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CWE-416: Use After Free, page 38

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The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

What the weakness is: CWE-416 at MITRE

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Show the promptExplain CWE-416: Use After Free and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/416.html and https://cve.bz/cve/cwe/416?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

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  1. 8.8CVE-2026-53359EPSS 1.4%

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GFN") fixed a shado…

  2. 7.5CVE-2026-58294EPSS 0.6%

    Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

  3. 8.3CVE-2026-58288EPSS 0.6%

    Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

  4. 8.3CVE-2026-58287EPSS 0.6%

    Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

  5. 7.5CVE-2026-58276EPSS 0.6%

    Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

  6. 7.5CVE-2026-57992EPSS 0.6%

    Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

  7. 7.5CVE-2026-57986EPSS 0.6%

    Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

  8. 7.5CVE-2026-57984EPSS 0.6%

    Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

  9. 8.8CVE-2026-57981EPSS 0.8%

    Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

  10. 7.3CVE-2026-9080EPSS 0.5%

    Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION` callback triggers a use-after-free vulnerability, where libcurl attempts to store a flag using a dangling struct pointer immediately after that pointer's memory h…

  11. 9.8CVE-2026-10536EPSS 0.6%

    A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or `CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and finally terminates t…

  12. 9.2CVE-2026-13368EPSS 0.9%

    WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary c…

  13. 8.0CVE-2026-53357EPSS 0.3%

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del() bt_accept_dequeue() unlinks a not-yet-accepted child from the parent accept queue and release_sock(…

  14. 8.8CVE-2026-14432EPSS 0.4%

    Use after free in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

  15. 7.5CVE-2026-14426EPSS 0.4%

    Use after free in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: …

  16. 9.6CVE-2026-14425EPSS 0.2%

    Use after free in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

  17. 9.6CVE-2026-14424EPSS 0.3%

    Use after free in Dawn in Google Chrome on Mac prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

  18. 9.6CVE-2026-14419EPSS 0.2%

    Use after free in Skia in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

  19. 9.6CVE-2026-14417EPSS 0.3%

    Use after free in Dawn in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

  20. 8.8CVE-2026-14403EPSS 0.4%

    Use after free in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Low)

  21. 9.6CVE-2026-14398EPSS 0.2%

    Use after free in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

  22. 8.8CVE-2026-14394EPSS 0.3%

    Use after free in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Low)

  23. 8.8CVE-2026-14393EPSS 0.4%

    Use after free in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

  24. 9.6CVE-2026-14390EPSS 0.2%

    Use after free in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

  25. 8.3CVE-2026-50521EPSS 0.8%

    Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

  26. 5.5CVE-2026-55510EPSS 0.1%

    ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, when identifying an image with a crafted 8BIM profile with a specific format string a use-after-free w…

  27. 7.5CVE-2026-24266EPSS 0.7%

    NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker can cause a use-after-free issue. A successful exploit of this vulnerability might lead to denial of service.

  28. 7.8CVE-2026-53341EPSS 0.1%

    In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh() may_decode_fh() accesses mount::mnt_ns without holding any locks; that means the mount can concurrently…

  29. 6.3CVE-2026-54902EPSS 0.5%

    Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, is vulnerable to Use-After-Free when in SAJ mode. The Oj::Parser does not protect cached object keys (≥ 35 bytes) from garbage coll…

  30. 6.3CVE-2026-54901EPSS 0.4%

    Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, Oj::Parser in usual mode does not mark array_class and hash_class references during garbage collection, leading to Use-After-Fr…

  31. 6.3CVE-2026-54899EPSS 0.4%

    Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. Prior to version 3.17.2, disabling symbol_keys on a reused Oj::Parser instance triggers a heap use-after-free. When symbol_keys is toggled from true to fals…

  32. 2.1CVE-2026-54898EPSS 0.2%

    Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2,Oj::Parser#parse is vulnerable to a heap use-after-free when a SAJ/SAJ2 callback mutates the input JSON string during parsing. T…

  33. 2.1CVE-2026-54897EPSS 0.2%

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  34. 8.8CVE-2026-14149EPSS 0.4%

    Use after free in Audio in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Low)

  35. 9.8CVE-2026-14121EPSS 0.5%

    Use after free in Chromoting in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Low)

  36. 9.6CVE-2026-14113EPSS 0.3%

    Use after free in Updater in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: L…

  37. 8.1CVE-2026-14111EPSS 0.4%

    Use after free in WebProtect in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension. (Chromium security severity: Low)

  38. 8.8CVE-2026-14108EPSS 0.4%

    Use after free in PDFium in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Low)

  39. 8.8CVE-2026-14107EPSS 0.4%

    Use after free in Scheduling in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Low)

  40. 6.5CVE-2026-14103EPSS 0.3%

    Use after free in SSL in Google Chrome on ChromeOS prior to 150.0.7871.47 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)

  41. 8.8CVE-2026-14102EPSS 0.3%

    Use after free in Passwords in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Low)

  42. 8.8CVE-2026-14099EPSS 0.3%

    Use after free in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium secu…

  43. 7.8CVE-2026-14094EPSS 0.1%

    Use after free in Installer in Google Chrome on Windows prior to 150.0.7871.47 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Low)

  44. 9.6CVE-2026-14093EPSS 0.3%

    Use after free in Cast in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)

  45. 8.8CVE-2026-14091EPSS 0.4%

    Use after free in DevTools in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Low)

  46. 8.8CVE-2026-14067EPSS 0.4%

    Use after free in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Low)

  47. 7.5CVE-2026-14064EPSS 0.4%

    Use after free in PageInfo in Google Chrome on Android prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: …

  48. 6.5CVE-2026-14048EPSS 0.2%

    Use after free in Chromecast in Google Chrome prior to 150.0.7871.47 allowed an attacker on the local network segment to obtain potentially sensitive information from process memory via a malicious peripheral. (Chromium security severity: …

  49. 9.6CVE-2026-14044EPSS 0.3%

    Use after free in ANGLE in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)

  50. 9.6CVE-2026-14043EPSS 0.3%

    Use after free in GetUserMedia in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)