CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9811 vulnerabilities reference this CWE, most recent first.
GHSA-5VMJ-CW62-2MGM
Vulnerability from github – Published: 2025-06-18 12:30 – Updated: 2025-12-17 21:30In the Linux kernel, the following vulnerability has been resolved:
RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug
Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x7d/0xa0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xcf/0x610 mm/kasan/report.c:489 kasan_report+0xb5/0xe0 mm/kasan/report.c:602 rxe_queue_cleanup+0xd0/0xe0 drivers/infiniband/sw/rxe/rxe_queue.c:195 rxe_cq_cleanup+0x3f/0x50 drivers/infiniband/sw/rxe/rxe_cq.c:132 __rxe_cleanup+0x168/0x300 drivers/infiniband/sw/rxe/rxe_pool.c:232 rxe_create_cq+0x22e/0x3a0 drivers/infiniband/sw/rxe/rxe_verbs.c:1109 create_cq+0x658/0xb90 drivers/infiniband/core/uverbs_cmd.c:1052 ib_uverbs_create_cq+0xc7/0x120 drivers/infiniband/core/uverbs_cmd.c:1095 ib_uverbs_write+0x969/0xc90 drivers/infiniband/core/uverbs_main.c:679 vfs_write fs/read_write.c:677 [inline] vfs_write+0x26a/0xcc0 fs/read_write.c:659 ksys_write+0x1b8/0x200 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xaa/0x1b0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f
In the function rxe_create_cq, when rxe_cq_from_init fails, the function rxe_cleanup will be called to handle the allocated resources. In fact, some memory resources have already been freed in the function rxe_cq_from_init. Thus, this problem will occur.
The solution is to let rxe_cleanup do all the work.
{
"affected": [],
"aliases": [
"CVE-2025-38024"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-06-18T10:15:34Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug\n\nCall Trace:\n \u003cTASK\u003e\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x7d/0xa0 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0xcf/0x610 mm/kasan/report.c:489\n kasan_report+0xb5/0xe0 mm/kasan/report.c:602\n rxe_queue_cleanup+0xd0/0xe0 drivers/infiniband/sw/rxe/rxe_queue.c:195\n rxe_cq_cleanup+0x3f/0x50 drivers/infiniband/sw/rxe/rxe_cq.c:132\n __rxe_cleanup+0x168/0x300 drivers/infiniband/sw/rxe/rxe_pool.c:232\n rxe_create_cq+0x22e/0x3a0 drivers/infiniband/sw/rxe/rxe_verbs.c:1109\n create_cq+0x658/0xb90 drivers/infiniband/core/uverbs_cmd.c:1052\n ib_uverbs_create_cq+0xc7/0x120 drivers/infiniband/core/uverbs_cmd.c:1095\n ib_uverbs_write+0x969/0xc90 drivers/infiniband/core/uverbs_main.c:679\n vfs_write fs/read_write.c:677 [inline]\n vfs_write+0x26a/0xcc0 fs/read_write.c:659\n ksys_write+0x1b8/0x200 fs/read_write.c:731\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xaa/0x1b0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nIn the function rxe_create_cq, when rxe_cq_from_init fails, the function\nrxe_cleanup will be called to handle the allocated resources. In fact,\nsome memory resources have already been freed in the function\nrxe_cq_from_init. Thus, this problem will occur.\n\nThe solution is to let rxe_cleanup do all the work.",
"id": "GHSA-5vmj-cw62-2mgm",
"modified": "2025-12-17T21:30:31Z",
"published": "2025-06-18T12:30:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38024"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/16c45ced0b3839d3eee72a86bb172bef6cf58980"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/336edd6b0f5b7fbffc3e065285610624f59e88df"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3a3b73e135e3bd18423d0baa72571319c7feb759"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/52daccfc3fa68ee1902d52124921453d7a335591"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7c7c80c32e00665234e373ab03fe82f5c5c2c230"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ee4c5a2a38596d548566560c0c022ab797e6f71a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f81b33582f9339d2dc17c69b92040d3650bb4bae"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f8f470e3a757425a8f98fb9a5991e3cf62fc7134"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5VQ6-7CJ2-4M9J
Vulnerability from github – Published: 2026-05-27 12:31 – Updated: 2026-06-26 21:32In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix use-after-free in arena_vm_close on fork
arena_vm_open() only bumps vml->mmap_count but never registers the child VMA in arena->vma_list. The vml->vma always points at the parent VMA, so after parent munmap the pointer dangles. If the child then calls bpf_arena_free_pages(), zap_pages() reads the stale vml->vma triggering use-after-free.
