CVE-2026-93801 smb/client: zero-initialize stack-allocated cifs_open_info_data

In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifsopeninfodata Stack-allocated cifsopeninfodata may contain random data. This can make some fields have wrong value if they are not set later...

openssl: openssl: Information Disclosure from Uninitialized Memory via Invalid RSA Public Key

A flaw was found in openssl. Applications that use RSASVE key encapsulation, a method for securely exchanging encryption keys, may inadvertently expose sensitive data. This vulnerability arises when an application processes a malicious, invalid RSA public key provided by an attacker without prope...

Security Bulletin: IBM InfoSphere Optim Archive Viewer is affected by an uninitialized memory disclosure vulnerability in ws (CVE-2026-45736)

Summary An uninitialized memory disclosure vulnerability in the ws WebSocket library CVE-2026-45736 used by IBM InfoSphere Optim Archive Viewer has been addressed by upgrading the component to version 8.21.1. Vulnerability Details CVEID:CVE-2026-45736 DESCRIPTION: ws is an open source WebSocket...

kernel: block: zero non-PI portion of auto integrity buffer

An information disclosure vulnerability was found in the Linux kernel's block layer integrity handling. When auto-generating integrity buffers for writes with protection information PI enabled, the non-PI portion of the metadata buffer is left uninitialized if the metadata size exceeds the PI tup...

kernel: block: zero non-PI portion of auto integrity buffer

An information disclosure vulnerability was found in the Linux kernel's block layer integrity handling. When auto-generating integrity buffers for writes with protection information PI enabled, the non-PI portion of the metadata buffer is left uninitialized if the metadata size exceeds the PI tup...

thunderbird: Uninitialized memory in MIME parsing

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used...

PT-2026-104922

In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifs open info data Stack-allocated cifs open info data may contain random data. This can make some fields have wrong value if they are not set later...

PT-2026-97905

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the s390/vfio-ap component where the DECLARE BITMAPapm filtered, AP DEVICES macro allocates a bitmap on the stack without zero-initializing it. In the vfio ap mdev hot...

CVE-2026-93238

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix potential use of uninitialized apmfiltered bitmap The DECLAREBITMAPapmfiltered, APDEVICES macro allocates the bitmap on the stack without zero-initializing it. In vfioapmdevhotplugcfg, the vfioapmdevfiltermatrix...

CVE-2026-54634

A flaw was found in Hamlib, a library for controlling ham radio equipment. A remote, unauthenticated attacker could exploit a vulnerability in the rigctld sendraw command. This flaw involves writing data beyond the intended memory boundary stack out-of-bounds write, which could cause the daemon t...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: httpd (UTSA-2026-090460)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-090460 advisory. In Apache HTTP Server 2.4.0 to 2.4.41, modproxyftp may use uninitialized memory when proxying to a malicious FTP server. Tenable has extracted the preceding...

OESA-2026-3986 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: sctp: validate STALECOOKIE cause length before reading staleness When an ERROR chunk with a STALECOOKIE cause is received in the COOKIEECHOED state,...

SUSE CVE-2026-90221

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fix use of uninitialized memory in COREINITRSP parsing ncicoreinitrsppacketv1 and ncicoreinitrsppacketv2 parse the COREINITRSP packet without validating that the skb contains enough data. A malformed response e.g...

Linux Distros Unpatched Vulnerability : CVE-2026-90428

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/tegra241-cmdqv: Don't run the error ISR before probe sets up vintfs tegra241cmdqvprobe requests the error IRQ before it has allocated the cmdqv-vintfs arr...

Linux Distros Unpatched Vulnerability : CVE-2026-90221

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfc: nci: fix use of uninitialized memory in COREINITRSP parsing ncicoreinitrsppacketv1 and ncicoreinitrsppacketv2 parse the COREINITRSP packet without validati...

CVE-2026-54634 Hamlib: rigctld `send_raw` Stack Out-of-Bounds Write and Uninitialized Memory Disclosure

Hamlib is a ham radio control library for radios, rotators, and amplifiers. Prior to 4.7.2, the unauthenticated rigctld sendraw command on TCP port 4532 reaches rigctlsendraw in tests/rigctlparse.c, which writes a NUL byte at bufbuflen + 1 outside its 200-byte stack buffer, and rigsendraw in...

CVE-2026-54604 OpenSlide: openslide_read_region() returns uninitialized memory with libtiff 4.7.1

OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and openslidetiffreadtile to request a full-height destination for a partial bottom tile row, allowing uninitialized...

CVE-2026-54604 OpenSlide: openslide_read_region() returns uninitialized memory with libtiff 4.7.1

OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and openslidetiffreadtile to request a full-height destination for a partial bottom tile row, allowing uninitialized...

EUVD-2026-82437

OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and openslidetiffreadtile to request a full-height destination for a partial bottom tile row, allowing uninitialized...

CVE-2026-54604

Prior to 4.0.1 , OpenSlide is affected by a bug where a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c to request a full-height destination for a partial bottom tile row, allowing uninitialized heap memory to enter pixel data returned by opensli...