CVE-2026-36611

The Mercusys AC12G (EU) V1 router, running firmware AC12G(EU)_V1_200909 , is vulnerable to an information disclosure flaw. The device returns 128 bytes of uninitialized buffer content when it receives POST requests lacking a SOAPAction header on the UPnP port 1900 . This allows unauthenticated at...

CVE-2026-26825

Libxls 1.6.3 contains a use-of-uninitialized memory vulnerability when parsing malformed XLS files. The issue is triggered by uninitialized heap memory originating from the OLE layer (ole2_read) and is reachable via xls_parseWorkBook(). MemorySanitizer can detect it; the advisory notes undefined ...

CVE-2026-48840

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...

CVE-2026-48840

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...

CVE-2026-48840

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...

EUVD-2026-33446

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...

CVE-2026-48840

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...

CVE-2026-48840

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...

CVE-2026-48840

Exim is affected: Exim 4.88 prior to 4.99.4 in certain PROXY configurations mishandles short payloads, causing disclosure of uninitialized stack memory to a client. The issue centers on the PROXY-protocol handling, enabling an information disclosure in configurations with SUPPORT_PROXY and host_p...

Exim security vulnerabilities

Exim is an open-source message transfer agent MTA developed by Exim Software, running on Unix systems. It primarily handles the routing, forwarding, and delivery of emails. Versions of Exim from 4.88 to 4.99.4 contained security vulnerabilities. These vulnerabilities stemmed from improper handlin...

CVE-2026-48840

Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client...

CVE-2025-71311

A flaw was found in the Linux kernel's fs/ntfs3 component. When new memory pages folios are allocated for the NTFS3 file system without being properly initialized, and a read operation is skipped, parts of these folios may contain uninitialized memory. This can lead to a memory corruption...

CVE-2026-46123

A flaw was found in the Linux kernel's virtio Bluetooth virtiobt driver. A malicious or faulty virtualized Bluetooth device could send a specially crafted message with an incorrect length. This could lead to the kernel reading uninitialized memory, potentially exposing sensitive information from...

CVE-2026-46151

A flaw was found in the Linux kernel's USB printer usblp driver. A malicious USB printer can exploit a heap leak vulnerability by sending a truncated device ID response. This can lead to the disclosure of up to 1021 bytes of uninitialized kernel memory, potentially exposing sensitive information ...

CVE-2026-46186

A flaw was found in the Linux kernel's virtiobt Bluetooth virtual device driver. An untrusted backend can exploit this vulnerability by sending malformed Bluetooth packets with an insufficient header length. This can cause the system to read uninitialized kernel memory, potentially leading to...

RLSA-2026:19218 Moderate: openssl security update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key CVE-2026-317...

RLSA-2026:19348 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS CVE-2026-6772 firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-6754 firefox: thunderbird: Spoofing...

AZL-88989 CVE-2026-46186 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

AZL-88815 CVE-2026-46159 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix btrfsioctlspaceinfo slotcount TOCTOU which can lead to info-leak btrfsioctlspaceinfo has a TOCTOU race between two passes over the block group RAID type lists. The first pass counts entries to determine the allocation...

AZL-88941 CVE-2026-46151 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: usb: usblp: fix heap leak in IEEE 1284 device ID via short response usblpctrlmsg collapses the usbcontrolmsg return value to 0/-errno, discarding the actual number of bytes transferred. A broken printer can complete the GETDEVICE...