Fix this by preventing the arena VMA from being inherited across fork with VM_DONTCOPY, and preventing VMA splits via the may_split callback.
Also reject mremap with a .mremap callback returning -EINVAL. A same-size mremap(MREMAP_FIXED) on the full arena VMA reaches copy_vma() through the following path:
check_prep_vma() - returns 0 early: new_len == old_len skips VM_DONTEXPAND check prep_move_vma() - vm_start == old_addr and vm_end == old_addr + old_len so may_split is never called move_vma() copy_vma_and_data() copy_vma() vm_area_dup() - copies vm_private_data (vml pointer) vm_ops->open() - bumps vml->mmap_count vm_ops->mremap() - returns -EINVAL, rollback unmaps new VMA
The refcount ensures the rollback's arena_vm_close does not free the vml shared with the original VMA.
{
"affected": [],
"aliases": [
"CVE-2026-45837"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-27T11:16:23Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix use-after-free in arena_vm_close on fork\n\narena_vm_open() only bumps vml-\u003emmap_count but never registers the\nchild VMA in arena-\u003evma_list. The vml-\u003evma always points at the\nparent VMA, so after parent munmap the pointer dangles. If the child\nthen calls bpf_arena_free_pages(), zap_pages() reads the stale\nvml-\u003evma triggering use-after-free.\n\nFix this by preventing the arena VMA from being inherited across\nfork with VM_DONTCOPY, and preventing VMA splits via the may_split\ncallback.\n\nAlso reject mremap with a .mremap callback returning -EINVAL. A\nsame-size mremap(MREMAP_FIXED) on the full arena VMA reaches\ncopy_vma() through the following path:\n\n check_prep_vma() - returns 0 early: new_len == old_len\n skips VM_DONTEXPAND check\n prep_move_vma() - vm_start == old_addr and\n vm_end == old_addr + old_len\n so may_split is never called\n move_vma()\n copy_vma_and_data()\n copy_vma()\n vm_area_dup() - copies vm_private_data (vml pointer)\n vm_ops-\u003eopen() - bumps vml-\u003emmap_count\n vm_ops-\u003emremap() - returns -EINVAL, rollback unmaps new VMA\n\nThe refcount ensures the rollback\u0027s arena_vm_close does not free\nthe vml shared with the original VMA.",
"id": "GHSA-5vq6-7cj2-4m9j",
"modified": "2026-06-26T21:32:04Z",
"published": "2026-05-27T12:31:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45837"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/201128fcc7b213d27ab77bc4e89488b41796480f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4fddde2a732de60bb97e3307d4eb69ac5f1d2b74"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/723b9fa930cc277c15ce6b9ec9feec828cfac9d7"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d18099f19e53250f8ad2801498b88cec29d9107a"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5VQW-WPPF-X433
Vulnerability from github – Published: 2024-08-07 18:30 – Updated: 2025-11-04 00:31In the Linux kernel, the following vulnerability has been resolved:
libceph: fix race between delayed_work() and ceph_monc_stop()
The way the delayed work is handled in ceph_monc_stop() is prone to races with mon_fault() and possibly also finish_hunting(). Both of these can requeue the delayed work which wouldn't be canceled by any of the following code in case that happens after cancel_delayed_work_sync() runs -- __close_session() doesn't mess with the delayed work in order to avoid interfering with the hunting interval logic. This part was missed in commit b5d91704f53e ("libceph: behave in mon_fault() if cur_mon < 0") and use-after-free can still ensue on monc and objects that hang off of it, with monc->auth and monc->monmap being particularly susceptible to quickly being reused.
