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CWE-416: Use After Free, page 163

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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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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-2019-8038EPSS 5.0%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  2. 9.8CVE-2019-8036EPSS 4.9%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  3. 8.8CVE-2019-8034EPSS 4.5%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  4. 8.8CVE-2019-8033EPSS 4.5%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  5. 9.8CVE-2019-8031EPSS 4.9%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  6. 9.8CVE-2019-8030EPSS 4.9%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  7. 9.8CVE-2019-8029EPSS 5.0%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  8. 9.8CVE-2019-8028EPSS 4.3%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  9. 9.8CVE-2019-8026EPSS 4.3%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  10. 9.8CVE-2019-8025EPSS 4.4%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  11. 9.8CVE-2019-8024ExploitEPSS 15%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  12. 8.8CVE-2019-8013EPSS 4.1%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  13. 9.8CVE-2019-8003EPSS 4.9%

    Adobe Acrobat and Reader versions 2019.012.20035 and earlier, 2019.012.20035 and earlier, 2017.011.30142 and earlier, 2017.011.30143 and earlier, 2015.006.30497 and earlier, and 2015.006.30498 and earlier have an use after free vulnerabili…

  14. 7.8CVE-2019-2127EPSS 0.2%

    In AudioInputDescriptor::setClientActive of AudioInputDescriptor.cpp, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User intera…

  15. 7.8CVE-2019-15239EPSS 0.6%

    In the Linux kernel, a certain net/ipv4/tcp_output.c change, which was properly incorporated into 4.16.12, was incorrectly backported to the earlier longterm kernels, introducing a new vulnerability that was potentially more severe than th…

  16. 9.8CVE-2019-15232EPSS 1.7%

    Live555 before 2019.08.16 has a Use-After-Free because GenericMediaServer::createNewClientSessionWithId can generate the same client session ID in succession, which is mishandled by the MPEG1or2 and Matroska file demultiplexors.

  17. 4.6CVE-2019-15220EPSS 0.8%

    An issue was discovered in the Linux kernel before 5.2.1. There is a use-after-free caused by a malicious USB device in the drivers/net/wireless/intersil/p54/p54usb.c driver.

  18. 4.6CVE-2019-15215EPSS 0.8%

    An issue was discovered in the Linux kernel before 5.2.6. There is a use-after-free caused by a malicious USB device in the drivers/media/usb/cpia2/cpia2_usb.c driver.

  19. 6.4CVE-2019-15214EPSS 0.6%

    An issue was discovered in the Linux kernel before 5.0.10. There is a use-after-free in the sound subsystem because card disconnection causes certain data structures to be deleted too early. This is related to sound/core/init.c and sound/c…

  20. 4.6CVE-2019-15213EPSS 0.7%

    An issue was discovered in the Linux kernel before 5.2.3. There is a use-after-free caused by a malicious USB device in the drivers/media/usb/dvb-usb/dvb-usb-init.c driver.

  21. 4.6CVE-2019-15211EPSS 0.8%

    An issue was discovered in the Linux kernel before 5.2.6. There is a use-after-free caused by a malicious USB device in the drivers/media/v4l2-core/v4l2-dev.c driver because drivers/media/radio/radio-raremono.c does not properly allocate m…

  22. 7.8CVE-2018-20976EPSS 0.6%

    An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.

  23. 7.0CVE-2016-10906EPSS 0.4%

    An issue was discovered in drivers/net/ethernet/arc/emac_main.c in the Linux kernel before 4.5. A use-after-free is caused by a race condition between the functions arc_emac_tx and arc_emac_tx_clean.

  24. 7.8CVE-2016-10905EPSS 0.6%

    An issue was discovered in fs/gfs2/rgrp.c in the Linux kernel before 4.8. A use-after-free is caused by the functions gfs2_clear_rgrpd and read_rindex_entry.

