USN-4280-1: ClamAV vulnerability

It was discovered that ClamAV incorrectly handled memory when the Data-Loss-Prevention DLP feature was enabled. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service...

USN-4279-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. CVE-2015-9253 It was discovered that PHP incorrectly handled certain inputs. An...

USN-4278-1: Firefox vulnerabilities

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, conduct cross-site scripting XSS attacks, or execute arbitrary code...

USN-4277-1: libexif vulnerabilities

Liu Bingchang discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information or cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. CVE-2016-6328 Lili Xu and Bingchang Li...

USN-4276-1: Yubico PIV Tool vulnerabilities

It was discovered that libykpiv, a supporting library of the Yubico PIV Tool and YubiKey PIV Manager, mishandled specially crafted input. An attacker with a custom-made, malicious USB device could potentially execute arbitrary code on a computer running the Yubico PIV Tool or Yubikey PIV Manager...

USN-4274-1: libxml2 vulnerabilities

It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a denial of service. CVE-2019-19956, CVE-2020-7595...

USN-4275-1: Qt vulnerabilities

It was discovered that Qt incorrectly handled certain PPM images. If a user or automated system were tricked into opening a specially crafted PPM file, a remote attacker could cause Qt to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS...

USN-4250-2: MariaDB vulnerability

It was discovered that an unspecified vulnerability existed in the C API component of MariaDB. An attacker could use this to cause a denial of service for MariaDB clients. MariaDB has been updated to 10.3.22 in Ubuntu 19.10 and 10.1.44 in Ubuntu 18.04 LTS. In addition to security fixes, the updat...

USN-4273-1: ReportLab vulnerability

It was discovered that ReportLab incorrectly handled certain XML documents. If a user or automated system were tricked into processing a specially crafted document, a remote attacker could possibly use this issue to execute arbitrary code...

USN-4272-1: Pillow vulnerabilities

It was discovered that Pillow incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. CVE-2019-16865, CVE-2019-19911 It was discovered that Pillow incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary...

USN-4271-1: Mesa vulnerability

Tim Brown discovered that Mesa incorrectly handled shared memory permissions. A local attacker could use this issue to obtain and possibly alter sensitive information belonging to another user...

USN-4270-1: Exiv2 vulnerability

It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service...

USN-4269-1: systemd vulnerabilities

It was discovered that systemd incorrectly handled certain PIDFile files. A local attacker could possibly use this issue to trick systemd into killing privileged processes. This issue only affected Ubuntu 16.04 LTS. CVE-2018-16888 It was discovered that systemd incorrectly handled certain udevadm...

USN-4268-1: OpenSMTPD vulnerability

It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could use this vulnerability to execute arbitrary commands as root...

USN-4263-2: Sudo vulnerability

USN-4263-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibl...

USN-4267-1: ARM mbed TLS vulnerabilities

It was discovered that mbedtls has a bounds-check bypass through an integer overflow that can be used by an attacked to execute arbitrary code or cause a denial of service. CVE-2017-18187 It was discovered that mbedtls has a vulnerability where an attacker could execute arbitrary code or cause a...

USN-4266-1: GraphicsMagick vulnerabilities

It was discovered that GraphicsMagick incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-4265-2: SpamAssassin vulnerabilities

USN-4265-1 fixed several vulnerabilities in SpamAssassin. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: It was discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a...

USN-4265-1: SpamAssassin vulnerabilities

It was discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a specially-crafted CF file, a remote attacker could possibly run arbitrary code...

USN-4264-1: Django vulnerability

Simon Charette discovered that Django incorrectly handled input in the PostgreSQL module. A remote attacker could possibly use this to perform SQL injection attacks...

USN-4263-1: Sudo vulnerability

Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibly use this issue to obtain unintended access to the administrator account...

USN-4234-2: Firefox regressions

USN-4234-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafte...

USN-4262-1: OpenStack Keystone vulnerability

Daniel Preussker discovered that OpenStack Keystone incorrectly handled the list credentials API. A user with a role on the project could use this issue to view any other user's credentials...

USN-4261-1: WebKitGTK+ vulnerabilities

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...

USN-4259-1: Apache Solr vulnerability

Michael Stepankin and Olga Barinova discovered that Apache Solr was vulnerable to an XXE attack. An attacker could use this vulnerability to remotely execute code...

USN-4254-2: Linux kernel (Xenial HWE) vulnerabilities

USN-4254-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. It was discovered that the Linux kernel did not properly clear data structures on...