To fix this:
- clear monc->cur_mon and monc->hunting as part of closing the session in ceph_monc_stop()
- bail from delayed_work() if monc->cur_mon is cleared, similar to how it's done in mon_fault() and finish_hunting() (based on monc->hunting)
- call cancel_delayed_work_sync() after the session is closed
{
"affected": [],
"aliases": [
"CVE-2024-42232"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-08-07T16:15:46Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: fix race between delayed_work() and ceph_monc_stop()\n\nThe way the delayed work is handled in ceph_monc_stop() is prone to\nraces with mon_fault() and possibly also finish_hunting(). Both of\nthese can requeue the delayed work which wouldn\u0027t be canceled by any of\nthe following code in case that happens after cancel_delayed_work_sync()\nruns -- __close_session() doesn\u0027t mess with the delayed work in order\nto avoid interfering with the hunting interval logic. This part was\nmissed in commit b5d91704f53e (\"libceph: behave in mon_fault() if\ncur_mon \u003c 0\") and use-after-free can still ensue on monc and objects\nthat hang off of it, with monc-\u003eauth and monc-\u003emonmap being\nparticularly susceptible to quickly being reused.\n\nTo fix this:\n\n- clear monc-\u003ecur_mon and monc-\u003ehunting as part of closing the session\n in ceph_monc_stop()\n- bail from delayed_work() if monc-\u003ecur_mon is cleared, similar to how\n it\u0027s done in mon_fault() and finish_hunting() (based on monc-\u003ehunting)\n- call cancel_delayed_work_sync() after the session is closed",
"id": "GHSA-5vqw-wppf-x433",
"modified": "2025-11-04T00:31:10Z",
"published": "2024-08-07T18:30:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42232"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1177afeca833174ba83504688eec898c6214f4bf"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/20cf67dcb7db842f941eff1af6ee5e9dc41796d7"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2d33654d40a05afd91ab24c9a73ab512a0670a9a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/33d38c5da17f8db2d80e811b7829d2822c10625e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/34b76d1922e41da1fa73d43b764cddd82ac9733c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/63e5d035e3a7ab7412a008f202633c5e6a0a28ea"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/69c7b2fe4c9cc1d3b1186d1c5606627ecf0de883"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9525af1f58f67df387768770fcf6d6a8f23aee3d"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5VRC-4FJ4-9CMH
Vulnerability from github – Published: 2026-05-11 21:31 – Updated: 2026-05-12 15:31A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination.
{
"affected": [],
"aliases": [
"CVE-2026-28969"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-11T21:18:57Z",
"severity": "HIGH"
},
"details": "A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination.",
"id": "GHSA-5vrc-4fj4-9cmh",
"modified": "2026-05-12T15:31:34Z",
"published": "2026-05-11T21:31:39Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28969"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127110"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127111"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127115"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127116"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127117"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127118"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127119"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127120"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-5VWC-PX2M-7JXG
Vulnerability from github – Published: 2025-04-08 18:34 – Updated: 2025-04-08 18:34Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
{
"affected": [],
"aliases": [
"CVE-2025-27749"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-08T18:16:04Z",
"severity": "HIGH"
},
"details": "Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.",
"id": "GHSA-5vwc-px2m-7jxg",
"modified": "2025-04-08T18:34:56Z",
"published": "2025-04-08T18:34:56Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27749"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27749"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5VWG-96Q8-MM82
Vulnerability from github – Published: 2025-04-16 15:34 – Updated: 2025-05-06 18:30In the Linux kernel, the following vulnerability has been resolved:
ublk: make sure ubq->canceling is set when queue is frozen
Now ublk driver depends on ubq->canceling for deciding if the request
can be dispatched via uring_cmd & io_uring_cmd_complete_in_task().
Once ubq->canceling is set, the uring_cmd can be done via ublk_cancel_cmd() and io_uring_cmd_done().
So set ubq->canceling when queue is frozen, this way makes sure that the flag can be observed from ublk_queue_rq() reliably, and avoids use-after-free on uring_cmd.
