Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.37 bug fix and security update

Red Hat OpenShift Container Platform release 4.20.37 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 4.20. Red Hat Product Security has rated this update as having a...

EUVD-2026-72691

A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition DTD with enumerated attribute values. This triggers a double-free error in the SAX attributeDecl callbac...

CVE-2026-74860 Libxml2: double-free/uaf in libxml2 python bindings

A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition DTD with enumerated attribute values. This triggers a double-free error in the SAX attributeDecl callbac...

CVE-2026-74860 Libxml2: double-free/uaf in libxml2 python bindings

A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition DTD with enumerated attribute values. This triggers a double-free error in the SAX attributeDecl callbac...

CVE-2026-74860

A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition DTD with enumerated attribute values. This triggers a double-free error in the SAX attributeDecl callbac...

CVE-2026-74860

A flaw was found in libxml2 with Python bindings enabled. A remote attacker could exploit this vulnerability by providing a specially crafted XML document containing a Document Type Definition DTD with enumerated attribute values. This triggers a double-free error in the SAX attributeDecl callbac...

CVE-2026-74860

CVE-2026-74860 affects libxml2 when compiled with Python bindings enabled. A remote attacker can supply a specially crafted XML document containing a DTD with enumerated attribute values , triggering a double-free in the SAX attributeDecl callback handler (a string is freed twice). The flaw resul...

Important: Red Hat Security Advisory: kernel security update

An update for kernel 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 th...

kernel: smb: client: fix change notify replay double-free

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability occurs due to a double-free error when handling change notify replies. If a response attempt returns a replayable error and frees its buffer, and then SMB2notifyinit fails, the same buffer can be freed agai...

redis: Redis: Remote Code Execution via specially crafted RESTORE payload

A flaw was found in Redis. An authenticated attacker, in an unusual configuration where they can execute the RESTORE command, could exploit a double free vulnerability. This occurs when a specially crafted RESTORE payload references the same NACK pending entry by multiple consumers, and both...

kernel: smb: client: fix double-free in SMB2_close() replay

A flaw was found in the Linux kernel's Server Message Block SMB client. A vulnerability exists in the SMB2close replay mechanism where a response buffer can be freed twice. This double-free condition can lead to memory corruption, potentially resulting in a denial of service or the execution of...

redis: Redis: Remote Code Execution via specially crafted RESTORE payload

A flaw was found in Redis. An authenticated attacker, in an unusual configuration where they can execute the RESTORE command, could exploit a double free vulnerability. This occurs when a specially crafted RESTORE payload references the same NACK pending entry by multiple consumers, and both...

redis: Redis: Remote Code Execution via specially crafted RESTORE payload

A flaw was found in Redis. An authenticated attacker, in an unusual configuration where they can execute the RESTORE command, could exploit a double free vulnerability. This occurs when a specially crafted RESTORE payload references the same NACK pending entry by multiple consumers, and both...

redis: Redis: Remote Code Execution via specially crafted RESTORE payload

A flaw was found in Redis. An authenticated attacker, in an unusual configuration where they can execute the RESTORE command, could exploit a double free vulnerability. This occurs when a specially crafted RESTORE payload references the same NACK pending entry by multiple consumers, and both...

PT-2026-87378

Double free in Windows Registry allows an authorized attacker to elevate privileges over a network...

PT-2026-87339

Name of the Vulnerable Software and Affected Versions Remote Desktop Gateway Service affected versions not specified Description A double free issue in the Remote Desktop Gateway Service allows an authorized attacker to elevate privileges locally. A double free occurs when the program attempts to...

CVE-2026-55007: Double Free

Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network...

CVE-2026-71338: Double Free

Double free in Windows Failover Cluster allows an authorized attacker to elevate privileges locally...

PT-2026-87952

Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network...

PT-2026-87683

Name of the Vulnerable Software and Affected Versions Windows Hello affected versions not specified Description A double free issue in Windows Hello allows an authorized attacker to elevate privileges locally. A double free occurs when the system attempts to free the same memory location twice,...