CVE-2026-31424

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restrict xtcheckmatch/xtchecktarget extensions for NFPROTOARP Weiming Shi says: xtmatch and xttarget structs registered with NFPROTOUNSPEC can be loaded by any protocol family through nftcompat. When such a...

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-2026-31422 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

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-2026-31421 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

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...

CLSA-2026-1776083558 binutils: Fix of 4 CVEs

CVE-2025-5244: fix NULL deref in elfgcsweep on empty section group - CVE-2025-5245: fix NULL deref in debugtypesamep for incomplete enum types - CVE-2026-3441, CVE-2026-3442: fix xcofflink out-of-bounds accesses...

Security update for openssl-1_0_0

This update for openssl-100 fixes the following issues: CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo...

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...

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...

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...

jq 安全漏洞

jq is a lightweight and flexible command-line JSON processor developed by jqlang. There is a security vulnerability in jq, which stems from the lack of parameter type validation in the strindices built-in function. This vulnerability may lead to crashes or uncontrolled pointer dereferencing...

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...

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...

The vulnerability of the sigd_send() function in Linux operating system kernels, which allows a hacker to trigger a service failure

The vulnerability of the sigdsend function in Linux operating system kernels is related to unreliable pointer dereferencing. Exploiting this vulnerability could allow an attacker to cause a service failure...

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...

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...

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...

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...

Important: openssl

Issue Overview: Potential use-after-free in DANE client code CVE-2026-28387 NULL Pointer Dereference When Processing a Delta CRL NOTE: https://openssl-library.org/news/secadv/20260407.txt CVE-2026-28388 Possible NULL dereference when processing CMS KeyAgreeRecipientInfo CVE-2026-28389 Possible NU...