EUVD-2026-85425

A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message...

CVE-2026-88830

A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message. Mitigation Do not use the BusyBox sslserver applet in production environments. Use a well-maintained TLS implementation such...

CVE-2026-69219

A flaw was found in the RabbitMQ Java client library. A malicious AMQP Advanced Message Queuing Protocol peer can exploit this by sending a specially crafted message during the pre-authentication phase. This message can cause the client to allocate an excessively large amount of memory, leading t...

Exploit for Static Code Injection in N-Able N-Central

CVE-2026-86218 - N-able N-central Pre-Auth RCE Exploit Ove...

CVE-2026-88830: Incorrect Calculation of Buffer Size

A unit confusion in BusyBox TLS Montgomery reduction buffer allocation causes a pre-authentication heap buffer overflow when processing a crafted ClientKeyExchange message...

jboss-remoting: jboss-remoting: integer overflow in MessageReader leads to pre-authentication denial of service

A flaw was found in EAP's jboss-remoting. A remote unauthenticated attacker who can reach :8080 or :9990, or :4447 and complete an Upgrade: jboss-remoting handshake can cause OOM errors that degrade requests server-wide, leading to denial of service...

SUSE-SU-2026:23880-1 Security update for glib2

This update for glib2 fixes the following issue: - CVE-2026-15588: GDBusServer pre-authentication DoS via unbounded SASL line buffering bsc1272206...

Apache Kerby: org.apache.kerby/kerb-server: Apache Kerby: Kerberos pre-authentication bypass via unrecognized PA-DATA

A flaw was found in Apache Kerby. An attacker can bypass the Kerberos pre-authentication check by sending a Pre-Authentication Data PA-DATA packet with an unrecognized or unsupported type. This vulnerability allows an attacker to circumvent the initial authentication step, potentially leading to...

VulnCheck KEV: CVE-2026-48842

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuserquery plugin via a pregreplace backslash escape bypass...

CLEANSTART-2026-YD02167 pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service

Security vulnerability affects the wildfly package. A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service...

CVE-2026-90413 IB/isert: reject login PDUs declaring more data than was received

In the Linux kernel, the following vulnerability has been resolved: IB/isert: reject login PDUs declaring more data than was received isertloginrecvdone records how many bytes the HCA actually placed in the login buffer, but nothing compares that against the length the login PDU's BHS declares...

CVE-2026-90413 IB/isert: reject login PDUs declaring more data than was received

In the Linux kernel, the following vulnerability has been resolved: IB/isert: reject login PDUs declaring more data than was received isertloginrecvdone records how many bytes the HCA actually placed in the login buffer, but nothing compares that against the length the login PDU's BHS declares...

CVE-2026-92240 Out-of-bounds read in IMAP response parser

A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged ' ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156, Thunderbird 140.16, and...

CVE-2026-92240

Mozilla Thunderbird is vulnerable to an out-of-bounds read in its IMAP response parser. A malicious or compromised IMAP server can trigger this by sending an untagged ' ID' * response, which results in an application crash. The affected parsing path is reachable before authentication . Remediatio...

EUVD-2026-79244

A malicious or compromised IMAP server can trigger an out-of-bounds read in the IMAP response parser by sending an untagged ' ID' response, crashing Thunderbird. The affected parsing path is reachable before authentication. This vulnerability was fixed in Thunderbird 156 and Thunderbird 140.16...

CVE-2026-91953

A flaw was found in FreeRDP. A malicious RDP Remote Desktop Protocol server or a man-in-the-middle attacker could exploit a heap buffer overflow vulnerability during connection negotiation, prior to authentication. By sending a specially crafted Server Redirection PDU Protocol Data Unit with an...

DEBIAN-CVE-2026-91953

FreeRDP versions before 3.31.0 contain a heap buffer overflow vulnerability in negosendnegotiationrequest that fails to validate the LBLOADBALANCEINFO field length before writing to a fixed 512-byte buffer. A malicious RDP server or man-in-the-middle can send a Server Redirection PDU with an...

CVE-2026-91953 FreeRDP before 3.31.0 Heap Buffer Overflow via LB_LOAD_BALANCE_INFO

FreeRDP versions before 3.31.0 contain a heap buffer overflow vulnerability in negosendnegotiationrequest that fails to validate the LBLOADBALANCEINFO field length before writing to a fixed 512-byte buffer. A malicious RDP server or man-in-the-middle can send a Server Redirection PDU with an...

EUVD-2026-78810

FreeRDP versions before 3.31.0 contain a heap buffer overflow vulnerability in negosendnegotiationrequest that fails to validate the LBLOADBALANCEINFO field length before writing to a fixed 512-byte buffer. A malicious RDP server or man-in-the-middle can send a Server Redirection PDU with an...

CVE-2026-62379

Open Access Management OpenAM is an access management solution. Prior to 16.1.2, the pre-authentication /authservice PLL endpoint accepts a CustomCallback XML element whose className value selects an arbitrary Java class for AuthXMLUtils to load and instantiate without verifying that it implement...