USN-4258-1: Linux kernel vulnerabilities

It was discovered that the Atheros 802.11ac wireless USB device driver in the Linux kernel did not properly validate device metadata. A physically proximate attacker could use this to cause a denial of service system crash. CVE-2019-15099 It was discovered that a race condition existed in the...

USN-4253-2: Linux kernel (HWE) vulnerability

USN-4253-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 19.10 for Ubuntu 18.04 LTS. It was discovered that the Linux kernel did not properly clear data structures on context...

USN-4255-2: Linux kernel (HWE) vulnerabilities

USN-4255-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. It was discovered that the Linux kernel did not properly clear data structures on...

USN-4257-1: OpenJDK vulnerabilities

It was discovered that OpenJDK incorrectly handled exceptions during deserialization in BeanContextSupport. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. CVE-2020-2583 It was discovered that OpenJDK incorrectly validated properties of SASL...

USN-4236-3: Libgcrypt vulnerability

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover...

USN-4256-1: Cyrus SASL vulnerability

It was discovered that Cyrus SASL incorrectly handled certain LDAP packets. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service...

USN-4255-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. CVE-2019-14615 It was discovered that a race condition can lead to a use-after-free while...

USN-4254-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. CVE-2019-14615 It was discovered that a race condition existed in the Virtual Video Test Drive...

USN-4253-1: Linux kernel vulnerability

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information...

USN-4252-2: tcpdump vulnerabilities

USN-4252-1 fixed several vulnerabilities in tcpdump. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Multiple security issues were discovered in tcpdump. A remote attacker could use these issues to cause tcpdump to crash, resulti...

USN-4252-1: tcpdump vulnerabilities

Multiple security issues were discovered in tcpdump. A remote attacker could use these issues to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4251-1: Tomcat vulnerabilities

It was discovered that Tomcat incorrectly handled the RMI registry when configured with the JMX Remote Lifecycle Listener. A local attacker could possibly use this issue to obtain credentials and gain complete control over the Tomcat instance. CVE-2019-12418 It was discovered that Tomcat...

USN-4250-1: MySQL vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.19 in Ubuntu 19.10. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.29. In addition to security fixes, the updated package...

USN-4230-2: ClamAV vulnerability

USN-4230-1 fixed a vulnerability 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 certain MIME messages. A remote attacker could possibly use this issue to cause ClamAV ...

USN-4233-2: GnuTLS update

USN-4233-1 disabled SHA1 being used for digital signature operations in GnuTLS. In certain network environments, certificates using SHA1 may still be in use. This update adds the %VERIFYALLOWBROKEN and %VERIFYALLOWSIGNWITHSHA1 priority strings that can be used to temporarily re-enable SHA1 until...

USN-4247-3: python-apt vulnerabilities

USN-4247-1 fixed several vulnerabilities in python-apt. This update provides the corresponding updates for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that python-apt would still use MD5 hashes to validate certain downloaded packages. If a remote attacker...

USN-4249-1: e2fsprogs vulnerability

It was discovered that e2fsprogs incorrectly handled certain ext4 partitions. An attacker could possibly use this issue to execute arbitrary code...

USN-4247-2: python-apt regression

USN-4247-1 fixed vulnerabilities in python-apt. The updated packages caused a regression when attempting to upgrade to a new Ubuntu release. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that python-apt would still use MD5 hashes t...

USN-4246-1: zlib vulnerabilities

It was discovered that zlib incorrectly handled pointer arithmetic. An attacker could use this issue to cause zlib to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2016-9840, CVE-2016-9841 It was discovered that zlib incorrectly handled vectors involving left...

USN-4248-1: GraphicsMagick vulnerabilities

It was discovered that GraphicsMagick incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-4247-1: python-apt vulnerabilities

It was discovered that python-apt would still use MD5 hashes to validate certain downloaded packages. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could potentially be used to install altered packages. CVE-2019-15795 It was discovered that python-apt could...

USN-4245-1: PySAML2 vulnerability

It was discovered that PySAML2 incorrectly handled certain SAML files. An attacker could possibly use this issue to bypass signature verification with arbitrary data...

USN-4244-1: Samba vulnerabilities

It was discovered that Samba did not automatically replicate ACLs set to inherit down a subtree on AD Directory, contrary to expectations. This issue was only addressed in Ubuntu 18.04 LTS, Ubuntu 19.04 and Ubuntu 19.10. CVE-2019-14902 Robert Święcki discovered that Samba incorrectly handled...

USN-4243-1: libbsd vulnerabilities

It was discovered that libbsd incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 ESM. CVE-2016-2090 It was discovered that libbsd incorrectly handled certain strings. An attacker could possibly use this...