USN-4155-2: Aspell vulnerability

USN-4155-1 fixed a vulnerability in Aspell. This update provides the corresponding update for Ubuntu 19.10. Original advisory details: It was discovered that Aspell incorrectly handled certain inputs. An attacker could potentially access sensitive information...

USN-4149-1: Unbound vulnerability

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

USN-4055-1: flightcrew vulnerabilities

Mike Salvatore discovered that FlightCrew improperly handled certain malformed EPUB files. An attacker could potentially use this vulnerability to cause a denial of service. CVE-2019-13032 Mike Salvatore discovered that FlightCrew mishandled certain malformed EPUB files. An attacker could use thi...

USN-3959-1: Evince vulnerability

It was discovered that Evince incorrectly handled certain images. An attacker could possibly use this issue to expose sensitive information...

USN-3927-1: Thunderbird vulnerabilities

It was discovered that Thunderbird allowed PAC files to specify that requests to localhost are sent through the proxy to another server. If proxy auto-detection is enabled, an attacker could potentially exploit this to conduct attacks on local services and tools. CVE-2018-18506 Multiple security...

USN-3884-1: libarchive vulnerabilities

It was discovered that libarchive incorrectly handled certain 7zip files. An attacker could possibly use this issue to cause a denial of service. CVE-2019-1000019, CVE-2019-1000020...

USN-3641-1: Linux kernel vulnerabilities

Nick Peterson discovered that the Linux kernel did not properly handle debug exceptions following a MOV/POP to SS instruction. A local attacker could use this to cause a denial of service system crash. This issue only affected the amd64 architecture. CVE-2018-8897 Andy Lutomirski discovered that...

USN-3425-2: Apache HTTP Server vulnerability

USN-3425-1 fixed a vulnerability in Apache HTTP Server. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Hanno Böck discovered that the Apache HTTP Server incorrectly handled Limit directives in .htaccess files. In certain configurations, a remote...

USN-3386-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3386-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload UFO code...

USN-3211-2: PHP regression

USN-3211-1 fixed vulnerabilities in PHP by updating to the new 7.0.15 upstream release. PHP 7.0.15 introduced a regression when using MySQL with large blobs. This update fixes the problem with a backported fix. Original advisory details: It was discovered that PHP incorrectly handled certain...

USN-3208-1: Linux kernel vulnerabilities

It was discovered that the generic SCSI block layer in the Linux kernel did not properly restrict write operations in certain situations. A local attacker could use this to cause a denial of service system crash or possibly gain administrative privileges. CVE-2016-10088 CAI Qian discovered that t...

USN-2971-1: Linux kernel vulnerabilities

Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did not properly validate the endpoints reported by the device. An attacker with physical access could cause a denial of service system crash. CVE-2015-7515 Zach Riggle discovered that the Linux kernel's list...

USN-2950-3: Samba regressions

USN-2950-1 fixed vulnerabilities in Samba. The fixes introduced in Samba 4.3.8 caused certain regressions and interoperability issues. This update resolves some of these issues by updating to Samba 4.3.9 in Ubuntu 14.04 LTS, Ubuntu 15.10 and Ubuntu 16.04 LTS. Backported regression fixes were adde...

USN-2912-1: libssh vulnerabilities

Mariusz Ziulek discovered that libssh incorrectly handled certain packets. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service. CVE-2015-3146 Aris Adamantiadis discovered that libssh incorrectly generated ephemeral secret keys of 128 bits...

USN-1681-4: Firefox regression

USN-1681-1 fixed vulnerabilities in Firefox. Due to an upstream regression, Firefox suffered from instabilities when accessing some websites. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Christoph Diehl, Christian Holler, Mats Palmgren, Chiaki...

USN-1613-2: Python 2.4 vulnerabilities

USN-1613-1 fixed vulnerabilities in Python 2.5. This update provides the corresponding updates for Python 2.4. Original advisory details: It was discovered that Python would prepend an empty string to sys.path under certain circumstances. A local attacker with write access to the current working...

USN-1355-3: ubufox and webfav update

USN-1355-1 fixed vulnerabilities in Firefox. This update provides updated ubufox and webfav packages for use with the latest Firefox. Original advisory details: It was discovered that if a user chose to export their Firefox Sync key the "Firefox Recovery Key.html" file is saved with incorrect...

USN-1216-1: Linux kernel (EC2) vulnerabilities

Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local attacker could exploit this to read portions of kernel stack memory, leading to a loss of privacy. CVE-2010-4076, CVE-2010-4077 Alex Shi and Eric Dumazet discovered that the network stack...

USN-957-1: Firefox and Xulrunner vulnerabilities

Several flaws were discovered in the browser engine of Firefox. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash the browser or possibly run arbitrary code as the user invoking the program. CVE-2010-1208, CVE-2010-1209, CVE-2010-1211, CVE-2010-1212 A...

USN-714-1: Linux kernel vulnerabilities

Hugo Dias discovered that the ATM subsystem did not correctly manage socket counts. A local attacker could exploit this to cause a system hang, leading to a denial of service. CVE-2008-5079 It was discovered that the libertas wireless driver did not correctly handle beacon and probe responses. A...

USN-171-1: PHP4 vulnerabilities

CAN-2005-1751: The php4-dev package ships a copy of the "shtool" utility in /usr/lib/php4/build/, which provides useful functionality for developers of software packages. Eric Romang discovered that shtool created temporary files in an insecure manner. This could allow a symlink attack to create ...

USN-7406-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - SMB network file system; - Network namespace; - Networking core; CVE-2024-26928, CVE-2024-56658,...

