CVE-2026-81520 MongoDB Connector for BI Unbounded Authentication Negotiation Leading to Connection Exhaustion

A network-reachable client that has not yet authenticated can hold a MongoDB Connector for BI authentication session open indefinitely by beginning a SASL-based login exchange and then declining to complete it. Because the negotiation loop had no overall time bound and the read from the client ha...

CVE-2026-81520

MongoDB Connector for BI is vulnerable to a denial-of-service condition caused by an unbounded SASL authentication negotiation loop . A network-reachable, unauthenticated client can initiate a SASL-based login exchange and then decline to complete it. Because the negotiation loop had no overall t...

MongoDB Connector for BI Unbounded Authentication Negotiation Leading to Connection Exhaustion

A network-reachable client that has not yet authenticated can hold a MongoDB Connector for BI authentication session open indefinitely by beginning a SASL-based login exchange and then declining to complete it. Because the negotiation loop had no overall time bound and the read from the client ha...

curl: IMAP connection reuse runs requests in the wrong case-sensitive mailbox

When libcurl reuses an authenticated IMAP connection, lib/imap.c:2071-2089 uses curlstrequal to decide whether the requested mailbox is already selected. RFC 9051 section 5.1 requires clients to work with servers where non-INBOX mailbox names are case-sensitive, while only INBOX is guaranteed to ...

EUVD-2026-67820

Gitingest through 0.3.1 fails to properly validate hostnames in validatehost, accepting any host with a git., gitlab., or github. prefix regardless of known-hosts list membership. Attackers can submit URLs with attacker-controlled hostnames to trigger outbound connections to arbitrary hosts and...

[SECURITY] Fedora 44 Update: pyOpenSSL-26.4.0-2.fc44

High-level wrapper around a subset of the OpenSSL library, includes among oth ers SSL.Connection objects, wrapping the methods of Python's portable sockets Callbacks written in Python Extensive error-handling mechanism, mirroring OpenSSL's error codes...

CVE-2026-52687

An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression state requires a large amount of memory, and open several such connections. The memory limit of the process is reached with only a few connections, terminating the process and all...

CVE-2026-33605

An unauthenticated attacker can crash the ManageSieve login process by sending a small malformed command before authenticating. If running in high-security mode default for community releases, only the attacker's own connection is terminated. If running in high-performance mode default for Pro...

CVE-2026-33263

This vulnerability affects the submission-login process in OX Dovecot. When the mail_max_userip_connections limit (default 10) is reached, an epoll() panic triggered by file descriptor handling issues can crash the process. In high-security mode (default for community releases), only the new conn...

CVE-2026-33263

When mailmaxuseripconnections is set default 10 and reached, submission-login can crash with epoll panic caused by file descriptor handling issues. If running in high-security mode default for community releases, only the new submission connection gets terminated. If running in high-performance...

CVE-2026-33263

When mailmaxuseripconnections is set default 10 and reached, submission-login can crash with epoll panic caused by file descriptor handling issues. If running in high-security mode default for community releases, only the new submission connection gets terminated. If running in high-performance...

EUVD-2026-67658

When mailmaxuseripconnections is set default 10 and reached, submission-login can crash with epoll panic caused by file descriptor handling issues. If running in high-security mode default for community releases, only the new submission connection gets terminated. If running in high-performance...

CVE-2026-33263

When mailmaxuseripconnections is set default 10 and reached, submission-login can crash with epoll panic caused by file descriptor handling issues. If running in high-security mode default for community releases, only the new submission connection gets terminated. If running in high-performance...

CVE-2026-33263

When mailmaxuseripconnections is set default 10 and reached, submission-login can crash with epoll panic caused by file descriptor handling issues. If running in high-security mode default for community releases, only the new submission connection gets terminated. If running in high-performance...

CVE-2026-80692

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold conn in hciconnectacl/lesync callbacks There is theoretical UAF if the conn is freed while the hcisync task is running. Hold refcount to avoid that...

EUVD-2026-67350

A server-side request forgery SSRF vulnerability WatchGuard Dimension Remote Backup Connection Test configuration allows an authenticated privileged attacker to enumerate exposed network services on adjacent network systems...

CVE-2026-78495

A server-side request forgery SSRF vulnerability WatchGuard Dimension Remote Backup Connection Test configuration allows an authenticated privileged attacker to enumerate exposed network services on adjacent network systems...

PT-2026-83312

Gitingest through 0.3.1 fails to properly validate hostnames in validate host, accepting any host with a git., gitlab., or github. prefix regardless of known-hosts list membership. Attackers can submit URLs with attacker-controlled hostnames to trigger outbound connections to arbitrary hosts and...

CVE-2026-78495: Server-Side Request Forgery (SSRF)

A server-side request forgery SSRF vulnerability WatchGuard Dimension Remote Backup Connection Test configuration allows an authenticated privileged attacker to enumerate exposed network services on adjacent network systems...

PaperCut MF < 24.1.9.76515 / 25.x < 25.0.12.76509 / 26.x < 26.0.4.76507 Multiple Vulnerabilities

The version of PaperCut MF installed on the remote Windows host is prior to 24.1.9.76515 or 25.x prior to 25.0.12.76509, or 26.x prior to 26.0.4.76507. It is, therefore, affected by the following vulnerabilities: - An authentication bypass vulnerability exists in the web management interface due ...