CVE-2026-11979

A flaw was found in libxml2, specifically within the xmlcatalog utility when operating in shell mode. An attacker can exploit multiple stack-based buffer overflows by providing an excessively long input line. This leads to memory corruption, which may cause the application to crash or potentially...

SUSE CVE-2026-48042

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, destructor of JSON Object results in stack overflow when deeply O100K nested objects are present. This vulnerability is fixed in 1.35.11, 1.36.7, 1.37.3, and 1.38.1...

PT-2026-55063

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, destructor of JSON Object results in stack overflow when deeply O100K nested objects are present. This vulnerability is fixed in 1.35.11, 1.36.7, 1.37.3, and 1.38.1...

Linux Distros Unpatched Vulnerability : CVE-2026-55693

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Vim is an open source, command line text editor. Prior to 9.2.0653, the treecountwords function in src/spellfile.c fills in the word-count fields of a spell-fil...

SUSE SLES12 Security Update : opensc (SUSE-SU-2026:2678-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2678-1 advisory. This update for opensc fixes the following issues - CVE-2025-49010: stack-buffer-overflow via crafted smart card or USB device responses...

PT-2026-53915

Name of the Vulnerable Software and Affected Versions OpenAPI.NET versions 2.0.0-preview11 through 2.7.4 OpenAPI.NET versions 3.0.0 through 3.5.3 Description An issue in the parsing of OpenAPI documents can lead to process termination due to a stack overflow when a document contains a circular...

FreeBSD-SA-26:47.linux

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:47.linux Security Advisory The FreeBSD Project Topic: Kernel stack disclosure in Linux compatibility layer Category: core Module: linux4 Announced: 2026-06-3...

Linux Distros Unpatched Vulnerability : CVE-2026-13757

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in p11-kit. The RPC message attribute parsing functions p11rpcmessagegetattribute and p11rpcmessagegetattributearrayvalue form a...

FreeBSD-kernel -- Kernel stack disclosure in 32-bit compatibility support

Problem Description: The compat32 kevent handler translates a 64-bit kevent struct into a stack- declared 32-bit struct. It did not first zero the stack struct. Impact: An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information...

Linux Distros Unpatched Vulnerability : CVE-2026-13573

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was found in llvm llvm-project up to 22.1.6. This affects the function llvm::StringMap::insert in the library /lib/IR/ValueSymbolTable.cpp of th...

FreeBSD-SA-26:48.compat32

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:48.compat32 Security Advisory The FreeBSD Project Topic: Kernel stack disclosure in 32-bit compatibility support Category: core Module: kernel compat32...

Linux Distros Unpatched Vulnerability : CVE-2026-56766

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and...

PT-2026-53951

Name of the Vulnerable Software and Affected Versions IBM WebSphere Extreme Scale versions 8.6.1.0 through 8.6.1.6 Description Improper validation in the XDF decoder allows an adjacent attacker to cause a denial of service. The application processes deeply nested Protocol Buffers messages and...

FreeBSD -- Kernel stack disclosure in Linux compatibility layer

Problem Description: The Linux waitid implementation translates a FreeBSD siginfot struct into a stack-declared Linux siginfot. It did not first zero the stack struct. Impact: An unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information...

FreeBSD -- Use-after-free in TCP RACK stack option handler

Problem Description: The RACK setsockopt2 handler drops the connection lock in order to copy option data from userspace, then reacquires the lock. After reacquiring, it verifies that the TCP stack had not been switched away, but did not reload its pointer to the stack's per-connection control...

Linux Distros Unpatched Vulnerability : CVE-2026-55892

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Vim is an open source, command line text editor. Prior to 9.2.0662, the dumpprefixes function in src/spell.c walks a spell-file prefix trie iteratively with a...

CVE-2026-7656 Broken IPv6 Neighbor Discovery input validation allows spoofed RA/NS/NA acceptance in Zephyr net stack

The IPv6 Neighbor Discovery handlers in subsys/net/ip/ipv6nbr.c handlerainput, handlensinput, handlenainput used an incorrect boolean expression that combined the RFC 4861 validity checks with the ICMPv6 code check using the wrong operator precedence: the form was length/hop/source/target checks ...

CVE-2026-7656 Broken IPv6 Neighbor Discovery input validation allows spoofed RA/NS/NA acceptance in Zephyr net stack

The IPv6 Neighbor Discovery handlers in subsys/net/ip/ipv6nbr.c handlerainput, handlensinput, handlenainput used an incorrect boolean expression that combined the RFC 4861 validity checks with the ICMPv6 code check using the wrong operator precedence: the form was 'length/hop/source/target checks...

CVE-2026-43718

A stack overflow was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash...

CVE-2026-43718

A stack overflow was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash...