USN-4722-1 minidlna vulnerabilities

It was discovered that ReadyMedia MiniDLNA allowed subscription requests with a delivery URL on a different network segment than the fully qualified event- subscription URL. An attacker could use this to hijack smart devices and cause denial of service attacks. CVE-2020-12695 It was discovered th...

USN-4721-1 flatpak vulnerability

Simon McVittie discovered that flatpak-portal service allowed sandboxed applications to execute arbitrary code on the host system a sandbox escape. A malicious user could create a Flatpak application that set environment variables, trusted by the Flatpak "run" command, and use it to execute...

USN-4708-1 linux, linux-lts-xenial vulnerabilities

Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track inode validations. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service system crash. CVE-2018-13093 It was discovered that the btrfs fi...

USN-4702-1 pound vulnerabilities

It was discovered that Pound incorrectly handled certain HTTP requests A remote attacker could use it to retrieve some sensitive information. CVE-2016-10711, CVE-2018-21245...

USN-4700-1 pyxdg vulnerability

Alexandre D'Hondt discovered that PyXDG did not properly sanitize input. An attacker could exploit this with a crafted .menu file to execute arbitrary code...

USN-4669-1 squirrelmail vulnerability

It was discovered that a cross-site scripting XSS vulnerability in SquirrelMail allows remote attackers to use malicious script content from HTML e-mail to execute code and/or provoke a denial of service...

USN-4656-2 xorg-server vulnerabilities

USN-4656-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: 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...

USN-4646-2 poppler regression

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. We apologize for the inconvenience. Original advisory details: It was discovere...

USN-4646-1 poppler vulnerabilities

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...

USN-4642-1 pdfresurrect vulnerability

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 system crash or arbitrary code execution...

USN-4637-2 firefox vulnerabilities

USN-4637-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Ubuntu 16.04 LTS. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit...

USN-4637-1 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 across origins, bypass security restrictions, conduct phishing attacks,...

USN-4618-1 tmux vulnerability

Sergey Nizovtsev discovered that tmux incorrectly handled some inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-4552-2 pam-python vulnerability

Malte Kraus discovered that Pam-python mishandled certain environment variables. A local attacker could potentially use this vulnerability to execute programs as root...

USN-4588-1 flightgear vulnerability

It was discovered that FlightGear could write arbitrary files if received a special nasal script. A remote attacker could exploit this with a crafted file to execute arbitrary code...

USN-4572-1 spice vulnerability

Frediano Ziglio discovered that Spice incorrectly handled QUIC image decoding. A remote attacker could use this to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4565-1 openconnect vulnerability

It was discovered that OpenConnect has a buffer overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. An attacker could use it to provoke a denial of service crash...

USN-4557-1 tomcat6 vulnerabilities

It was discovered that the Tomcat realm implementations incorrectly handled passwords when a username didn't exist. A remote attacker could possibly use this issue to enumerate usernames. CVE-2016-0762 Alvaro Munoz and Alexander Mirosh discovered that Tomcat incorrectly limited use of a certain...

USN-4547-2 ssvnc vulnerabilities

It was discovered that the LibVNCClient vendored in SSVNC incorrectly handled certain packet lengths. A remote attacker could possibly use this issue to obtain sensitive information, cause a denial of service, or execute arbitrary code. CVE-2018-20020, CVE-2018-20021, CVE-2018-20022, CVE-2018-202...

USN-4548-1 libuv1 vulnerability

It was discovered that libuv incorrectly handled certain paths. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-4516-1 gnupg2 vulnerability

It was discovered that GnuPG signatures could be forged when the SHA-1 algorithm is being used. This update removes validating signatures based on SHA-1 that were generated after 2019-01-19. In environments where this is still required, a new option --allow-weak-key-signatures can be used to reve...

USN-4512-1 util-linux vulnerability

It was discovered that the umount bash completion script shipped in util-linux incorrectly handled certain mountpoints. If a local attacker were able to create arbitrary mountpoints, another user could be tricked into executing arbitrary code when attempting to run the umount command with bash...

USN-4496-1 Apache XML-RPC vulnerability

It was discovered that Apache XML-RPC aka ws-xmlrpc does not properly deserialize untrusted data. An attacker could possibly use this issue to execute arbitrary code. CVE-2019-17570...

USN-4487-2 libx11 vulnerabilities

USN-4487-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: Todd Carson discovered that libx11 incorrectly handled certain memory operations. A local attacker could possibly use this issue to...

USN-4472-1 postgresql-10, postgresql-12, postgresql-9.5 vulnerabilities

Noah Misch discovered that PostgreSQL incorrectly handled the searchpath setting when used with logical replication. A remote attacker could possibly use this issue to execute arbitrary SQL code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. CVE-2020-14349 Andres Freund discover...