  25. 8.8CVE-2019-15140EPSS 4.1%

    coders/mat.c in ImageMagick 7.0.8-43 Q16 allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly have unspecified other impact by crafting a Matlab image file that is mishandled in ReadImage …

  26. 7.8CVE-2019-13514EPSS 3.0%

    In Delta Industrial Automation DOPSoft, Version 4.00.06.15 and prior, processing a specially crafted project file may trigger a use-after-free vulnerability, which may allow information disclosure, remote code execution, or crash of the ap…

  27. 3.3CVE-2019-13511EPSS 5.8%

    Rockwell Automation Arena Simulation Software versions 16.00.00 and earlier contain an INFORMATION EXPOSURE CWE-200. A maliciously crafted Arena file opened by an unsuspecting user may result in the limited exposure of information related …

  28. 7.8CVE-2019-13510EPSS 12%

    Rockwell Automation Arena Simulation Software versions 16.00.00 and earlier contain a USE AFTER FREE CWE-416. A maliciously crafted Arena file opened by an unsuspecting user may result in the application crashing or the execution of arbitr…

  29. 6.5CVE-2019-14980EPSS 1.9%

    In ImageMagick 7.x before 7.0.8-42 and 6.x before 6.9.10-42, there is a use after free vulnerability in the UnmapBlob function that allows an attacker to cause a denial of service by sending a crafted file.

  30. 5.5CVE-2019-14294EPSS 0.9%

    An issue was discovered in Xpdf 4.01.01. There is a use-after-free in the function JPXStream::fillReadBuf at JPXStream.cc, due to an out of bounds read.

  31. 7.8CVE-2018-20856EPSS 0.7%

    An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.

  32. 7.8CVE-2019-5606EPSS 0.6%

    In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posi…

  33. 7.8CVE-2019-1010127EPSS 1.6%

    VCFTools vcftools prior to version 0.1.15 is affected by: Use-after-free. The impact is: Denial of Service or possibly other impact (eg. code execution or information disclosure). The component is: The header::add_FILTER_descriptor method …

  34. 8.8CVE-2019-2316EPSS 0.2%

    When computing the digest a local variable is used after going out of scope in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Voice & Music in MDM9640, QCS405, QCS605, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625…

  35. 7.0CVE-2019-2314EPSS 0.1%

    Possible race condition that will cause a use-after-free when writing to two sysfs entries at nearly the same time in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snap…

  36. 7.8CVE-2019-2298EPSS 0.2%

    Protection is missing while accessing md sessions info via macro which can lead to use-after-free in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snap…

  37. 7.8CVE-2019-2293EPSS 0.2%

    Pointer dereference while freeing IFE resources due to lack of length check of in port resource. in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MSM8909W, QCS405, …

  38. 7.8CVE-2019-2290EPSS 0.2%

    Multiple open and close from multiple threads will lead camera driver to access destroyed session data pointer in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon W…

  39. 7.8CVE-2019-2263EPSS 0.2%

    Access to freed memory can happen while reading from diag driver due to use after free issue in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdrag…

  40. 9.8CVE-2019-1010177EPSS 2.1%

    Jsish 2.4.70 2.047 is affected by: Use After Free. The impact is: denial of service and possibly arbitrary code execution. The component is: function Jsi_RegExpNew (jsi/jsiRegexp.c:39). The attack vector is: executing crafted javascript co…

  41. 8.1CVE-2019-9821EPSS 0.8%

    A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.

  42. 9.8CVE-2019-9820EPSS 1.6%

    A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

  43. 8.3CVE-2019-9818EPSS 1.0%

    A race condition is present in the crash generation server used to generate data for the crash reporter. This issue can lead to a use-after-free in the main process, resulting in a potentially exploitable crash and a sandbox escape. *Note:…

  44. 9.8CVE-2019-11713EPSS 2.1%

    A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

  45. 9.8CVE-2019-11692EPSS 1.6%

    A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox …

  46. 9.8CVE-2019-11691EPSS 1.6%

    A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash. This vulnerability affects…

  47. 7.5CVE-2019-1010170EPSS 1.1%

    Jsish 2.4.77 2.0477 is affected by: Use After Free. The impact is: denial of service. The component is: function Jsi_ObjFree (jsiObj.c:230). The attack vector is: executing crafted javascript code. The fixed version is: 2.4.78.

  48. 7.8CVE-2019-2264EPSS 0.2%

    Null pointer dereference occurs for channel context while opening glink channel in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MDM9607, MDM9640, MSM8909W, QCS405, QCS605, S…

  49. 7.0CVE-2019-2260EPSS 0.1%

    A race condition occurs while processing perf-event which can lead to a use after free condition in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapd…

  50. 7.8CVE-2019-6822EPSS 3.7%

    A Use After Free: CWE-416 vulnerability exists in Zelio Soft 2, V5.2 and earlier, which could cause remote code execution when opening a specially crafted Zelio Soft 2 project file.