{
"affected": [],
"aliases": [
"CVE-2025-22068"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-16T15:16:01Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nublk: make sure ubq-\u003ecanceling is set when queue is frozen\n\nNow ublk driver depends on `ubq-\u003ecanceling` for deciding if the request\ncan be dispatched via uring_cmd \u0026 io_uring_cmd_complete_in_task().\n\nOnce ubq-\u003ecanceling is set, the uring_cmd can be done via ublk_cancel_cmd()\nand io_uring_cmd_done().\n\nSo set ubq-\u003ecanceling when queue is frozen, this way makes sure that the\nflag can be observed from ublk_queue_rq() reliably, and avoids\nuse-after-free on uring_cmd.",
"id": "GHSA-5vwg-96q8-mm82",
"modified": "2025-05-06T18:30:36Z",
"published": "2025-04-16T15:34:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-22068"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/5491400589e7572c2d2627ed6384302f7672aa1d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7e3497d7dacb5aee69dd9be842b778083cae0e75"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/8741d0737921ec1c03cf59aebf4d01400c2b461a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9158359015f0eda00e521e35b7bc7ebce176aebf"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5VWX-FW27-CQ5J
Vulnerability from github – Published: 2026-06-05 00:31 – Updated: 2026-06-05 03:31Use after free in Ozone in Google Chrome on Linux prior to 149.0.7827.53 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 security severity: Critical)
{
"affected": [],
"aliases": [
"CVE-2026-10899"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-04T23:16:51Z",
"severity": "HIGH"
},
"details": "Use after free in Ozone in Google Chrome on Linux prior to 149.0.7827.53 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 security severity: Critical)",
"id": "GHSA-5vwx-fw27-cq5j",
"modified": "2026-06-05T03:31:30Z",
"published": "2026-06-05T00:31:37Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-10899"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/516653777"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5VXR-WR7M-X3P3
Vulnerability from github – Published: 2025-09-16 15:32 – Updated: 2025-11-03 21:34This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
{
"affected": [],
"aliases": [
"CVE-2025-10527"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-09-16T13:15:44Z",
"severity": "HIGH"
},
"details": "This vulnerability affects Firefox \u003c 143, Firefox ESR \u003c 140.3, Thunderbird \u003c 143, and Thunderbird \u003c 140.3.",
"id": "GHSA-5vxr-wr7m-x3p3",
"modified": "2025-11-03T21:34:34Z",
"published": "2025-09-16T15:32:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-10527"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1984825"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2025-73"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2025-75"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2025-77"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2025-78"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-5W28-WVM6-XF4J
Vulnerability from github – Published: 2026-02-10 18:30 – Updated: 2026-02-10 18:30Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
{
"affected": [],
"aliases": [
"CVE-2026-21242"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-02-10T18:16:25Z",
"severity": "HIGH"
},
"details": "Use after free in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-5w28-wvm6-xf4j",
"modified": "2026-02-10T18:30:41Z",
"published": "2026-02-10T18:30:41Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21242"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21242"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-5W5G-2R2H-2CJ2
Vulnerability from github – Published: 2022-05-24 17:34 – Updated: 2023-05-24 15:30libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.
{
"affected": [],
"aliases": [
"CVE-2020-28951"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-11-19T19:15:00Z",
"severity": "CRITICAL"
},
"details": "libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.",
"id": "GHSA-5w5g-2r2h-2cj2",
"modified": "2023-05-24T15:30:26Z",
"published": "2022-05-24T17:34:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28951"
},
{
"type": "WEB",
"url": "https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=5625f5bc36954d644cb80adf8de47854c65d91c3"
},
{
"type": "WEB",
"url": "https://git.openwrt.org/?p=openwrt/openwrt.git;a=log;h=refs/tags/v18.06.9"
},
{
"type": "WEB",
"url": "https://git.openwrt.org/?p=project/uci.git;a=commit;h=a3e650911f5e6f67dcff09974df3775dfd615da6"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
Strategy: Attack Surface Reduction
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.
No CAPEC attack patterns related to this CWE.