RedLine-Stealer-C2-Defender-Bypass-Payload-Analysis

1. C2 Connection – IP 198.46.86.63 Network analysis reveals that RedLine Stealer establishes a connection to the remote IP address 198.46.86.63. This IP is likely the malware's Command & Control C2 server, used for data exfiltration and command delivery. Key Observations: IP Address: 198.46.86.63...

CVE-2026-93523

A flaw was found in xorg-x11-server. A local authenticated client can exploit this flaw by sending a crafted input device ungrab request with an unvalidated modifier value. This lack of validation causes the server to perform an out-of-bounds write on the heap, resulting in memory corruption that...

CVE-2026-93521

A flaw was found in xorg-x11-server. The X server incorrectly calculates buffer sizes and memory offsets when prepending or appending data to RandR Resize and Rotate extension provider properties. A local attacker can exploit this vulnerability by sending specially crafted property update request...

Security update 5.2.1 for Multi-Linux Manager Client Tools

This update fixes the following issues: golang-github-prometheus-prometheus was updated to version 3.13.2: Security issues: CVE-2026-39821: Fixed validation bypass and privilege escalation in Punycode label handling bsc1266608 CVE-2026-56852: Fixed infinite loop on truncated or invalid UTF-8 inpu...

gvcidrv64

hi hackers. GVCIDrv64.sys is the signed kernel driver that ships with Gigabyte's BIOS utility. It creates \.\GVCIDrv64 with no security descriptor, so any local user can open it no admin, no UAC. It exposes 3 IOCTLs with zero access control: map 32 MB of physical memory 0x9C406580, unmap...

kernel: RDMA/rxe: Reject non-8-byte ATOMIC_WRITE payloads

A flaw was found in the Linux kernel's RDMA Remote Direct Memory Access subsystem, specifically within the rxe driver. A remote attacker could exploit this vulnerability by sending a specially crafted ATOMICWRITE request with a zero-byte payload. This improper handling of non-8-byte ATOMICWRITE...

kernel: ipv6: exthdrs: refresh nh after handling HAO option

A flaw was found in the Linux kernel's IPv6 extension header processing. When processing the Home Address Option HAO, the cached network header pointer may become invalid if the packet's memory is reallocated. This can lead to incorrect parsing of subsequent IPv6 Type-Length-Value TLV options,...

kernel: smb: client: fix double-free in SMB2_flush() replay

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability, a double-free error within the SMB2flush replay mechanism, occurs when the system attempts to free a memory buffer twice. A malicious SMB server could exploit this by sending a specially crafted flush...

kernel: smb: client: fix query_info() replay double-free

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability, a double-free error, occurs when the queryinfo replay mechanism attempts to free a response buffer that has already been released. This can happen if an error occurs during the initialization of an SMB2...

Security update 5.2.1 for Multi-Linux Manager Client Tools

This update fixes the following issues: golang-github-prometheus-prometheus was updated to version 3.13.2: Security issues: CVE-2026-39821: Fixed validation bypass and privilege escalation in Punycode label handling bsc1266608 CVE-2026-56852: Fixed infinite loop on truncated or invalid UTF-8 inpu...

CVE-2026-98173

A flaw was found in the Linux kernel's SMB client. A race condition in multichannel connection management allows network interface structures to be freed while still in use during concurrent interface refreshes. A malicious server or an attacker triggering interface updates can exploit this...

thunderbird: Information disclosure due to malicious IMAP server response

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js...

firefox: Internally found bugs fixed in Firefox 155, Firefox ESR 153.2, Firefox ESR 140.15 and Firefox ESR 115.40

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Internally found bugs present in Firefox 154, Firefox ESR 153.1, Firefox ESR 140.14 and Firefox ESR 115.39. Some of these bugs showed evidence of memory corruption or another security-relevant...

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...

firefox: Internally found bugs fixed in Firefox 155, Firefox ESR 153.2 and Firefox ESR 140.15

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Internally found bugs present in Firefox 154, Firefox ESR 153.1 and Firefox ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume...

kernel: svcrdma: Reject inline replies that overflow the pull-up buffer

A flaw was found in the Linux kernel's svcrdma component, which handles network communication using Remote Direct Memory Access RDMA. A remote attacker can send a specially crafted network reply that is larger than expected. This can cause the system to write data beyond the intended memory area,...

FreeRDP: FreeRDP: Remote code execution via uninitialized heap memory disclosure

A flaw was found in FreeRDP. An uninitialized heap memory disclosure vulnerability exists in the urbdrc USB redirection channel. A malicious Remote Desktop Protocol RDP server can exploit this by inducing failing USB transfers, allowing it to read uninitialized heap memory from the client. This...

Important: Red Hat Security Advisory: perl-DBI security update

An update for perl-DBI is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

perl-DBI: perl-DBI: Denial of Service via invalid memory read during numeric type casting

A flaw was found in perl-DBI. When casting numeric values to the SQLNUMERIC type using the sqltypecast function, the component incorrectly handles numeric values as strings without converting them first. An attacker capable of supplying numeric input to an affected application can trigger an...

CVE-2023-25136

CVE-2023-25136 OpenSSH 9.1 Vulnerability Mass Scanning and Exploitation Vulnerability Details OpenSSH is software that implements the SSH protocol, commonly used to securely connect to Linux or Windows machines for remote administration. The CVE-2023-25136 security vulnerability introduced in...