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CWE-416 释放后使用 类漏洞列表 4332

CWE-416 释放后使用 类弱点 4332 条 CVE 漏洞汇总,含 AI 中文分析。

CWE-416 释放后使用是一种内存安全漏洞,指程序在释放内存后仍引用该内存区域。攻击者常利用此缺陷,通过重新分配内存并控制其内容,诱导程序执行恶意代码或读取敏感数据,从而引发远程代码执行或信息泄露。开发者应避免此类风险,确保在指针置空前彻底解除引用,采用智能指针等自动内存管理机制,并严格验证内存生命周期,防止悬空指针操作。

MITRE CWE 官方描述
CWE:CWE-416 Use After Free 英文:产品在内存被释放后重新使用或引用该内存。在此之后,该内存可能会被重新分配并保存到另一个指针中,而原始指针则指向新分配内存中的某个位置。由于内存“属于”操作新指针的代码,因此使用原始指针的任何操作均不再有效。
常见影响 (4)
Integrity Modify Memory
The use of previously freed memory may corrupt valid data, if the memory area in question has been allocated and used properly elsewhere.
Availability DoS: Crash, Exit, or Restart
If chunk consolidation occurs after the use of previously freed data, the process may crash when invalid data is used as chunk information.
Confidentiality Read Memory
Read operations on freed memory can sometimes leak sensitive information instead of causing a crash
Integrity, Confidentiality, Availability Execute Unauthorized Code or Commands
If malicious data is entered before chunk consolidation can take place, it may be possible to take advantage of a write-what-where primitive to execute arbitrary code. If the newly allocated data happens to hold a class, in C++ for example, various function pointers may be scattered within the heap …
缓解措施 (2)
Architecture and Design Choose a language that provides automatic memory management.
Implementation When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
Effectiveness: Defense in Depth
代码示例 (2)
The following example demonstrates the weakness.
#include <stdio.h> #include <unistd.h> #define BUFSIZER1 512 #define BUFSIZER2 ((BUFSIZER1/2) - 8) int main(int argc, char **argv) { char *buf1R1; char *buf2R1; char *buf2R2; char *buf3R2; buf1R1 = (char *) malloc(BUFSIZER1); buf2R1 = (char *) malloc(BUFSIZER1); free(buf2R1); buf2R2 = (char *) malloc(BUFSIZER2); buf3R2 = (char *) malloc(BUFSIZER2); strncpy(buf2R1, argv[1], BUFSIZER1-1); free(buf1R1); free(buf2R2); free(buf3R2); }
Bad · C
The following code illustrates a use after free error:
char* ptr = (char*)malloc (SIZE); if (err) { abrt = 1; free(ptr); } ... if (abrt) { logError("operation aborted before commit", ptr); }
Bad · C
CVE ID 标题 CVSS 风险等级 Published
CVE-2026-108094 Mutter Wayland色彩管理路径使用后才释放漏洞 — Red Hat Enterprise Linux 10 7.8 High 2026-10-12
CVE-2026-19935 Zephyr蓝牙协议栈L2CAP通道使用后释放漏洞 — zephyr 7.5 High 2026-10-11
CVE-2026-108539 GPAC MP4Box gf_fq_pop 使用释放后漏洞 — GPAC 6.3 Medium 2026-10-11
CVE-2026-108538 GPAC MP4Box os_thread.c gf_mx_v 释放后使用漏洞 — GPAC 6.3 Medium 2026-10-11
CVE-2026-95702 gVisor VFS MemoryFile 双重释放导致主机哨兵进程远程代码执行漏洞 — gVisor 8.5 High 2026-10-09
CVE-2026-14508 IBM DataPower Gateway 释放后使用漏洞 — DataPower Gateway 10.6CD 6.5 Medium 2026-10-08
CVE-2026-107167 M17n-lib堆使用释放后写入漏洞 — Red Hat Enterprise Linux 10 6.2 Medium 2026-10-07
CVE-2026-107183 llama.cpp 在使用后释放漏洞 — llama.cpp 8.1 High 2026-10-07
CVE-2026-106269 Chrome <155.0.8059.39 CSS释放后使用远程代码执行 — Chrome - - 2026-10-06
CVE-2026-106234 Chrome 155.0.8059.39前扩展Use After Free漏洞 — Chrome - - 2026-10-06
CVE-2026-106373 Google Chrome Fonts使用释放后漏洞 — Chrome - - 2026-10-06
CVE-2026-106335 Chrome < 155.0.8059.39 Media Use-After-Free 远程代码执行 — Chrome - - 2026-10-06
CVE-2026-106283 Google Chrome <155.0.8059.39 流媒体组件UAF漏洞 — Chrome - - 2026-10-06
CVE-2026-106291 Chrome 155.0.8059.39前版本UAF漏洞可导致远程代码执行 — Chrome - - 2026-10-06
CVE-2026-106315 Chrome<155.0.8059.39模块化UAF漏洞 — Chrome - - 2026-10-06
CVE-2026-106204 Chrome <155.0.8059.39 PDF使用释放后漏洞 — Chrome - - 2026-10-06
CVE-2026-106200 Google Chrome <155.0.8059.39 越界释放漏洞 — Chrome - - 2026-10-06
CVE-2026-106357 Chrome 155.0.8059.39前版本WebRTC Use-After-Free漏洞 — Chrome - - 2026-10-06
CVE-2026-106383 Chrome <155.0.8059.39 Media使用释放后漏洞 — Chrome - - 2026-10-06
CVE-2026-106349 Chrome <155.0.8059.39 V8 UAF漏洞 — Chrome - - 2026-10-06
CVE-2026-106190 Chrome <155.0.8059.39 媒体组件Use after free漏洞 — Chrome - - 2026-10-06
CVE-2026-106421 Chrome<155.0.8059.39 PDF内存释放后使用漏洞 — Chrome - - 2026-10-06
CVE-2026-106423 Chrome <155.0.8059.39媒体模块UAF漏洞 — Chrome - - 2026-10-06
CVE-2026-106278 Chrome<155.0.8059.39 Select使用释放后漏洞 — Chrome - - 2026-10-06
CVE-2026-106318 Chrome 155.0.8059.39前媒体模块use-after-free漏洞 — Chrome - - 2026-10-06
CVE-2026-106411 Chrome <155.0.8059.39 解析器Use After Free漏洞 — Chrome - - 2026-10-06
CVE-2026-106233 Chrome<155.0.8059.39使用之后释放漏洞 — Chrome - - 2026-10-06
CVE-2026-106268 Chrome < 155.0.8059.39 WebRTC 释放后使用漏洞 — Chrome - - 2026-10-06
CVE-2026-106257 Chrome <155.0.8059.39 HTML Use-After-Free远程代码执行漏洞 — Chrome - - 2026-10-06
CVE-2026-106235 Google Chrome 155.0.8059.39前远程代码执行漏洞 — Chrome - - 2026-10-06

CWE-416(释放后使用) 是常见的弱点类别,本平台收录该类弱点关联的 4332 条 CVE 漏洞。