USN-3212-1: LibTIFF vulnerabilities

It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges...

USN-2673-1: Thunderbird vulnerabilities

Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property...

USN-1397-1: 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 5.1.61 in Ubuntu 10.04 LTS, Ubuntu 10.10, Ubuntu 11.04 and Ubuntu 11.10. Ubuntu 8.04 LTS has been updated to MySQL 5.0.95. In addition to security...

USN-320-1: PHP vulnerabilities

The phpinfo PHP function did not properly sanitize long strings. A remote attacker could use this to perform cross-site scripting attacks against sites that have publicly-available PHP scripts that call phpinfo. Please note that it is not recommended to publicly expose phpinfo. CVE-2006-0996 An...

USN-6952-1: Linux kernel vulnerabilities

Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to...

USN-6819-4: Linux kernel (Oracle) vulnerabilities

Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service system crash. CVE-2023-6356, CVE-2023-6535, CVE-2023-6536 Chenyuan...

USN-6588-1: PAM vulnerability

Matthias Gerstner discovered that the PAM pamnamespace module incorrectly handled special files when performing directory checks. A local attacker could possibly use this issue to cause PAM to stop responding, resulting in a denial of service...

USN-5850-1: Linux kernel vulnerabilities

It was discovered that the Bluetooth HCI implementation in the Linux kernel did not properly deallocate memory in some situations. An attacker could possibly use this cause a denial of service memory exhaustion. CVE-2022-3619 It was discovered that the Broadcom FullMAC USB WiFi driver in the Linu...

USN-5845-1: OpenSSL vulnerabilities

David Benjamin discovered that OpenSSL incorrectly handled X.400 address processing. A remote attacker could possibly use this issue to read arbitrary memory contents or cause OpenSSL to crash, resulting in a denial of service. CVE-2023-0286 Octavio Galland and Marcel Böhme discovered that OpenSS...

USN-5232-1: Fail2ban vulnerability

Jakub Żoczek discovered that certain Fail2ban actions handled whois responses in an insecure way. If Fail2ban was configured to use certain mail actions like 'mail-whois' on a target system, a remote attacker who was able to control whois responses to this target system could possibly execute...

USN-5518-1: Linux kernel vulnerabilities

It was discovered that the eBPF implementation in the Linux kernel did not properly prevent writes to kernel objects in BPFBTFLOAD commands. A privileged local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-0500 It was discovered tha...

USN-5502-1: OpenSSL vulnerability

Alex Chernyakhovsky discovered that OpenSSL incorrectly handled AES OCB mode when using the AES-NI assembly optimized implementation on 32-bit x86 platforms. A remote attacker could possibly use this issue to obtain sensitive information...

USN-5347-1: OpenVPN vulnerability

It was discovered that OpenVPN incorrectly handled certain configurations with multiple authentication plugins. A remote attacker could possibly use this issue to bypass authentication using incomplete credentials...

USN-5332-2: Bind vulnerability

USN-5332-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind incorrectly handled certain bogus NS records when using forwarders. ...

USN-5329-1: tar vulnerability

It was discovered that tar incorrectly handled certain files. An attacker could possibly use this issue to cause tar to crash, resulting in a denial of service...

USN-5255-1: 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-5225-1: lxml vulnerability

It was discovered that lxml incorrectly handled certain XML and HTML files. An attacker could possibly use this issue to execute arbitrary code...

USN-5206-1: Linux kernel (OEM) vulnerability

Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages...

USN-5162-1: Linux kernel vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the AMD...

USN-5053-1: libssh vulnerability

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

USN-5043-1: Exiv2 vulnerabilities

It was discovered that Exiv2 incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service. CVE-2021-32815, CVE-2021-34334, CVE-2021-37620, CVE-2021-37622 It was discovered that Exiv2 incorrectly handled certain image files. An attacker could...

USN-4930-1: Samba vulnerability

Peter Eriksson discovered that Samba incorrectly handled certain negative idmap cache entries. This issue could result in certain users gaining unauthorized access to files, contrary to expected behaviour...

