Ubuntu Security Notice 4656-1 - Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could possibly use this issue to escalate privileges.
93853767d560545b7dd82c968276953fUbuntu Security Notice 4655-1 - It was discovered that Werkzeug has insufficient debugger PIN randomness. An attacker could use this issue to access sensitive information. This issue only affected Ubuntu 18.04 LTS. It was discovered that Werkzeug incorrectly handled certain URLs. An attacker could possibly use this issue to cause phishing attacks. This issue only affected Ubuntu 16.04 LTS.
ce431abe7eb561d35f930c7d3b02aba5Ubuntu Security Notice 4654-1 - It was discovered that PEAR incorrectly sanitized filenames. A remote attacker could possibly use this issue to execute arbitrary code.
82c82cbd2ddeecdab18d7a3219f64cceUbuntu Security Notice 4653-1 - It was discovered that access controls for the shim’s API socket did not restrict access to the abstract unix domain socket in some cases. An attacker could use this vulnerability to run containers with elevated privileges.
8ecc1fa869b3211bbb093ef90ef1a0f9Ubuntu Security Notice 4652-1 - It was discovered that SniffIt incorrectly handled certain configuration files. An attacker could possibly use this issue to execute arbitrary code.
6a7456d4d7b6165153389916c139259aUbuntu Security Notice 4651-1 - Tom Reynolds discovered that due to a packaging error, the MySQL X Plugin was listening to all network interfaces by default, contrary to expectations. This update changes the default MySQL configuration to bind the MySQL X Plugin to localhost only. This change may impact environments where the MySQL X Plugin needs to be accessible from the network. The mysqlx-bind-address setting in the /etc/mysql/mysql.conf.d/mysqld.cnf file can be modified to allow network access. Various other issues were also addressed.
61f4c1253072775bddb79c85206628a7Ubuntu Security Notice 4650-1 - Alexander Bulekov discovered that QEMU incorrectly handled SDHCI device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. Sergej Schumilo, Cornelius Aschermann, and Simon Wrner discovered that QEMU incorrectly handled USB device emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Various other issues were also addressed.
637bf499dd94b75eea9e3371d70add3aUbuntu Security Notice 4646-2 - USN-4646-1 fixed vulnerabilities in poppler. The fix for CVE-2019-10871 introduced a regression causing certain applications linked against poppler to fail. This update backs out the fix pending further investigation. It was discovered that Poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service. Various other issues were also addressed.
0b505ce3fcb8bc020d54095819e940faUbuntu Security Notice 4649-1 - Jens Mueller discovered that xdg-utils incorrectly handled certain URI. An attacker could possibly use this issue to expose sensitive information.
595ba1096ac8463cb7b849752a0852e7Ubuntu Security Notice 4382-2 - It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code.
6a358e6b9c45a8fd4d61e8756172aeecUbuntu Security Notice 4645-1 - It was discovered that Mutt incorrectly handled certain connections. An attacker could possibly use this issue to expose sensitive information.
cd283da3bb2392abd24e2909c62ed5d2Ubuntu Security Notice 4647-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across origins, bypass security restrictions, conduct phishing attacks, conduct cross-site scripting attacks, bypass Content Security Policy restrictions, conduct DNS rebinding attacks, or execute arbitrary code.
662abdc998a96f824b8b60a609daef62Ubuntu Security Notice 4648-1 - A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.
6fe24a2351dd3e1ef847961c9f674d37Ubuntu Security Notice 4646-1 - It was discovered that Poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service.
7cf4344708476bc2707af653630128ceUbuntu Security Notice 4644-1 - It was discovered that igraph mishandled certain malformed XML. An attacker could use this vulnerability to cause a denial of service.
a0fa8d720ad6105276d63d5678047877Ubuntu Security Notice 4643-1 - It was discovered that atftp's FTP server did not properly handler certain input. An attacker could use this to to cause a denial of service or possibly execute arbitrary code. It was discovered that atftp's FTP server did not make proper use of mutexes when locking certain data structures. An attacker could use this to cause a denial of service via a NULL pointer dereference.
bcc71db7af3bff7d8c36dc1d56b825feUbuntu Security Notice 4642-1 - It was discovered that PDFResurrect incorrectly handled certain memory operations during PDF summary generation. An attacker could use this to cause out-of-bounds writes, resulting in a denial of service or arbitrary code execution.
e238caa5145e021e67c028deec6d2611Ubuntu Security Notice 4641-1 - It was discovered that Libextractor incorrectly handled zero sample rate. An attacker could possibly use this issue to cause a denial of service. It was discovered that Libextractor incorrectly handled certain FLAC metadata. An attacker could possibly use this issue to cause a denial of service. It was discovered that Libextractor incorrectly handled certain specially crafted files. An attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.
c82046881c21e0f0f413cda7a060a88cUbuntu Security Notice 4640-1 - James Henstridge discovered that an Ubuntu-specific patch caused PulseAudio to incorrectly handle snap client connections. An attacker could possibly use this to expose sensitive information.
01f23d1d42f39796f71058404633153aUbuntu Security Notice 4634-2 - USN-4634-1 fixed several vulnerabilities in OpenLDAP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. It was discovered that OpenLDAP incorrectly handled certain malformed inputs. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service. Various other issues were also addressed.
39cf896ad02b5474669afbc680180429Ubuntu Security Notice 4637-2 - USN-4637-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Ubuntu 16.04 LTS. Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across origins, bypass security restrictions, conduct phishing attacks, conduct cross-site scripting attacks, bypass Content Security Policy restrictions, conduct DNS rebinding attacks, or execute arbitrary code. Various other issues were also addressed.
8c15181a66199d7dd9ff0f8f1e832367Ubuntu Security Notice 4639-1 - It was discovered that there was a bug in the way phpMyAdmin handles the phpMyAdmin Configuration Storage tables. An authenticated attacker could use this vulnerability to cause phpmyAdmin to leak sensitive files. It was discovered that phpMyAdmin incorrectly handled user input. An attacker could possibly use this for an XSS attack. It was discovered that phpMyAdmin mishandled certain input. An attacker could use this vulnerability to execute a cross-site scripting attack via a crafted URL. Various other issues were also addressed.
987b9306d8cf4bbb6a8d5707c284904dUbuntu Security Notice 4638-1 - It was discovered that c-ares incorrectly handled certain DNS requests. An attacker could possibly use this issue to cause a denial of service.
44f58c24d1c620f3c03815521bb69811Ubuntu Security Notice 4637-1 - Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across origins, bypass security restrictions, conduct phishing attacks, conduct cross-site scripting attacks, bypass Content Security Policy restrictions, conduct DNS rebinding attacks, or execute arbitrary code.
08275d480c462e399d22748a92c497efUbuntu Security Notice 4636-1 - It was discovered that LibVNCServer incorrectly handled certain internals. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Vino package ships with a LibVNCServer source and all listed releases were affected for this package.
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