USN-5523-2: LibTIFF vulnerabilities

USN-5523-1 fixed several vulnerabilities in LibTIFF. This update provides the fixes for CVE-2022-0907, CVE-2022-0908, CVE-2022-0909, CVE-2022-0924 and CVE-2022-22844 for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that LibTIFF was not properly perf orming...

USN-5565-1: Linux kernel vulnerabilities

Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not properly remove all references to a route filter before freeing it in some situations. A local attacker could use this to cause a denial of service system crash or execute arbitrary code...

USN-5530-1: PHP vulnerability

It was discovered that PHP incorrectly handled certain memory operations when obtaining file information. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5271-1: Adminer vulnerabilities

It was discovered that Adminer did not escape data in the history parameter of the default URI. A remote attacker could possibly use this issue to perform cross-site scripting XSS attacks. This issue only affected Ubuntu 20.04 ESM. CVE-2020-35572 Adam Crosser and Brian Sizemore discovered that...

USN-5418-1: Linux kernel vulnerabilities

Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive...

USN-5393-1: 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, conduct spoofing attacks, or execute arbitrary code. CVE-2022-1097,...

USN-5379-1: klibc vulnerabilities

It was discovered that klibc did not properly perform some mathematical operations, leading to an integer overflow. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2021-31870 It was discovered that klibc did not...

USN-5354-1: Twisted vulnerabilities

It was discovered that Twisted incorrectly filtered HTTP headers when clients are being redirected to another origin. A remote attacker could use this issue to obtain sensitive information. CVE-2022-21712 It was discovered that Twisted incorrectly processed SSH handshake data on connection...

USN-5269-2: Django vulnerabilities

USN-5269-1 fixed several vulnerabilities in Django. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Keryn Knight discovered that Django incorrectly handled certain template tags. A remote attacker could possibly use this issue to...

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-5064-2: GNU cpio vulnerability

USN-5064-1 fixed vulnerabilities in GNU cpio. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: Maverick Chung and Qiaoyi Fang discovered that cpio incorrectly handled certain pattern files. A remote attacker could use this issue to cause cpio to cras...

USN-5164-1: Linux kernel vulnerabilities

It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-37159 It was discovered that th...

USN-5060-1: NTFS-3G vulnerabilities

It was discovered that NTFS-3G incorrectly handled certain image file. An attacker could possibly use this issue to execute arbitrary code...

USN-4719-1: ca-certificates update

The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.46 version of the Mozilla certificate authority bundle...

USN-4668-4: python-apt vulnerability

USN-4668-1 fixed a vulnerability in python-apt. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Kevin Backhouse discovered that python-apt incorrectly handled resources. A local attacker could possibly use this issue to cause python-apt to consume...

USN-4532-1: Netty vulnerabilities

It was discovered that Netty incorrectly handled certain HTTP headers. By sending an HTTP header with whitespace before the colon, a remote attacker could possibly use this issue to perform an HTTP request smuggling attack. CVE-2019-16869 It was discovered that Netty incorrectly handled certain...

USN-4486-1: Linux kernel vulnerability

Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service system crash...

USN-4281-1: 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-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-4142-1: e2fsprogs vulnerability

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

USN-4119-1: Irssi vulnerability

It was discovered that Irssi incorrectly handled certain CAP requests. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code...

USN-4070-2: MariaDB vulnerabilities

USN-4070-1 fixed multiple vulnerabilities in MySQL. This update provides the corresponding fixes for CVE-2019-2737, CVE-2019-2739, CVE-2019-2740, CVE-2019-2805 in MariaDB 10.1. Ubuntu 18.04 LTS has been updated to MariaDB 10.1.41. In addition to security fixes, the updated package contain bug...

USN-4056-1: Exiv2 vulnerabilities

It was discovered that Exiv2 incorrectly handled certain PSD files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-19107, CVE-2018-19108 It was discovered that Exiv2 incorrectly handled certain PNG files. An attacker could possibly use this issue to cause a denia...

USN-4045-1: Thunderbird vulnerabilities

A type confusion bug was discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could exploit this by causing a denial of service, or executing arbirary code. CVE-2019-11707 It was discovered that a sandboxed child process...

USN-4028-1: Thunderbird vulnerabilities

Multiple memory safety issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code...

USN-4022-1: Gunicorn vulnerability

It was discovered that gunicorn improperly handled certain input. An attacker could potentially use this issue execute a cross-site scripting XSS attack...

