USN-5488-2: OpenSSL vulnerability

USN-5488-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: Chancen and Daniel Fiala discovered that OpenSSL incorrectly handled the crehash script. A local attacker could possibly use this issue to execute arbitrary...

USN-5458-1: Vim vulnerabilities

It was discovered that Vim was incorrectly handling virtual column position operations, which could result in an out-of-bounds read. An attacker could possibly use this issue to expose sensitive information. CVE-2021-4193 It was discovered that Vim was not properly performing bounds checks when...

USN-5403-1: SQLite vulnerability

It was discovered that SQLite command-line component incorrectly handled certain queries. An attacker could possibly use this issue to cause a crash or possibly execute arbitrary code...

USN-5376-2: Git vulnerability

USN-5376-1 fixed vulnerabilities in Git. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory details: 俞晨东 discovered that Git incorrectly handled certain repository paths in platforms with multiple users support. An attacker could possibly use this issue to run...

USN-5174-2: Samba regression

USN-5174-1 fixed vulnerabilities in Samba. Some of the changes introduced a regression in Kerberos authentication in certain environments. Please see the following upstream bug for more information: https://bugzilla.samba.org/showbug.cgi?id=14922 This update fixes the problem. Original advisory...

USN-5032-1: Docker vulnerabilities

Several vulnerabilities were fixed in Docker. This update provides a new upstream version that fixed them...

USN-4944-1: MariaDB vulnerabilities

This update fixed multiple vulnerabilities in MariaDB. Ubuntu 18.04 LTS has been updated to MariaDB 10.1.48. Ubuntu 20.04 LTS has been updated to MariaDB 10.3.29. Ubuntu 20.10 has been updated to MariaDB 10.3.29. Ubuntu 21.04 has been updated to MariaDB 10.5.10...

USN-4726-1: OpenJDK vulnerability

It was discovered that OpenJDK incorrectly handled the direct buffering of characters. An attacker could use this issue to cause OpenJDK to crash, resulting in a denial of service, or cause other unspecified impact...

USN-4477-1: Squid vulnerabilities

Amit Klein discovered that Squid incorrectly validated certain data. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. CVE-2020-15810 Régis Leroy discovered that Squid incorrectly validated certain data. A remote attacker...

USN-4472-1: PostgreSQL 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 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-4438-1: SQLite 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-4371-1: libvirt vulnerabilities

It was discovered that libvirt incorrectly handled an active pool without a target path. A remote attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. CVE-2020-10703 It was discovered that libvirt incorrectly handled memory when retrieving certain...

USN-4356-1: Squid vulnerabilities

Jeriko One discovered that Squid incorrectly handled certain Edge Side Includes ESI responses. A malicious remote server could cause Squid to crash, possibly poison the cache, or possibly execute arbitrary code. CVE-2019-12519, CVE-2019-12521 It was discovered that Squid incorrectly handled the...

USN-4352-1: OpenLDAP vulnerability

It was discovered that OpenLDAP incorrectly handled certain queries. A remote attacker could possibly use this issue to cause OpenLDAP to consume resources, resulting in a denial of service...

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-4233-1: GnuTLS update

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

USN-4216-1: 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, or execute arbitrary code...

USN-4194-1: postgresql-common vulnerability

Rich Mirch discovered that the postgresql-common pgctlcluster script incorrectly handled directory creation. A local attacker could possibly use this issue to escalate privileges...

USN-4193-1: Ghostscript vulnerability

Paul Manfred and Lukas Schauer discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to access arbitrary files, execute arbitrary code, or cause...

USN-4043-1: Django vulnerabilities

It was discovered that Django incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 18.10 and Ubuntu 19.04. CVE-2019-12308 Gavin Wahl discovered that Django incorrectly handled HTTP detection when...

USN-3896-1: 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, bypass same origin protections, or execute arbitrary code...

USN-3871-5: Linux kernel (Azure) vulnerabilities

Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-3857-1: PEAR vulnerability

Fariskhi Vidyan discovered that PEAR ArchiveTar incorrectly handled certain archive paths. A remote attacker could possibly use this issue to execute arbitrary code...

USN-3847-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leading to a double free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-10902 It was discovered that an integer overr...

USN-3734-1: OpenJDK 8 vulnerability

It was discovered that the PatternSyntaxException class in OpenJDK did not properly validate arguments passed to it. An attacker could use this to possibly construct a class that caused a denial of service excessive memory consumption...

USN-3677-1: Linux kernel vulnerabilities

It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-1068 Wen Xu discovered that the ext4 filesystem implementation in t...

USN-3661-1: Batik vulnerability

It was discovered that Batik incorrectly handled certain XML. An attacker could possibly use this to expose sensitive information...

