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-5250-2: strongSwan vulnerability

USN-5250-1 fixed a vulnerability in strongSwan. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Zhuowei Zhang discovered that stringSwan incorrectly handled EAP authentication. A remote attacker could use this issue to cause...

USN-5233-1: ClamAV vulnerability

It was discovered that ClamAV incorrectly handled memory when the CLSCANGENERALCOLLECTMETADATA scan option was enabled. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service...

USN-5086-1: Linux kernel vulnerability

Johan Almbladh discovered that the eBPF JIT implementation for IBM s390x systems in the Linux kernel miscompiled operations in some situations, allowing circumvention of the BPF verifier. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-5055-1: GNOME grilo vulnerability

Michael Catanzaro discovered that grilo incorrectly handled certain TLS certificate verification. An attacker could possibly use this issue to MITM attacks...

USN-4969-3: DHCP regression

USN-4969-1 fixed a vulnerability in DHCP. The package for Ubuntu 21.04 introduced a regression causing it to reject certain valid configuration files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jon Franklin and Pawel Wieczorkiewicz discovered tha...

USN-4775-1: Lighttpd vulnerabilities

It was discovered that Lighttpd did not properly sanitized the string used in basic HTTP authentication method. A remote attacker could use this to inject arbitrary log entries and maybe obtain sensitive information. This issue only affected Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. CVE-2015-3200 It...

USN-4718-1: fastd vulnerability

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

USN-4591-1: Linux kernel vulnerabilities

Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux kernel contained a type-confusion error. A physically proximate remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-12351 Andy Nguyen discovered that the...

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-4463-1: Linux kernel vulnerabilities

It was discovered that the bcache subsystem in the Linux kernel did not properly release a lock in some error conditions. A local attacker could possibly use this to cause a denial of service. CVE-2020-12771 Kyungtae Kim discovered that the USB testing driver in the Linux kernel did not properly...

USN-4462-1: Linux kernel vulnerability

It was discovered that the bcache subsystem in the Linux kernel did not properly release a lock in some error conditions. A local attacker could possibly use this to cause a denial of service...

USN-4376-2: OpenSSL vulnerabilities

USN-4376-1 fixed several vulnerabilities in OpenSSL. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Cesar Pereida García, Sohaib ul Hassan, Nicola Tuveri, Iaroslav Gridin, Alejandro Cabrera Aldaya, and Billy Brumley discovered...

USN-4288-2: ppp vulnerability

USN-4288-1 fixed a vulnerability in ppp. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that ppp incorrectly handled certain rhostname values. A remote attacker could use this issue to cause ppp to 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-4268-1: OpenSMTPD vulnerability

It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could use this vulnerability to execute arbitrary commands as root...

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-4186-1: Linux kernel vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

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-3752-3: Linux kernel (Azure, GCP, OEM) 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-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-3725-1: 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 5.5.61 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.23. In addition to security fixes, the updated...

USN-3692-1: OpenSSL vulnerabilities

Keegan Ryan discovered that OpenSSL incorrectly handled ECDSA key generation. An attacker could possibly use this issue to perform a cache-timing attack and recover private ECDSA keys. CVE-2018-0495 Guido Vranken discovered that OpenSSL incorrectly handled very large prime values during a key...

USN-3531-3: intel-microcode update

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. CVE-2017-5715 This...

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-2965-4: Linux kernel (Qualcomm Snapdragon) vulnerability

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. Ralf Spenneberg discovered that the...

USN-2959-1: OpenSSL vulnerabilities

Huzaifa Sidhpurwala, Hanno Böck, and David Benjamin discovered that OpenSSL incorrectly handled memory when decoding ASN.1 structures. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2016-2108 Juraj...

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-1437-1: PHP vulnerability

It was discovered that PHP, when used as a stand alone CGI processor for the Apache Web Server, did not properly parse and filter query strings. This could allow a remote attacker to execute arbitrary code running with the privilege of the web server. Configurations using modphp5 and FastCGI were...

USN-1000-1: Linux kernel vulnerabilities

Dan Rosenberg discovered that the RDS network protocol did not correctly check certain parameters. A local attacker could exploit this gain root privileges. CVE-2010-3904 Al Viro discovered a race condition in the TTY driver. A local attacker could exploit this to crash the system, leading to a...

USN-178-1: Linux kernel vulnerabilities

Oleg Nesterov discovered a local Denial of Service vulnerability in the timer handling. When a non group-leader thread called exec to execute a different program while an itimer was pending, the timer expiry would signal the old group leader task, which did not exist any more. This caused a kerne...

USN-7400-1: PHP vulnerabilities

It was discovered that PHP incorrectly handle certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2024-11235 It was discovered that PHP incorrectly handle certain folded headers. An attacker could possibly use this issue to cause a crash or...

USN-7383-1: 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: - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Drivers core; - Ublk userspace block driver; -...

USN-6457-1: Node.js vulnerabilities

Tavis Ormandy discovered that Node.js incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. CVE-2022-0778 Elison Niven discovered that Node.js...

USN-5965-1: TigerVNC vulnerability

It was discovered that TigerVNC mishandled TLS certificate exceptions. An attacker could use this vulnerability to impersonate any server after a client had added an exception and obtain sensitive information...

USN-5927-1: Linux kernel (Azure) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5873-1: Go Text vulnerabilities

It was discovered that Go Text incorrectly handled certain encodings. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. CVE-2020-14040 It was discovered that Go Text incorrectly handled certain BCP 47 language...

USN-5831-1: Linux kernel (Azure CVM) vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

USN-5793-2: Linux kernel (Azure) vulnerabilities

It was discovered that the iouring subsystem in 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 possibly execute arbitrary code. CVE-2022-3910 ...

USN-5628-2: etcd vulnerabilities

USN-5628-1 fixed vulnerabilities in etcd. This update provides the corresponding updates for Ubuntu 18.04 ESM. Original advisory details: It was discovered that etcd incorrectly handled certain specially crafted WAL files. An attacker could possibly use this issue to cause a denial of service...

USN-5571-1: PostgreSQL vulnerability

Sven Klemm discovered that PostgreSQL incorrectly handled extensions. An attacker could possibly use this issue to execute arbitrary code when extensions are created or updated...

USN-5422-1: libxml2 vulnerabilities

Shinji Sato discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM. CVE-2022-23308 It was...

USN-5394-1: 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-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-5243-2: AIDE vulnerability

USN-5243-1 fixed a vulnerability in aide. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: David Bouman discovered that AIDE incorrectly handled base64 operations. A local attacker could use this issue to cause AIDE to crash,...

USN-5145-1: PostgreSQL vulnerabilities

Jacob Champion discovered that PostgreSQL incorrectly handled SSL certificate verification and encryption. A remote attacker could possibly use this issue to inject arbitrary SQL queries when a connection is first established...

USN-5069-1: mod-auth-mellon vulnerability

It was discovered that mod-auth-mellon incorrectly filtered certain URLs. A remote attacker could possibly use this issue to perform an open redirect attack...

USN-4613-1: python-cryptography vulnerability

Hubert Kario discovered that python-cryptography incorrectly handled certain decryption. An attacker could possibly use this issue to expose sensitive information...

USN-4600-2: Netty vulnerabilities

USN-4600-1 fixed multiple vunerabilities in Netty 3.9. This update provides the corresponding fixes for CVE-2019-20444, CVE-2019-20445 for Netty. Also it was discovered that Netty allow for unbounded memory allocation. A remote attacker could send a large stream to the Netty server causing it to...