2026-12504 Loytec LINX firmware: Improper Authentication in PAM configuration

Improper Authentication CWE-287 in the PAM configuration in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a local attacker to authenticate as a uid=0 account without a password and obtain a root shell via an /etc/passwd entry with an emp...

USN-8601-1: PAM vulnerability

It was discovered that PAM had a timing discrepancy in the pamuserdb module when comparing plaintext passwords. An attacker could possibly use this issue to obtain sensitive information by measuring response-timing differences during repeated authentication attempts...

CVE-2026-15637

Improper authorization in the PAM SSH key and certificate retrieval endpoints in Devolutions Server 2026.2.11, 2026.1.22 allows an authenticated low-privileged user to disclose the private key of an SSH key or certificate PAM credential via a direct object reference to the credential identifier...

USN-8476-1 xrdp vulnerabilities

It was discovered that xrdp incorrectly handled bounds checking when processing user domain information during the connection sequence. An unauthenticated remote attacker could use this issue to cause xrdp to crash, resulting in a denial of service, or possibly execute arbitrary code...

CVE-2026-54411 Linux-PAM pam_userdb Observable Timing Discrepancy in Plaintext Password Comparison

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...

CVE-2026-54411

Linux-PAM up to 1.7.2 is affected by a timing side-channel in the pam_userdb plaintext-password comparison path (modules/pam_userdb/pam_userdb.c). When configured with crypt=none, an unrecognized crypt method, or without a crypt= argument, credentials are stored/compared in plaintext. The compari...

EulerOS 2.0 SP11 : util-linux (EulerOS-SA-2026-2231)

According to the versions of the util-linux packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in util-linux. Improper hostname canonicalization in the login1 utility, when invoked with the -h option, can modify the...

CVE-2026-44073

A flaw was found in Netatalk. A remote attacker with low privileges could exploit a vulnerability where the seteuid system call failure is ignored within authentication modules. This oversight may allow the attacker to perform unauthorized actions, leading to a low impact on confidentiality,...

CVE-2026-44073

Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid, which may allow a remote authenticated attacker to retain elevated privileges under error conditions...

CVE-2026-44073 seteuid failure ignored in auth modules

Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid, which may allow a remote authenticated attacker to retain elevated privileges under error conditions...

CVE-2026-44073

Netatalk 1.5.0–4.4.2 contains a vulnerability where seteuid() return values were not checked in authentication modules, potentially allowing a remote authenticated attacker to retain elevated privileges under error conditions. The issue is fixed in Netatalk 4.5.0. Impact is described as elevation...

New Linux PamDOORa Backdoor Uses PAM Modules to Steal SSH Credentials

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that's being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called "darkworm." The backdoor is designed as a Pluggable Authentication Module PAM-based post-exploitation toolkit...

CVE-2026-6245

A flaw was found in the System Security Services Daemon SSSD. The pampasskeychildreaddata function within the PAM passkey responder fails to properly handle raw bytes received from a pipe. Because the data is treated as a NUL-terminated C string without explicit termination, it results in an...