CVE-2026-47563

A flaw was found in xorg-x11-drv-nvidia. A local user can trigger an invalid memory access NULL pointer dereference in the driver's kernel mode layer. A successful exploit could allow an attacker to execute arbitrary code with elevated system privileges, access sensitive information, or cause a...

CVE-2026-63686

A NULL pointer dereference in modxml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to...

CVE-2026-23398

CVE-2026-23398 Linux 内核 icmptagvalidation 空指针解引用（远程拒绝服务） 描述 net/ipv4/icmp.c 中的 icmptagvalidation 在解引用 inetprotosproto 时未进行 NULL 检查。远程攻击者可以发送单个精心构造的 ICMP Fragmentation Needed 数据包，其中包含未注册的内部协议号，从而在 softirq 上下文中使内核崩溃。 受影响版本：提交 614aefe56af8（主线）之前的 Linux 内核 / d938dd5a0ad7（稳定版 6.12）之前的版本 用法 sudo python...

CVE-2026-63686

The Apache HTTP Server (versions before 2.4.69 ) is vulnerable to a NULL pointer dereference within the mod_xml2enc module. An untrusted backend server can trigger a Denial of Service (DoS) by returning a crafted response with a character set that partially succeeds and then fails during conversi...

CVE-2026-63686 Apache HTTP Server: mod_xml2enc crash on charset conversion failure

A NULL pointer dereference in modxml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to...

EUVD-2026-90912

A NULL pointer dereference in modxml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to...

CVE-2026-63686

A NULL pointer dereference in modxml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to...

DEBIAN-CVE-2026-46729

NULL Pointer Dereference vulnerability in Apache HTTP Servers modheartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-46729

NULL Pointer Dereference vulnerability in Apache HTTP Servers modheartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-46729

NULL Pointer Dereference vulnerability in Apache HTTP Servers modheartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-46729 Apache HTTP Server: mod_heartmonitor denial of service

NULL Pointer Dereference vulnerability in Apache HTTP Servers modheartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

EUVD-2026-90887

NULL Pointer Dereference vulnerability in Apache HTTP Servers modheartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68...

CVE-2026-46729

Apache HTTP Server versions 2.4.0 through 2.4.68 are vulnerable to a NULL Pointer Dereference within the mod_heartmonitor module. The flaw occurs over a unicast listener , which can lead to a denial of service (DoS) condition. While the vulnerability is confirmed to impact availability, specific ...

CVE-2026-45729

CVE-2026-45729 — ThorVG 通过恶意 SVG 导致的空指针解引用 严重程度： CVSS 4.3（中等） — CWE-476 安全公告： GHSA-f863-8ghq-7h64 已修复版本： ThorVG v1.0.5 状态： 已修补 / 已公开披露 摘要 ThorVG 的 SVG 解析器在处理根 节点内部截断的子元素标签时，解引用了一个从未初始化的指针。此漏洞可通过正常的渲染路径（tvg::Picture::load → 解析 → 渲染）触发，且只需 6 字节 的输入即可触发。 在标准 Linux 系统上，最坏情况是进程崩溃（DoS）—— mmapminaddr 阻止...

practice-22-23

项目 运行方式：./script.sh GitHub仓库 - https://github.com/LaCinquette/practice-22-23 执行步骤 1. 为了寻找漏洞，我选择了FFmpeg项目。在其中找到了符合要求的提交，具体来说： 符合CWE-476 类型 - 空指针解引用 2. 创建了一个Dockerfile，其中： 1. 选择Ubuntu 22.04作为基础镜像 2. 设置DEBIANFRONTEND=nointeractive以避免在安装包和其他命令时与命令行交互 3. 安装了官方维基中指定的必要依赖 4. 准备工作目录（ workdir 文件夹） 5...

cve-2021-3449

CVE-2021-3449 OpenSSL 该问题于 2021 年 3 月 17 日由诺基亚报告给 OpenSSL。修复由 Peter Kästle 和 Samuel Sapalski（诺基亚）开发。 缓解措施 已知的唯一修复方法是更新 libssl1.1。 即使某些应用默认使用强化 TLS 配置禁用了 TLS 重新协商， 如果它们运行在旧版 OpenSSL 上，仍然会受到此漏洞的影响。 利用代码 main.go 是一个小巧的脚本，它连接到一个 TLS 服务器，强制重新协商，然后断开连接。 利用代码被注入到 Go 1.14.15 捆绑的 encoding/tls 包中。 你可以在...

BIT-PGBOUNCER-2026-19888 NULL pointer dereference in SCRAM client-final-message parsing in PgBouncer

Missing validation of a mandatory attribute in the SCRAM client-final-message parser in PgBouncer through 1.25.2 allows an unauthenticated remote attacker to crash the process. A malformed message can make the parser report success while leaving a required value unset, which is then dereferenced ...

Rocky Linux 9 [CIQ] Security Update: apcu-panel / php / php-bcmath / php-bcmath-debuginfo / php-cli / etc Multiple Vulnerabilities (crlsa-2025_23309)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523309 advisory. php: pgsql extension does not check for errors during escaping CVE-2025-1735 php: NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace...

Rocky Linux 9.6 [TuxCare] Security Update: kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786824415)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786824415 advisory. - In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: avoid overflow in sanity checking A broken device m...

AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1768663754)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1768663754 advisory. - In the Linux kernel, the following vulnerability has been resolved: ice: set txtstamps when creating new Tx rings via ethtool When...