EUVD-2026-62349

The ISO-2022 encoding module used a stack buffer sized to MBLENMAX 6 bytes for intermediate character output. Some ISO-2022 variants can require up to 10 bytes per character, in which case conversions can trigger a stack buffer overflow of up to four bytes. An application that uses iconv3 to...

CVE-2026-58082 Stack based buffer overflow in iconv(3)

The ISO-2022 encoding module used a stack buffer sized to MBLENMAX 6 bytes for intermediate character output. Some ISO-2022 variants can require up to 10 bytes per character, in which case conversions can trigger a stack buffer overflow of up to four bytes. An application that uses iconv3 to...

CVE-2026-58082

A stack-based buffer overflow exists in the iconv(3) library's ISO-2022 encoding module on FreeBSD . The module uses a stack buffer sized to MB_LEN_MAX (6 bytes) for intermediate character output, but certain ISO-2022 variants require up to 10 bytes per character, triggering a potential overflow ...

CVE-2026-49425 Kernel stack disclosure in 32-bit compatibility support

The compat32 kevent handler translates a 64-bit kevent struct into a stack- declared 32-bit struct. It did not first zero the stack struct. An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information...

CVE-2026-49425 Kernel stack disclosure in 32-bit compatibility support

The compat32 kevent handler translates a 64-bit kevent struct into a stack- declared 32-bit struct. It did not first zero the stack struct. An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information...

CVE-2026-49425

The FreeBSD kernel's compat32 subsystem contains a vulnerability in the kevent() handler. When translating a 64-bit kevent struct into a stack-declared 32-bit struct, the handler fails to zero the stack struct first. This use of an uninitialized variable allows an unprivileged user to observe a s...

EUVD-2026-62346

The compat32 kevent handler translates a 64-bit kevent struct into a stack- declared 32-bit struct. It did not first zero the stack struct. An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information...

CVE-2026-49425

The compat32 kevent handler translates a 64-bit kevent struct into a stack- declared 32-bit struct. It did not first zero the stack struct. An unprivileged user may observe a small amount of uninitialized kernel stack data, which may contain sensitive information...

CVE-2026-49424

The Linuxulator (Linux binary compatibility layer) in FreeBSD kernels contains a kernel stack disclosure vulnerability in the waitid() system call implementation. The flaw occurs because the implementation translates a FreeBSD siginfo_t struct into a stack-declared Linux siginfo_t struct without ...

CVE-2026-49424

The Linux waitid implementation translates a FreeBSD siginfot struct into a stack-declared Linux siginfot. It did not first zero the stack struct. An unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information...

CVE-2026-49424 Kernel stack disclosure in Linux compatibility layer

The Linux waitid implementation translates a FreeBSD siginfot struct into a stack-declared Linux siginfot. It did not first zero the stack struct. An unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information...

CVE-2026-49424 Kernel stack disclosure in Linux compatibility layer

The Linux waitid implementation translates a FreeBSD siginfot struct into a stack-declared Linux siginfot. It did not first zero the stack struct. An unprivileged user may observe 104 bytes of uninitialized kernel stack data, which may contain sensitive information...

CVE-2026-49422

The RACK setsockopt2 handler drops the connection lock in order to copy option data from userspace, then reacquires the lock. After reacquiring, it verifies that the TCP stack had not been switched away, but did not reload its pointer to the stack's per-connection control block. If userspace...

CVE-2026-49420

The RTSP handler in libalias rewrote outgoing packets into a fixed-length stack buffer without checking whether the rewritten data fit in the buffer, or whether the result fit back in the original packet. A host sending crafted RTSP traffic from inside a NAT gateway using libalias can overflow a...

gstreamer1-plugins-bad-free: gstreamer: DTLS certificate Subject DN stack buffer overflow in openssl_verify_callback

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

Important: Red Hat Security Advisory: gstreamer1-plugins-bad-free security update

An update for gstreamer1-plugins-bad-free is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. ...

EUVD-2026-62244

The RACK setsockopt2 handler drops the connection lock in order to copy option data from userspace, then reacquires the lock. After reacquiring, it verifies that the TCP stack had not been switched away, but did not reload its pointer to the stack's per-connection control block. If userspace...

EUVD-2026-62242

The RTSP handler in libalias rewrote outgoing packets into a fixed-length stack buffer without checking whether the rewritten data fit in the buffer, or whether the result fit back in the original packet. A host sending crafted RTSP traffic from inside a NAT gateway using libalias can overflow a...

CVE-2026-49420

The libalias library in FreeBSD contains a buffer overflow vulnerability in its RTSP handler . The flaw occurs because outgoing packets are rewritten into a fixed-length stack buffer without verifying if the rewritten data fits within the buffer or the original packet. A host sending crafted RTSP...

CVE-2026-49420

The RTSP handler in libalias rewrote outgoing packets into a fixed-length stack buffer without checking whether the rewritten data fit in the buffer, or whether the result fit back in the original packet. A host sending crafted RTSP traffic from inside a NAT gateway using libalias can overflow a...