https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 22:38:52 +0000 https://vulnerability.circl.lu/vuln/cve-2026-9539 <p><strong>Affected:</strong> freedesktop.org libslirp</p> <p>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 CAP_NET_RAW) to leak gigabytes of sensitive host-process heap memory via sending crafted TCP segments with manipulated URG flags and urgent pointers (ti_urp).</p> <p><strong>Affected:</strong> freedesktop.org libslirp</p> <p>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 CAP_NET_RAW) to leak gigabytes of sensitive host-process heap memory via sending crafted TCP segments with manipulated URG flags and urgent pointers (ti_urp).</p> https://vulnerability.circl.lu/vuln/cve-2026-9539 https://vulnerability.circl.lu/vuln/usn-8550-1 <p><strong>Affected:</strong> Ubuntu:22.04:LTS: libslirp, Ubuntu:24.04:LTS: libslirp, Ubuntu:26.04:LTS: libslirp</p> <p>It was discovered that libslirp incorrectly handled TCP urgent data. A privileged attacker inside a guest VM could possibly use this issue to obtain sensitive information from the host process memory.</p> <p><strong>Affected:</strong> Ubuntu:22.04:LTS: libslirp, Ubuntu:24.04:LTS: libslirp, Ubuntu:26.04:LTS: libslirp</p> <p>It was discovered that libslirp incorrectly handled TCP urgent data. A privileged attacker inside a guest VM could possibly use this issue to obtain sensitive information from the host process memory.</p> https://vulnerability.circl.lu/vuln/usn-8550-1