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...

USN-4242-1: Sysstat vulnerabilities

It was discovered that Sysstat incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 19.04 and Ubuntu 19.10. CVE-2019-16167 It was discovered that Sysstat incorrectly handled certain inputs. An...

USN-4225-2: Linux kernel (HWE) vulnerabilities

USN-4225-1 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 a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for...

USN-4240-1: Kamailio vulnerability

It was discovered that Kamailio incorrectly handled a specially crafted file. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-4241-1: Thunderbird vulnerabilities

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

USN-4235-2: nginx vulnerability

USN-4235-1 fixed a vulnerability in nginx. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Bert JW Regeer and Francisco Oca Gonzalez discovered that nginx incorrectly handled certain errorpage configurations. A remote attacker could possibly use this...

USN-4221-2: libpcap vulnerability

USN-4221-1 fixed a vulnerability in libpcap. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of service memory...

USN-4239-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, 16.04 LTS, 18.04 LTS, 19.04 and 19.10. CVE-2019-11045 It was discovered that PHP incorrectly handled certain inputs. An...

USN-4237-2: SpamAssassin vulnerabilities

USN-4237-1 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-4238-1: SDL_image vulnerabilities

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

USN-4236-2: Libgcrypt vulnerability

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding fix for Ubuntu 16.04 LTS. Original advisory details: It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information...

USN-4237-1: 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. CVE-2018-11805 It was discovered that SpamAssassin incorrectly handled certain messages...

USN-4236-1: Libgcrypt vulnerability

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information...

USN-4235-1: nginx vulnerability

Bert JW Regeer and Francisco Oca Gonzalez discovered that nginx incorrectly handled certain errorpage configurations. A remote attacker could possibly use this issue to perform HTTP request smuggling attacks and access resources contrary to expectations...

USN-4047-2: libvirt update vulnerability

USN-4047-1 fixed a vulnerability in libvirt. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Matthias Gerstner and Ján Tomko discovered that libvirt incorrectly handled certain API calls. An attacker could possibly use this issue to check for arbitra...

USN-4234-1: 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, obtain sensitive information, bypass Content Security Policy CSP restrictions, conduct cross-site...

USN-4229-1: NTP vulnerability

It was discovered that ntpq and ntpdc incorrectly handled some arguments. An attacker could possibly use this issue to cause ntpq or ntpdc to crash, execute arbitrary code, or escalate to higher privileges...

USN-4233-1: GnuTLS update

As a security improvement, this update marks SHA1 as being untrusted for digital signature operations...

USN-4231-1: NSS vulnerability

It was discovered that NSS incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...

USN-4232-1: 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-4230-1: ClamAV vulnerability

It was discovered that ClamAV incorrectly handled certain MIME messages. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service...

USN-4227-2: Linux kernel (Azure) vulnerabilities

USN-4227-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux kernel for Microsoft Azure Cloud systems for Ubuntu 14.04 ESM. It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the...

USN-4228-2: Linux kernel (Xenial HWE) vulnerabilities

USN-4228-1 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 a heap-based buffer overflow existed in the Marvell WiFi-Ex...

USN-4228-1: Linux kernel vulnerabilities

It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-14895, CVE-2019-14901 It was discovered that a...

USN-4227-1: Linux kernel vulnerabilities

It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-14895, CVE-2019-14901 It was discovered that a...

USN-4226-1: Linux kernel vulnerabilities

Michael Hanselmann discovered that the CIFS implementation in the Linux kernel did not sanitize paths returned by an SMB server. An attacker controlling an SMB server could use this to overwrite arbitrary files. CVE-2019-10220 It was discovered that a heap-based buffer overflow existed in the...

USN-4225-1: Linux kernel vulnerabilities

It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-14895, CVE-2019-14901 It was discovered that a...

USN-4224-1: Django vulnerability

Simon Charette discovered that the password reset functionality in Django used a Unicode case insensitive query to retrieve accounts associated with an email address. An attacker could possibly use this to obtain password reset tokens and hijack accounts...

USN-4223-1: OpenJDK vulnerabilities

Jan Jancar, Petr Svenda, and Vladimir Sedlacek discovered that a side- channel vulnerability existed in the ECDSA implementation in OpenJDK. An Attacker could use this to expose sensitive information. CVE-2019-2894 It was discovered that the Socket implementation in OpenJDK did not properly...