USN-4460-1: Oniguruma vulnerabilities

It was discovered that Oniguruma incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information or other unspecified impact. CVE-2019-16163, CVE-2019-19012, CVE-2019-19204, CVE-2019-19246...

USN-4457-2: Software Properties vulnerability

USN-4457-1 fixed a vulnerability in Software. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jason A. Donenfeld discovered that Software Properties incorrectly filtered certain escape sequences when displaying PPA descriptions. If a user were tricke...

USN-4456-2: Dovecot vulnerabilities

USN-4456-1 fixed several vulnerabilities in Dovecot. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that Dovecot incorrectly handled deeply nested MIME parts. A remote attacker could possibly use this issue to cause Dovecot to...

USN-4459-1: Salt vulnerabilities

It was discovered that Salt allows remote attackers to determine which files exist on the server. An attacker could use that to extract sensitive information. CVE-2018-15750 It was discovered that Salt has a vulnerability that allows an user to bypass authentication. An attacker could use that to...

USN-4458-1: Apache HTTP Server vulnerabilities

Fabrice Perez discovered that the Apache modrewrite module incorrectly handled certain redirects. A remote attacker could possibly use this issue to perform redirects to an unexpected URL. CVE-2020-1927 Chamal De Silva discovered that the Apache modproxyftp module incorrectly handled memory when...

USN-4456-1: Dovecot vulnerabilities

It was discovered that Dovecot incorrectly handled deeply nested MIME parts. A remote attacker could possibly use this issue to cause Dovecot to consume resources, resulting in a denial of service. CVE-2020-12100 It was discovered that Dovecot incorrectly handled memory when using NTLM. A remote...

USN-4454-2: Samba vulnerability

USN-4454-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT...

USN-4454-1: Samba vulnerability

Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT server. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service...

USN-4451-1: ppp vulnerability

Thomas Chauchefoin working with Trend Micro´s Zero Day Initiative, discovered that ppp incorrectly handled module loading. A local attacker could use this issue to load arbitrary kernel modules and possibly execute arbitrary code...

USN-4446-1: Squid vulnerabilities

Jeriko One discovered that Squid incorrectly handled caching certain requests. A remote attacker could possibly use this issue to perform cache-injection attacks or gain access to reverse proxy features such as ESI. CVE-2019-12520 Jeriko One and Kristoffer Danielsson discovered that Squid...

USN-4440-1: linux kernel vulnerabilities

It was discovered that the network block device nbd implementation in the Linux kernel did not properly check for error conditions in some situations. An attacker could possibly use this to cause a denial of service system crash. CVE-2019-16089 It was discovered that the kernel-user space relay...

USN-4442-1: Sympa vulnerabilities

Michael Kaczmarczik discovered that Sympa incorrectly handled HTTP GET/POST requests. An attacker could possibly use this issue to insert, edit or obtain sensitive information. CVE-2018-1000550 It was discovered that Sympa incorrectly handled URL parameters. An attacker could possibly use this...

USN-4426-1: Linux kernel vulnerabilities

Jason A. Donenfeld discovered that the ACPI implementation in the Linux kernel did not properly restrict loading SSDT code from an EFI variable. A privileged attacker could use this to bypass Secure Boot lockdown restrictions and execute arbitrary code in the kernel. CVE-2019-20908 Fan Yang...

USN-4439-1: Linux kernel vulnerabilities

It was discovered that the network block device nbd implementation in the Linux kernel did not properly check for error conditions in some situations. An attacker could possibly use this to cause a denial of service system crash. CVE-2019-16089 It was discovered that the btrfs file system...

USN-4435-2: ClamAV vulnerabilities

USN-4435-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that ClamAV incorrectly handled parsing ARJ archives. A remote attacker could possibly use this issue to cause...

USN-4429-1: Evolution Data Server vulnerability

It was discovered that Evolution Data Server incorrectly handled STARTTLS when using SMTP and POP3. A remote attacker could possibly use this issue to perform a response injection attack...

USN-4199-2: libvpx vulnerabilities

USN-4199-1 fixed several vulnerabilities in libvpx. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that libvpx did not properly handle certain malformed WebM media files. If an application using libvpx opened a specially crafted We...

USN-4424-1: snapd vulnerabilities

It was discovered that cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices ran on every boot without restrictions. A physical attacker could exploit this to craft cloud-init user-data/meta-data via external media to perform arbitrary changes on the device to bypass intende...

USN-4376-2 openssl vulnerabilities

USN-4376-1 fixed several vulnerabilities in OpenSSL. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Cesar Pereida García, Sohaib ul Hassan, Nicola Tuveri, Iaroslav Gridin, Alejandro Cabrera Aldaya, and Billy Brumley discovered...

USN-4419-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the Precision Time Protocol PTP implementation in the Linux kernel, leading to a use-after- free vulnerability. A local attacker could possibly use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-10690...