USN-3596-1: 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 via application crash or opening new tabs, escape the sandbox, bypass same-origin restrictions, obtain...

USN-3594-1: Linux kernel vulnerability

USN-3542-1 mitigated CVE-2017-5715 Spectre Variant 2 for the amd64 architecture in Ubuntu 14.04 LTS. This update provides the compiler-based retpoline kernel mitigation for the amd64 and i386 architectures. Original advisory details: Jann Horn discovered that microprocessors utilizing speculative...

USN-3541-1: Linux kernel vulnerabilities

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

USN-3522-1: Linux kernel vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3443-3: Linux kernel (GCP) vulnerability

Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2017-14106...

USN-3415-1: tcpdump vulnerabilities

Wilfried Kirsch discovered a buffer overflow in the SLIP decoder in tcpdump. A remote attacker could use this to cause a denial of service application crash or possibly execute arbitrary code. CVE-2017-11543 Bhargava Shastry discovered a buffer overflow in the bitfield converter utility function...

USN-3307-1: OpenLDAP vulnerability

Karsten Heymann discovered that OpenLDAP incorrectly handled certain search requests. A remote attacker could use this issue to cause slapd to crash, resulting in a denial of service...

USN-3293-1: Linux kernel vulnerabilities

Dmitry Vyukov discovered that KVM implementation in the Linux kernel improperly emulated the VMXON instruction. A local attacker in a guest OS could use this to cause a denial of service memory consumption in the host OS. CVE-2017-2596 Dmitry Vyukov discovered that the generic SCSI sg subsystem i...

USN-3266-2: Linux kernel (HWE) vulnerability

USN-3266-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS. Alexander Popov discovered that a race condition existed in the Stream Control Transmission...

USN-3264-2: Linux kernel (Trusty HWE) vulnerability

USN-3264-1 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 LTS. Alexander Popov discovered that a race condition existed in the Stream Control...

USN-3183-2: GnuTLS vulnerability

USN-3183-1 fixed CVE-2016-8610 in GnuTLS in Ubuntu 16.04 LTS and Ubuntu 16.10. This update provides the corresponding update for Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Original advisory details: Stefan Buehler discovered that GnuTLS incorrectly verified the serial length of OCSP responses. A remo...

USN-3210-1: LibreOffice vulnerability

Ben Hayak discovered that it was possible to make LibreOffice Calc and Writer disclose arbitrary files to an attacker if a user opened a specially crafted file with embedded links...

USN-3170-2: Linux kernel (Raspberry Pi 2) vulnerabilities

Andrey Konovalov discovered that the ipv6 icmp implementation in the Linux kernel did not properly check data structures on send. A remote attacker could use this to cause a denial of service system crash. CVE-2016-9919 Andrey Konovalov discovered that signed integer overflows existed in the...

USN-3124-1: Firefox vulnerabilities

Christian Holler, Andrew McCreight, Dan Minor, Tyson Smith, Jon Coppeard, Jan-Ivar Bruaroey, Jesse Ruderman, Markus Stange, Olli Pettay, Ehsan Akhgari, Gary Kwong, Tooru Fujisawa, and Randell Jesup discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a special...

USN-3128-2: Linux kernel (Xenial HWE) vulnerability

USN-3128-1 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. Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a...

USN-3072-1: Linux kernel vulnerabilities

Kangjie Lu discovered an information leak in the Reliable Datagram Sockets RDS implementation in the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-5244 Yue Cao et al discovered a flaw in the TCP implementation's handling of...

USN-3005-1: Linux kernel (Xenial HWE) vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-2965-1: Linux kernel vulnerabilities

Jann Horn discovered that the extended Berkeley Packet Filter eBPF implementation in the Linux kernel did not properly reference count file descriptors, leading to a use-after-free. A local unprivileged attacker could use this to gain administrative privileges. CVE-2016-4557 Ralf Spenneberg...

USN-2848-1: Linux kernel vulnerabilities

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

USN-2836-1: GRUB vulnerability

Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handled the backspace key when configured to use authentication. A local attacker could use this issue to bypass GRUB password protection...

USN-2658-1: PHP vulnerabilities

Neal Poole and Tomas Hoger discovered that PHP incorrectly handled NULL bytes in file paths. A remote attacker could possibly use this issue to bypass intended restrictions and create or obtain access to sensitive files. CVE-2015-3411, CVE-2015-3412, CVE-2015-4025, CVE-2015-4026, CVE-2015-4598...

USN-2418-1: Linux kernel (OMAP4) vulnerabilities

Nadav Amit reported that the KVM Kernel Virtual Machine mishandles noncanonical addresses when emulating instructions that change the rip Instruction Pointer. A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service system crash of the guest. CVE-2014-3647 A flaw...