USN-4432-2 grub2, grub2-signed regression

USN-4432-1 fixed vulnerabilities in GRUB2 affecting Secure Boot environments. Unfortunately, the update introduced regressions for some BIOS systems either pre-UEFI or UEFI configured in Legacy mode, preventing them from successfully booting. This update addresses the issue. Users with BIOS syste...

USN-4436-2 librsvg regression

USN-4436-1 fixed a vulnerability in librsvg. The upstream fix caused a regression when parsing certain SVG files. This update backs out the fix pending further investigation. Original advisory details: It was discovered that librsvg incorrectly handled parsing certain SVG files. A remote attacker...

USN-4427-1 linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the Kvaser CAN/USB driver in the Linux kernel did not properly initialize memory in certain situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2019-19947 Chuhong Yuan discovered that go7007 USB audio device driver in the...

USN-4438-1 sqlite3 vulnerability

It was discovered that SQLite incorrectly handled query-flattener optimization. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4434-1 libvncserver vulnerabilities

Ramin Farajpour Cami discovered that LibVNCServer incorrectly handled certain malformed unix socket names. A remote attacker could exploit this with a crafted socket name, leading to a denial of service, or possibly execute arbitrary code. CVE-2019-20839 It was discovered that LibVNCServer did no...

USN-4430-2 pillow vulnerabilities

USN-4430-1 fixed vulnerabilities in Pillow. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted image file...

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-4410-1 net-snmp vulnerability

A double-free bug was discovered in snmpd server. An authenticated user could potentially cause a DoS by sending a crafted request to the server. CVE-2019-20892...

USN-4385-1 intel-microcode vulnerabilities

It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use th...

USN-4359-2 apt vulnerability

USN-4359-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: It was discovered that APT incorrectly handled certain filenames during package installation. If an attacker could provide a specially crafted...

USN-4376-1 openssl vulnerabilities

Cesar Pereida García, Sohaib ul Hassan, Nicola Tuveri, Iaroslav Gridin, Alejandro Cabrera Aldaya, and Billy Brumley discovered that OpenSSL incorrectly handled ECDSA signatures. An attacker could possibly use this issue to perform a timing side-channel attack and recover private ECDSA keys...

USN-4360-4 json-c vulnerability

USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides the correct fix update for CVE-2020-12762. Original advisory details: It was discovered that json-c incorrectly handled certain JSON files. An...

USN-4365-2 bind9 vulnerabilities

USN-4365-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind incorrectly limited certain fetches. A remote attacker could possibly...

USN-4364-1 linux, linux-aws, linux-kvm, linux-lts-xenial, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel did not properly deallocate memory in certain error conditions. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2019-19060 It was discovered that the vhost net driver in the Linux kernel...

USN-4353-2 firefox regression

USN-4353-1 fixed vulnerabilities in Firefox. The update caused a regression that impaired the functionality of some addons. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in ...

USN-4352-2 openldap vulnerability

USN-4352-1 fixed a vulnerability in OpenLDAP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that OpenLDAP incorrectly handled certain queries. A remote attacker could possibly use this issue to cause OpenLDAP ...

USN-4349-1 edk2 vulnerabilities

A buffer overflow was discovered in the network stack. An unprivileged user could potentially enable escalation of privilege and/or denial of service. This issue was already fixed in a previous release for 18.04 LTS and 19.10. CVE-2018-12178 A buffer overflow was discovered in BlockIo service. An...

USN-4341-3 samba regression

USN-4341-1 fixed vulnerabilities in Samba. The updated packages for Ubuntu 16.04 LTS introduced a regression when using LDAP. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Samba incorrectly handled certain LDAP queries. A remo...

USN-4329-1 git vulnerability

Felix Wilhelm discovered that Git incorrectly handled certain URLs that included newlines. A remote attacker could possibly use this issue to trick Git into returning credential information for a wrong host...

USN-4314-1 libpam-krb5 vulnerability

Russ Allbery discovered that pam-krb5 incorrectly handled some responses. An attacker could possibly use this issue to execute arbitrary code...

USN-4288-1 ppp vulnerability

It was discovered that ppp incorrectly handled certain rhostname values. A remote attacker could use this issue to cause ppp to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4282-1 postgresql-10, postgresql-11 vulnerability

It was discovered that PostgreSQL incorrectly performed authorization checks when handling the "ALTER ... DEPENDS ON EXTENSION" sub-commands. A remote attacker could possibly use this issue to drop any function, procedure, materialized view, index, or trigger under certain conditions...

USN-4275-1 qtbase-opensource-src 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-4253-2 linux-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...