crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

EUVD-2026-74791

zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constructor, allowing out-of-bounds memory reads. Attackers can supply untrusted offset or length values to read native heap memory into the compression dictionary, typically causing JVM crashe...

CVE-2026-87795 zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictCompress

zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constructor, allowing out-of-bounds memory reads. Attackers can supply untrusted offset or length values to read native heap memory into the compression dictionary, typically causing JVM crashe...

CVE-2026-87795

zstd-jni versions before 1.5.7-14 contain an out-of-bounds read vulnerability in the ZstdDictCompress constructor. The library fails to validate offset and length parameters, allowing an attacker to supply untrusted values that cause reads of native heap memory into the compression dictionary. Th...

CVE-2026-87795 zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictCompress

zstd-jni versions before 1.5.7-14 fail to validate offset and length parameters in the ZstdDictCompress constructor, allowing out-of-bounds memory reads. Attackers can supply untrusted offset or length values to read native heap memory into the compression dictionary, typically causing JVM crashe...

CVE-2026-86776

KeePass versions 2.35 through 2.61.1 are affected by a memory exhaustion vulnerability in the ReadHeaderField function. The root cause is a failure to validate KDBX header field sizes before performing memory allocation. An attacker can craft a malicious KDBX file declaring excessive header field...

CVE-2026-86776 KeePass 2.35 through 2.61.1 Memory Exhaustion via KDBX Header Field Size

KeePass versions 2.35 through 2.61.1 fail to validate KDBX header field sizes before memory allocation in the ReadHeaderField function. Attackers can craft a malicious KDBX file declaring excessive header field lengths to trigger allocation of gigabytes of memory, causing the application to consu...

CVE-2026-86776

KeePass versions 2.35 through 2.61.1 fail to validate KDBX header field sizes before memory allocation in the ReadHeaderField function. Attackers can craft a malicious KDBX file declaring excessive header field lengths to trigger allocation of gigabytes of memory, causing the application to consu...

EUVD-2026-74788

KeePass versions 2.35 through 2.61.1 fail to validate KDBX header field sizes before memory allocation in the ReadHeaderField function. Attackers can craft a malicious KDBX file declaring excessive header field lengths to trigger allocation of gigabytes of memory, causing the application to consu...

CVE-2026-86776 KeePass 2.35 through 2.61.1 Memory Exhaustion via KDBX Header Field Size

KeePass versions 2.35 through 2.61.1 fail to validate KDBX header field sizes before memory allocation in the ReadHeaderField function. Attackers can craft a malicious KDBX file declaring excessive header field lengths to trigger allocation of gigabytes of memory, causing the application to consu...

CVE-2026-86547 mrubyc through 4.0.0 NULL Pointer Dereference via OP_ENTER

mrubyc through 4.0.0 contains a null pointer dereference vulnerability in the openter handler in src/vm.c when processing untrusted bytecode. Attackers can craft malicious .mrb bytecode files with OPENTER instructions at the top level to crash the embedding application and cause denial of service...

CVE-2026-86547

mruby-c (mrubyc) through 4.0.0 contains a null pointer dereference in the op_enter() handler in src/vm.c when processing untrusted bytecode. An attacker can craft malicious .mrb bytecode files with OP_ENTER instructions at the top level to crash the embedding application, resulting in denial of s...

EUVD-2026-74787

mrubyc through 4.0.0 contains a null pointer dereference vulnerability in the openter handler in src/vm.c when processing untrusted bytecode. Attackers can craft malicious .mrb bytecode files with OPENTER instructions at the top level to crash the embedding application and cause denial of service...

CVE-2026-86547 mrubyc through 4.0.0 NULL Pointer Dereference via OP_ENTER

mrubyc through 4.0.0 contains a null pointer dereference vulnerability in the openter handler in src/vm.c when processing untrusted bytecode. Attackers can craft malicious .mrb bytecode files with OPENTER instructions at the top level to crash the embedding application and cause denial of service...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.46 bug fix and security update

Red Hat OpenShift Container Platform release 4.19.46 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a...

Security Bulletin: Multiple vulnerabilities found in CICS Transaction Gateway for Multiplatforms.

Summary Multiple vulnerabilities were identified in third-party components used by CICS Transaction Gateway for Multiplatforms, including IBM WebSphere Application Server, IBM WebSphere Application Server Liberty, Apache Tomcat Embed, Logback, Log4j, Jackson Databind, and various operating system...

Vulnerability handling in Google Chrome

Google has discovered a vulnerability in the V8 JavaScript engine of Google Chrome. Google reports that this vulnerability is actively exploited with the identifier CVE-2026-87491. It involves an out-of-bounds write operation in the V8 engine of Google Chrome, which occurs in versions prior to...

U.S. Agencies Accuse China AI Firms of Distilling Claude, GPT, Gemini, and Grok

U.S. cybersecurity and intelligence agencies have accused China-based artificial intelligence AI companies of conducting "systematic extraction" of proprietary functionalities and capabilities of American frontier models through distillation attacks. The activity has been described as occurring a...

CVE-2026-56855

A flaw was found in golang.org/x/crypto/ssh. After a channel has been established, a remote malicious peer could send specially crafted messages. This could lead to a deadlock of the entire connection, resulting in a Denial of Service DoS for the affected system. Mitigation Red Hat is not aware o...

CVE-2026-31911

A flaw was found in libpcap. A local attacker could provide a crafted filter program containing an invalid Berkeley Packet Filter BPF opcode. This could cause the operating system OS process using libpcap to terminate, leading to a Denial of Service DoS...