CVE-2023-25136-PoC

CVE-2023-25136 Vulnerability Reproduction This project provides a minimal local experimental environment for reproducing the OpenSSH 9.1p1 pre-authentication double free memory corruption vulnerability CVE-2023-25136 and observing the server process crash DoS effect. Note: Official and mainstream...

leHACK-Analysis-of-CVE-2018-8453

leHACK 2019: Analyzing CVE-2018-8453: An interesting tale of UAF and Double Free in Windows Kernel This talk was delivered at leHACK 2019 Abstract In this talk, we discuss intricate details of exploitation of CVE-2018-8453, a vulnerability in win32.sys Microsoft Windows driver. It which was...

CVE-2026-88812

A flaw was found in the X.Org X Server and XWayland. An error handling issue in the X Keyboard Extension XKB geometry processing fails to clear a memory pointer after an allocation failure, leading to a double-free condition during cleanup. A local user can exploit this vulnerability by sending a...

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...

kernel: Kernel SMB client: Double-free vulnerability allows remote denial of service or privilege escalation

A flaw was found in the Linux kernel's Server Message Block SMB client. A double-free vulnerability exists in the SMB2ioctl replay path, where a response buffer can be freed twice under specific error conditions. A malicious or compromised SMB server could exploit this by sending crafted response...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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...

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...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. 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...

kernel: Kernel SMB client: Double-free vulnerability allows remote denial of service or privilege escalation

A flaw was found in the Linux kernel's Server Message Block SMB client. A double-free vulnerability exists in the SMB2ioctl replay path, where a response buffer can be freed twice under specific error conditions. A malicious or compromised SMB server could exploit this by sending crafted response...

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...

CLEANSTART-2026-AC13048 When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash

CVE-2026-33811 affects multiple packages. When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. See references for individual vulnerability details...

Linux Distros Unpatched Vulnerability : CVE-2026-107183

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - llama.cpp before b11393 contains a use-after-free and double free vulnerability in commonchatpegmapper::map that allows unauthenticated remote attackers to...

FreeBSD : xorg -- Multiple vulnerabilities (06bf834f-c31f-11f1-9b94-901b0e13f1a0)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 06bf834f-c31f-11f1-9b94-901b0e13f1a0 advisory. X.Org reports: Multiple issues have been found in the X server and Xwayland implementations...

EulerOS 2.0 SP15 : libssh2 (EulerOS-SA-2026-3921)

According to the versions of the libssh2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation...

RHEL 10 : kernel (RHSA-2026:77634)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:77634 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: fs/notify: call...

SUSE SLES16 Security Update : kernel (Live Patch 15 for SUSE Linux Enterprise 16) (SUSE-SU-2026:24016-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:24016-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.36.1 fixes various security issues: The following security issues...

[slackware-security] xorg-server

New xorg-server packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/xorg-server-1.20.14-i586-22slack15.0.txz: Rebuilt. This update fixes security issues: XKB SetGeometry TextDoodad Double Free...

CVE-2026-107209

A flaw was found in ImageMagick. When ImageMagick is built without Cairo graphics support, processing a specially crafted vector image that hits a resource limit can cause the RSVG decoder to release memory twice and reference freed memory. A remote attacker could exploit this issue by supplying ...

Security update for the Linux Kernel (Live Patch 84 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.317 fixes various security issues: The following security issues were fixed: CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in iscsithandletextcmd bsc1272391. CVE-2026-63920: ipv6: validate extension header length...