USN-3949-1: OpenJDK 11 vulnerability

It was discovered that a memory disclosure issue existed in the OpenJDK Library subsystem. An attacker could use this to expose sensitive information and possibly bypass Java sandbox restrictions. CVE-2019-2422 Please note that with this update, the OpenJDK package in Ubuntu 18.04 LTS has...

USN-3940-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled scanning certain PDF documents. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. CVE-2019-1787 It was discovered that ClamAV incorrectly handled scanning certain OLE2 files. A remote...

USN-3921-1: XMLTooling vulnerability

It was discovered that XMLTooling incorrectly handled certain XML files with invalid data. An attacker could use this issue to cause XMLTooling to crash, resulting in a denial of service...

USN-3902-2: PHP vulnerabilities

USN-3902-1 fixed a vulnerability in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that the PHP XML-RPC module incorrectly handled decoding XML data. A remote attacker could possibly use this issue to cause PHP to crash,...

USN-3756-1: Intel Microcode 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-3752-1: Linux kernel vulnerabilities

It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service system crash. CVE-2018-1000200 Wen Xu discovered that the XFS...

USN-3742-3: Linux kernel (Trusty HWE) regressions

USN-3742-2 introduced mitigations in the Linux Hardware Enablement HWE kernel for Ubuntu 12.04 ESM to address L1 Terminal Fault L1TF vulnerabilities CVE-2018-3620, CVE-2018-3646. Unfortunately, the update introduced regressions that caused kernel panics when booting in some environments as well a...

USN-3741-3: Linux kernel regressions

USN-3741-1 introduced mitigations in the Linux kernel for Ubuntu 14.04 LTS to address L1 Terminal Fault L1TF vulnerabilities CVE-2018-3620, CVE-2018-3646. Unfortunately, the update introduced regressions that caused kernel panics when booting in some environments as well as preventing Java...

USN-3598-1: curl vulnerabilities

Phan Thanh discovered that curl incorrectly handled certain FTP paths. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2018-1000120 Dario Weisser discovered that curl incorrectly handled certain LDAP URLs. An attacker could possibly use this issue t...

USN-3560-1: QEMU update

It was discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This...

USN-3523-2: Linux kernel (HWE) vulnerabilities

USN-3523-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch...

USN-3485-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the ALSA subsystem of the Linux kernel when creating and deleting a port via ioctl. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-15265 Eric Biggers discovered that the key...

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-2965-2: Linux kernel (Xenial HWE) vulnerabilities

USN-2965-1 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 LTS. Jann Horn discovered that the extended Berkeley Packet Filter eBPF implementation in t...

USN-2585-1: Linux kernel vulnerability

It was discovered that the Linux kernel's IPv6 networking stack has a flaw that allows using route advertisement RA messages to set the 'hoplimit' to values that are too low. An unprivileged attacker on a local network could exploit this flaw to cause a denial of service IPv6 messages dropped...

USN-2544-1: Linux kernel vulnerabilities

Eric Windisch discovered flaw in how the Linux kernel's XFS file system replaces remote attributes. A local access with access to an XFS file system could exploit this flaw to escalate their privileges. CVE-2015-0274 A flaw was discovered in the automatic loading of modules in the crypto subsyste...

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-1353-1: Xulrunnner vulnerabilities

Jesse Ruderman and Bob Clary discovered memory safety issues affecting the Gecko Browser engine. If the user were tricked into opening a specially crafted page, an attacker could exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of t...

USN-1246-1: Linux kernel vulnerabilities

Dan Rosenberg discovered that the IPv4 diagnostic routines did not correctly validate certain requests. A local attacker could exploit this to consume CPU resources, leading to a denial of service. CVE-2011-2213 Dan Rosenberg discovered that the Bluetooth stack incorrectly handled certain L2CAP...

USN-1187-1: Linux kernel (Maverick backport) vulnerabilities

It was discovered that KVM did not correctly initialize certain CPU registers. A local attacker could exploit this to crash the system, leading to a denial of service. CVE-2010-3698 Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. A local attacker could...

USN-1164-1: Linux kernel vulnerabilities (i.MX51)

Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. A local attacker could exploit this to crash the system or possibly execute arbitrary code as the root user. CVE-2010-3865 Dan Rosenberg discovered that the Linux kernel X.25 implementation incorrectly...

USN-1105-1: Linux kernel 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-2010-4075 Dan Rosenberg discovered that the socket filters did not correctly...

USN-6896-3: Linux kernel vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the Atheros 802.11ac...

USN-6488-2: strongSwan vulnerability

USN-6488-1 fixed a vulnerability in strongSwan. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Florian Picca discovered that strongSwan incorrectly handled certain DH public values. A remote attacker could use this issue to cau...