#ubuntu

Ubuntu Security Notice 6814-1 - Xiantong Hou discovered that libvpx did not properly handle certain malformed media files. If an application using libvpx opened a specially crafted file, a remote attacker could cause a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 6813-1 - It was discovered that the Hotspot component of OpenJDK 21 incorrectly handled certain exceptions with specially crafted long messages. An attacker could possibly use this issue to cause a denial of service. It was discovered that OpenJDK 21 incorrectly performed reverse DNS query under certain circumstances in the Networking/HTTP client component. An attacker could possibly use this issue to obtain sensitive information.

Ubuntu Security Notice 6567-2 - USN-6567-1 fixed vulnerabilities QEMU. The fix for CVE-2023-2861 was too restrictive and introduced a behavior change leading to a regression in certain environments. This update fixes the problem. Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the USB xHCI controller device. A privileged guest attacker could possibly use this issue to cause QEMU to crash, leading to a denial of service. Various other issues were also addressed.

Ubuntu Security Notice 6809-1 - It was discovered that BlueZ could be made to dereference invalid memory. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 22.04 LTS. It was discovered that BlueZ could be made to write out of bounds. If a user were tricked into connecting to a malicious device, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Ubuntu Security Notice 6812-1 - It was discovered that the Hotspot component of OpenJDK 17 incorrectly handled certain exceptions with specially crafted long messages. An attacker could possibly use this issue to cause a denial of service. It was discovered that OpenJDK 17 incorrectly performed reverse DNS query under certain circumstances in the Networking/HTTP client component. An attacker could possibly use this issue to obtain sensitive information.

Ubuntu Security Notice 6811-1 - It was discovered that the Hotspot component of OpenJDK 11 incorrectly handled certain exceptions with specially crafted long messages. An attacker could possibly use this issue to cause a denial of service. It was discovered that OpenJDK 11 incorrectly performed reverse DNS query under certain circumstances in the Networking/HTTP client component. An attacker could possibly use this issue to obtain sensitive information.

Ubuntu Security Notice 6810-1 - It was discovered that the Hotspot component of OpenJDK 8 incorrectly handled certain exceptions with specially crafted long messages. An attacker could possibly use this issue to cause a denial of service. Vladimir Kondratyev discovered that the Hotspot component of OpenJDK 8 incorrectly handled address offset calculations in the C1 compiler. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Ubuntu Security Notice 6808-1 - It was discovered that Atril was vulnerable to a path traversal attack. An attacker could possibly use this vulnerability to create arbitrary files on the host filesystem with user privileges.

Ubuntu Security Notice 6804-1 - It was discovered that GNU C Library nscd daemon contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service. It was discovered that GNU C Library nscd daemon did not properly check the cache content, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice 6803-1 - Zeng Yunxiang and Song Jiaxuan discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 24.04 LTS. Zeng Yunxiang and Song Jiaxuan discovered that FFmpeg incorrectly handled certain input files. An attacker could possibly use this issue to cause FFmpeg to crash, resulting in a denial of service, or potential arbitrary code execution. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.10 and Ubuntu 24.04 LTS.