CVE-2026-64531

CVE-2026-64531 — OVSwrap Linux 内核 Open vSwitch 模块本地提权普通用户 → rootPoC。利用 16 位 nlalen 字段的整数回绕,从普通用户 一路提到 root 。 漏洞简述 OVS 生成的嵌套 action 流超过 65535 字节时,16 位 nlalen 字段发生回绕。攻击者仅在私有用户/网络命名空间内持有 CAPNETADMIN 即可构造超长 CLONE action,使内核解析器落入攻击者控制的 conntrack 数据,进而获得任意内核读 与逐字递减 原语,最终篡改自身凭据提权到 root。 该 bug 源于一个存在了 13...

CVE-2026-38427

CVE-2026-38427：Tasmota fetchjpg 中的整数回绕导致堆缓冲区溢出 CVE： CVE-2026-38427 严重性： 严重 CVSS 9.8 产品： Arendst Tasmota 受影响版本： = 15.3.0.3 文件： tasmota/tasmotaxdrvdriver/xdrv10scripter.ino 函数： fetchjpg — case 2 MJPEG 帧获取 作者： Saidakbarxon Maxsudxonov 披露： 负责任的披露——发布前已报告给 Tasmota 总结 Tasmota 脚本驱动中的 fetchjpg 函数存在 uint1...

postgresql: pltcl: plperl: PostgreSQL: Arbitrary code execution in 32-bit pltcl and plperl

A flaw was found in PostgreSQL. An integer wraparound vulnerability in 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This can lead to arbitrary code execution as the operating system...

postgresql: PostgreSQL: Arbitrary code execution via integer wraparound in tsvector and tsquery functions

A flaw was found in PostgreSQL. An unprivileged database user can exploit an integer wraparound vulnerability in the tsvector and tsquery data type functions. By providing crafted large inputs, the server can be forced to undersize an allocation, leading to an out-of-bounds write. This could...

postgresql-fuzzystrmatch: PostgreSQL fuzzystrmatch: Arbitrary code execution via integer wraparound

A flaw was found in PostgreSQL fuzzystrmatch. A low-privileged database user can exploit an integer wraparound vulnerability by providing extreme inputs to the levenshtein or levenshteinlessequal SQL functions. This allows the user to execute arbitrary code as the operating system user running th...

RHEL 9 : postgresql:15 (RHSA-2026:69914)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:69914 advisory. PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Arbitrary code executi...

ALSA-2026:69876 Important: postgresql:16 security update

PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Arbitrary code execution via integer wraparound in tsvector and tsquery functions CVE-2026-14662 postgresql: PostgreSQL: Arbitrary code execution via untrusted data inclusion in...

RHEL 8 : postgresql:15 (RHSA-2026:69923)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:69923 advisory. PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Arbitrary code executi...

RHEL 10 : postgresql16 (RHSA-2026:70186)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:70186 advisory. PostgreSQL is an advanced Object-Relational database management system DBMS. The base postgresql package contains the client programs that...

Important: postgresql:16 security update

PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Arbitrary code execution via integer wraparound in tsvector and tsquery functions CVE-2026-14662 postgresql: PostgreSQL: Arbitrary code execution via untrusted data inclusion in...

RHEL 9 : postgresql (RHSA-2026:69607)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:69607 advisory. PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Arbitrary code executi...

postgresql-fuzzystrmatch: PostgreSQL fuzzystrmatch: Arbitrary code execution via integer wraparound

A flaw was found in PostgreSQL fuzzystrmatch. A low-privileged database user can exploit an integer wraparound vulnerability by providing extreme inputs to the levenshtein or levenshteinlessequal SQL functions. This allows the user to execute arbitrary code as the operating system user running th...

postgresql: PostgreSQL: Arbitrary code execution via integer wraparound in tsvector and tsquery functions

A flaw was found in PostgreSQL. An unprivileged database user can exploit an integer wraparound vulnerability in the tsvector and tsquery data type functions. By providing crafted large inputs, the server can be forced to undersize an allocation, leading to an out-of-bounds write. This could...

postgresql: pltcl: plperl: PostgreSQL: Arbitrary code execution in 32-bit pltcl and plperl

A flaw was found in PostgreSQL. An integer wraparound vulnerability in 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This can lead to arbitrary code execution as the operating system...

Linux Distros Unpatched Vulnerability : CVE-2026-90245

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fbdev: kyro: Validate overlay viewport coordinates The overlay viewport end coordinates are computed from the viewport origin and dimensions using 32-bit unsign...

openSUSE 16 Security Update : mkvtoolnix (openSUSE-SU-2026:21867-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21867-1 advisory. Changes in mkvtoolnix: - CVE-2026-90783: heap buffer overflow in the bundled avilib library's ODML superindex parser due to integer wraparound in 32-bit...

MiracleLinux 9 : [security - high] postgresql:16 (AXSA:2026-1882:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1882:01 advisory. postgresql: PostgreSQL: Arbitrary code execution via integer wraparound in tsvector and tsquery functions CVE-2026-14662 postgresql: PostgreSQL:...

DEBIAN-CVE-2026-90245

In the Linux kernel, the following vulnerability has been resolved: fbdev: kyro: Validate overlay viewport coordinates The overlay viewport end coordinates are computed from the viewport origin and dimensions using 32-bit unsigned arithmetic. Large input values can cause these calculations to wra...

AZL-102891 CVE-2026-90245 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: fbdev: kyro: Validate overlay viewport coordinates The overlay viewport end coordinates are computed from the viewport origin and dimensions using 32-bit unsigned arithmetic. Large input values can cause these calculations to wra...

DEBIAN-CVE-2026-90199

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: reject out-of-range evcn in mienumattr In mienumattr, the start/end VCN validation for non-resident attributes is: if svcn evcn + 1 goto out; When evcn is U64MAX the "evcn + 1" expression wraps to 0 and any svcn passes...