USN-7270-1: OpenSSH vulnerabilities

It was discovered that the OpenSSH client incorrectly handled the non-default VerifyHostKeyDNS option. If that option were enabled, an attacker could possibly impersonate a server by completely bypassing the server identity check. CVE-2025-26465 It was discovered that OpenSSH incorrectly handled...

USN-6898-3: Linux kernel kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...

USN-6605-2: Linux kernel (KVM) vulnerabilities

Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6040 It was discovered that the CIFS...

USN-6549-3: Linux kernel (Low Latency) vulnerabilities

It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2023-37453 Lin Ma...

USN-6365-2: Open VM Tools vulnerability

USN-6365-1 fixed a vulnerability in Open VM Tools. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that Open VM Tools incorrectly handled SAML tokens. A remote attacker could possibly use this issue to bypass SA...

USN-5956-1: PHPMailer vulnerabilities

Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed by the system shell. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM. CVE-2016-10033, CVE-2016-10045 It was...

USN-5953-1: IPython vulnerabilities

It was discovered that IPython incorrectly processed REST API POST requests. An attacker could possibly use this issue to launch a cross-site request forgery CSRF attack and leak user's sensitive information. This issue only affected Ubuntu 14.04 ESM. CVE-2015-5607 It was discovered that IPython...

USN-5896-1: Rack vulnerabilities

It was discovered that Rack was not properly parsing data when processing multipart POST requests. If a user or automated system were tricked into sending a specially crafted multipart POST request to an application using Rack, a remote attacker could possibly use this issue to cause a denial of...

USN-5442-2: Linux kernel vulnerabilities

Kyle Zeng discovered that the Network Queuing and Scheduling subsystem of the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

USN-5435-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, bypass permission prompts, obtain sensitive information, bypass security...

USN-5348-1: Smarty vulnerabilities

David Gnedt and Thomas Konrad discovered that Smarty was incorrectly sanitizing the paths present in the templates. An attacker could possibly use this use to read arbitrary files when controlling the executed template. CVE-2018-13982 It was discovered that Smarty was incorrectly sanitizing the...

USN-5030-2: Perl DBI module vulnerabilities

USN-5030-1 addressed vulnerabilities in Perl DBI module. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: It was discovered that the Perl DBI module incorrectly opened files outside of the folder specified in the data source name. A remote attacker...

USN-4428-1: Python vulnerabilities

It was discovered that Python documentation had a misleading information. A security issue could be possibly caused by wrong assumptions of this information. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. CVE-2019-17514 It was discovered that...

USN-4421-1: 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, obtain sensitive information, or execute arbtirary code. CVE-2020-12405,...

USN-4409-1: Samba vulnerabilities

Andrew Bartlett discovered that Samba incorrectly handled certain LDAP queries. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 19.10 and Ubuntu 20.04 LTS...

USN-4316-1: GD Graphics Library vulnerabilities

It was discovered that GD Graphics Library incorrectly handled cloning an image. An attacker could possibly use this issue to cause GD Graphics Library to crash, resulting in a denial of service. CVE-2018-14553 It was discovered that GD Graphics Library incorrectly handled loading images from X...

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-4153-1: Octavia vulnerability

Daniel Preussker discovered that Octavia incorrectly handled client certificate checking. A remote attacker on the management network could possibly use this issue to perform configuration changes and obtain sensitive information...

USN-4079-1: SoX vulnerabilities

It was discovered that SoX incorrectly handled certain MP3 files. An attacker could possibly use this issue to cause a denial of service. CVE-2019-8354, CVE-2019-8355, CVE-2019-8356, CVE-2019-8357...

USN-3939-1: Samba vulnerability

Michael Hanselmann discovered that Samba incorrectly handled registry files. A remote attacker could possibly use this issue to create new registry files outside of the share, contrary to expectations...

USN-3908-2: Linux kernel (Trusty HWE) vulnerability

USN-3908-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Jann Horn discovered a race condition in the fork system call in the Linux kernel. A...

USN-3870-1: Spice vulnerability

Christophe Fergeau discovered that Spice incorrectly handled memory. A remote attacker could use this to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3707-2: NTP vulnerabilities

USN-3707-1 and USN-3349-1 fixed several vulnerabilities in NTP. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Miroslav Lichvar discovered that NTP incorrectly handled certain spoofed addresses when performing rate limiting. A remote attacker could...

USN-3832-1: Linux kernel (AWS) vulnerabilities

Jann Horn discovered that the procfs file system implementation in the Linux kernel did not properly restrict the ability to inspect the kernel stack of an arbitrary task. A local attacker could use this to expose sensitive information. CVE-2018-17972 Jann Horn discovered that the mremap system...

USN-3742-1: Linux kernel vulnerabilities

It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault L1TF. A local attacker in a guest virtual machine could use this to expose sensitive...

USN-3706-2: libjpeg-turbo vulnerabilities

USN-3706-1 fixed a vulnerability in libjpeg-turbo. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libjpeg-turbo incorrectly handled certain malformed JPEG images. If a user or automated system were tricked into opening a...

USN-3678-4: Linux kernel (Raspberry Pi 2) vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service system crash when mounted. CVE-2018-1092 It was discovere...

USN-3614-1: OpenJDK 7 vulnerabilities

It was discovered that a race condition existed in the cryptography implementation in OpenJDK. An attacker could possibly use this to expose sensitive information. CVE-2018-2579 It was discovered that the LDAP implementation in OpenJDK did not properly encode login names. A remote attacker could...