SUSE-SU-2026:2931-1 Security update for libslirp

This update for libslirp fixes the following issues: - CVE-2026-9539: TCP URG out of bounds heap read information leak bsc1268903...

SUSE-SU-2026:2886-1 Security update for libslirp

This update for libslirp fixes the following issues: - CVE-2026-9539: TCP URG out of bounds heap read information leak bsc1268903...

SUSE-SU-2026:22514-1 Security update for libslirp

This update for libslirp fixes the following issue - CVE-2026-9539: TCP URG out of bounds heap read information leak bsc1268903...

OPENSUSE-SU-2026:21216-1 Security update for libslirp

This update for libslirp fixes the following issue - CVE-2026-9539: TCP URG out of bounds heap read information leak bsc1268903...

SUSE-SU-2026:22452-1 Security update for libslirp

This update for libslirp fixes the following issue - CVE-2026-9539: TCP URG out of bounds heap read information leak bsc1268903...

libslirp TCP URG OOB Read Information Leak

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OPENSUSE-SU-2026:11134-1 libslirp-devel-4.9.3+4-1.1 on GA media

These are all security issues fixed in the libslirp-devel-4.9.3+4-1.1 package on the GA media of openSUSE Tumbleweed...

SUSE CVE-2026-9539

An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments e.g., QEMU allows a privileged guest VM attacker root or CAPNETRAW to leak gigabytes of sensitive host-process heap memory v...

CVE-2026-9539

An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments e.g., QEMU allows a privileged guest VM attacker root or CAPNETRAW to leak gigabytes of sensitive host-process heap memory v...

UBUNTU-CVE-2026-9539

An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments e.g., QEMU allows a privileged guest VM attacker root or CAPNETRAW to leak gigabytes of sensitive host-process heap memory v...

CVE-2026-9539

CVE-2026-9539 affects freedesktop.org libslirp (prior to v4.9.2) used on hypervisor host environments (e.g., QEMU). A vulnerability in the TCP urgent data handling (sosendoob) can cause an out-of-bounds heap read and integer underflow, enabling a privileged guest VM attacker (root or CAP_NET_RAW)...

CVE-2026-9539 libslirp TCP URG OOB Read Information Leak

An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments e.g., QEMU allows a privileged guest VM attacker root or CAPNETRAW to leak gigabytes of sensitive host-process heap memory v...

CVE-2026-9539 libslirp TCP URG OOB Read Information Leak

An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments e.g., QEMU allows a privileged guest VM attacker root or CAPNETRAW to leak gigabytes of sensitive host-process heap memory v...

PT-2026-51663

Name of the Vulnerable Software and Affected Versions libslirp versions prior to v4.9.2 Description An integer underflow and out-of-bounds heap read exist in the TCP urgent data handling sosendoob within hypervisor host environments, such as QEMU. A privileged guest VM attacker with root or CAP N...

Linux Distros Unpatched Vulnerability : CVE-2026-9539

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An out-of-bounds heap read and integer underflow in the TCP urgent data handling sosendoob in freedesktop.org libslirp version before v4.9.2 on hypervisor host...

Astra Linux – Vulnerability in libslirp

An invalid pointer initialization issue was discovered in the SLiRP networking implementation of QEMU. The flaw exists in the udpinput function and can occur when processing an UDP packet that is smaller than the size of the ‘udphdr’ structure. This issue may lead to out-of-bounds read access or...

Astra Linux – Vulnerability in libslirp

An invalid pointer initialization issue was discovered in the SLiRP networking implementation of QEMU. The flaw exists in the udp6input function and can occur when processing an UDP packet that is smaller than the size of the ‘udphdr’ structure. This issue may lead to out-of-bounds read access or...

Astra Linux – Vulnerability in libslirp

In slirp.c within libslirp up to version 4.3.1, there is an issue with buffer over-reading. This occurs because the code attempts to read a certain amount of header data, even if that amount exceeds the total packet length...

Astra Linux – Vulnerability in libslirp

In ncsi.c within libslirp up to 4.3.1, there is an issue of buffer over-reading. This occurs because the program attempts to read a certain amount of header data, even when that amount exceeds the total packet length...

Important: Red Hat Security Advisory: gvisor-tap-vsock security update

An update for gvisor-tap-vsock is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...