CVE WatchOct 15, 2026

CVE-2026-58100

kqueue_fork_copy_knote() indexed into the child's file descriptor table using a knote's file descriptor number without a bounds check. Beca

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

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0-100

Published: Oct 15, 2026 · Last modified: Oct 15, 2026 · CWE-125 · CWE-362

EPSS · 30d

Not enough EPSS history yet.

Technical description

kqueue_fork_copy_knote() indexed into the child's file descriptor table using a knote's file descriptor number without a bounds check. Because the child's table is copied before knotes are transferred, a concurrent thread in the parent could grow the parent's table and register knotes with file descriptor numbers beyond the end of the child's table, causing an out-of-bounds read. An unprivileged local user may be able to exploit these races to escalate privileges.

Official references

security.freebsd.orghttps://security.freebsd.org/advisories/FreeBSD-SA-26:65.kqueue.asc

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-58099—

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———When copying knotes from a parent kqueue to a child, the copy code did not correctly exclude marker knotes (used internally to track list traversal position) before marking them as in-flux and releasing the kqueue lock. If another thread freed a marker while the lock was dropped, the subsequent in-flux decrement operated on freed memory. An unprivileged local user may be able to exploit these races to escalate privileges.2h CVE-2026-766675.7 MED

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———A security vulnerability in HPE NonStop EXPAND may result in out-of-bounds memory read.4h CVE-2026-766664.7 MED

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———A security vulnerability in HPE NonStop EXPAND may result in out-of-bounds memory read.4h CVE-2026-766657.1 HIG

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———A security vulnerability in HPE NonStop EXPAND may cause out-of-bounds memory read resulting in buffer overflow.4h CVE-2026-766646.4 MED

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———A security vulnerability in HPE NonStop EXPAND may result in out-of-bounds memory read/write operations5h CVE-2026-1108102.8 LOW

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——0A vulnerability was detected in ggml-org whisper.cpp up to 1.9.4. This affects the function whisper_model_load of the file src/whisper.cpp of the component Model Loader. Performing a manipulation of the argument ttype results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. Upgrading to version 1.9.5 is able to mitigate this issue. The patch is named 60c0be6ac8fa71b1a2ae2dd938a31a34a508e774. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.8h