35011 matches found
CVE-2026-31421
In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL pointer dereference on shared blocks The old-method path in fwclassify calls tcfblockq and dereferences q-handle. Shared blocks leave block-q NULL, causing a NULL deref when an empty clsfw filter is...
CVE-2026-31421 net/sched: cls_fw: fix NULL pointer dereference on shared blocks
In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL pointer dereference on shared blocks The old-method path in fwclassify calls tcfblockq and dereferences q-handle. Shared blocks leave block-q NULL, causing a NULL deref when an empty clsfw filter is...
CVE-2026-31421
CVE-2026-31421 – Linux kernel net/sched cls_fw NULL pointer dereference . Root cause: in fw_classify(), the old-method path uses tcf_block_q() and dereferences q->handle; for shared blocks, block->q is NULL, causing a NULL pointer dereference when a nonzero skb is classified. The fix preven...
CVE-2026-31422 net/sched: cls_flow: fix NULL pointer dereference on shared blocks
In the Linux kernel, the following vulnerability has been resolved: net/sched: clsflow: fix NULL pointer dereference on shared blocks flowchange calls tcfblockq and dereferences q-handle to derive a default baseclass. Shared blocks leave block-q NULL, causing a NULL deref when a flow filter witho...
CVE-2026-31421 net/sched: cls_fw: fix NULL pointer dereference on shared blocks
In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL pointer dereference on shared blocks The old-method path in fwclassify calls tcfblockq and dereferences q-handle. Shared blocks leave block-q NULL, causing a NULL deref when an empty clsfw filter is...
harfbuzz: Null Pointer Dereference in harfbuzz
A null pointer dereference vector has been discovered in the harfbuzz package. A null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh:1672-1673. The function fails to check if hbmalloc returns NULL before using placement ne...
Nitro PDF Pro 安全漏洞
Nitro PDF Pro is a PDF editing and management tool developed by the American company Nitro. Version 14.41.1.4 of Nitro PDF Pro contains a security vulnerability, which stems from a null pointer dereferencing in the appAlert function, potentially causing the application to crash...
Linux kernel 安全漏洞
The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a null pointer dereferencing in the clsfw module when shared blocks are involved, potentially...
CVE-2025-66769
A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Service DoS via a crafted XFA packet...
CVE-2025-66769
A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Service DoS via a crafted XFA packet...
CVE-2025-66769
A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows an attacker to cause a Denial of Service via a crafted XFA packet. Affected product: Nitro PDF Pro for Windows; vulnerability type: NULL pointer dereference in XFA handling; impact: DoS (availability impact high). No exploi...
Nitro PDF Pro 安全漏洞
Nitro PDF Pro is a PDF editing and management tool developed by the American company Nitro. Version 14.41.1.4 of Nitro PDF Pro contains a security vulnerability, which stems from a null pointer dereferencing, potentially leading to a denial-of-service attack...
Linux Distros Unpatched Vulnerability : CVE-2026-31425
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rds: ib: reject FRMR registration before IB connection is established rdsibgetmr extracts the rdsibconnection from conn-ctransportdata and passes it to...
NULL Pointer Dereference
Overview Affected versions of this package are vulnerable to NULL Pointer Dereference via the readelf process. An attacker can cause the process to become unresponsive or crash by enticing a user to execute it on a specially crafted ELF file, resulting in resource exhaustion or a segmentation...
OESA-2026-1886 expat security update
expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.CVE-2026-32776 libexpat...
OESA-2026-1884 expat security update
expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.CVE-2026-32776 libexpat...
OESA-2026-1885 expat security update
expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.CVE-2026-32776 libexpat...
OESA-2026-1883 expat security update
expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.CVE-2026-32776 libexpat...
OESA-2026-1882 expat security update
expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.CVE-2026-32776 libexpat...
