Linux Distros Unpatched Vulnerability : CVE-2026-115386

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fdreaddir implementation...

CVE-2026-115386

Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fdreaddir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of...

CVE-2026-115386

Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fdreaddir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of...

PT-2026-121564

Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd readdir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of...

Archives may contain uninitialized memory

rkyv is a serialization framework that writes struct-compatible memory to be stored or transmitted. During serialization, struct padding bytes and unused enum bytes may not be initialized. These bytes may be written to disk or sent over unsecured channels...

macOS - sysctl_vfs_generic_conf Stack Leak Through Struct Padding

macOS - sysctlvfsgenericconf Stack Leak Through Struct Padding / The sysctls vfs.generic.conf. are handled by sysctlvfsgenericconf, which is implemented as follows: static int sysctlvfsgenericconf SYSCTLHANDLERARGS int name, namelen; struct vfstable vfsp; struct vfsconf vfsc; voidoidp; name = arg...

macOS - sysctl_vfs_generic_conf Stack Leak Through Struct Padding Exploit

Exploit for macOS platform in category dos / poc / The sysctls vfs.generic.conf. are handled by sysctlvfsgenericconf, which is implemented as follows: static int sysctlvfsgenericconf SYSCTLHANDLERARGS int name, namelen; struct vfstable vfsp; struct vfsconf vfsc; voidoidp; name = arg1; namelen =...

macOS - 'sysctl_vfs_generic_conf' Stack Leak Through Struct Padding

/ The sysctls vfs.generic.conf. are handled by sysctlvfsgenericconf, which is implemented as follows: static int sysctlvfsgenericconf SYSCTLHANDLERARGS int name, namelen; struct vfstable vfsp; struct vfsconf vfsc; voidoidp; name = arg1; namelen = arg2; check for namelen==1 mountlistlock; for vfsp...

MacOS getrusage stack leak through struct padding(CVE-2017-13869)

For 64-bit processes, the getrusage syscall handler converts a struct rusage to a struct user64rusage using mungeuser64rusage, then copies the struct user64rusage to userspace: int getrusagestruct proc p, struct getrusageargs uap, unused int32t retval struct rusage rup, rubuf; struct user64rusage...

macOS getrusage Stack Leak

MacOS getrusage stack leak through struct padding CVE-2017-13869 For 64-bit processes, the getrusage syscall handler converts a struct rusage to a struct user64rusage using mungeuser64rusage, then copies the struct user64rusage to userspace: int getrusagestruct proc p, struct getrusageargs uap,...

Apple macOS - getrusage Stack Leak Through struct Padding

Apple macOS - getrusage Stack Leak Through struct Padding / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1405 For 64-bit processes, the getrusage syscall handler converts a struct rusage to a struct user64rusage using mungeuser64rusage, then copies the struct user64rusage to...

Apple macOS - 'getrusage' Stack Leak Through struct Padding

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1405 For 64-bit processes, the getrusage syscall handler converts a struct rusage to a struct user64rusage using mungeuser64rusage, then copies the struct user64rusage to userspace: int getrusagestruct proc p, struct getrusagearg...