USN-4796-1: Node.js vulnerabilities

Alexander Minozhenko and James Bunton discovered that Node.js did not properly handle wildcards in name fields of X.509 TLS certificates. An attacker could use this vulnerability to execute a machine-in-the-middle- attack. This issue only affected Ubuntu 14.04 ESM and 16.04 ESM. CVE-2016-7099 It...

USN-4660-2: Linux kernel regression

USN-4660-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression in the software raid10 driver when used with fstrim that could lead to data corruption. This update fixes the problem. Original advisory details: It was discovered that a race condition existe...

USN-4593-2: FreeType vulnerability

USN-4593-1 fixed a vulnerability in FreeType. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Sergei Glazunov discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font...

USN-4393-1: Linux kernel vulnerabilities

It was discovered that the Marvell WiFi-Ex Driver in the Linux kernel did not properly validate status lengths in messages received from an access point, leading to a buffer overflow. A physically proximate attacker controlling an access point could use this to construct messages that could...

USN-4321-1: HAProxy vulnerability

Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests. An attacker could possibly use this to execute arbitrary code...

USN-4252-1: tcpdump vulnerabilities

Multiple security issues were discovered in tcpdump. A remote attacker could use these issues to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4183-1: 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-4133-1: Wireshark vulnerabilities

It was discovered that Wireshark improperly handled certain input. A remote or local attacker could cause Wireshark to crash by injecting malformed packets onto the wire or convincing someone to read a malformed packet trace file...

USN-3933-1: Linux kernel vulnerabilities

It was discovered that an information leak vulnerability existed in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could possibly expose sensitive information kernel memory. CVE-2017-1000410 It was discovered that the USB serial device driver in the Linux...

USN-3732-1: Linux kernel vulnerability

Juha-Matti Tilli discovered that the TCP implementation in the Linux kernel performed algorithmically expensive operations in some situations when handling incoming packets. A remote attacker could use this to cause a denial of service...

USN-3177-2: Tomcat regression

USN-3177-1 fixed vulnerabilities in Tomcat. The update introduced a regression in environments where Tomcat is started with a security manager. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the Tomcat realm implementations...

USN-3119-1: Bind vulnerability

Tony Finch and Marco Davids discovered that Bind incorrectly handled certain responses containing a DNAME answer. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service...

USN-2380-1: Bash vulnerabilities

Michal Zalewski discovered that Bash incorrectly handled parsing certain function definitions. If an attacker were able to create an environment variable containing a function definition with a very specific name, these issues could possibly be used to bypass certain environment restrictions and...

USN-853-2: Firefox and Xulrunner regression

USN-853-1 fixed vulnerabilities in Firefox and Xulrunner. The upstream changes introduced regressions that could lead to crashes when processing certain malformed GIF images, fonts and web pages. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Alin Ra...

USN-6916-1: Lua vulnerabilities

It was discovered that Lua did not properly generate code when "ENV" is constant. An attacker could possibly use this issue to cause a denial of service or execute arbitrary unstrusted lua code. CVE-2022-28805 It was discovered that Lua did not properly handle C stack overflows during error...

USN-6237-1: curl vulnerabilities

Hiroki Kurosawa discovered that curl incorrectly handled validating certain certificate wildcards. A remote attacker could possibly use this issue to spoof certain website certificates using IDN hosts. CVE-2023-28321 Hiroki Kurosawa discovered that curl incorrectly handled callbacks when certain...

USN-5898-1: OpenJDK vulnerabilities

It was discovered that the Serialization component of OpenJDK did not properly handle the deserialization of some CORBA objects. An attacker could possibly use this to bypass Java sandbox restrictions. CVE-2023-21830 Markus Loewe discovered that the Java Sound subsystem in OpenJDK did not properl...

USN-5253-1: Rack vulnerabilities

It was discovered that Rack insecurely handled session ids. An unauthenticated remote attacker could possibly use this issue to perform a timing attack and hijack sessions. CVE-2019-16782 It was discovered that Rack was incorrectly handling cookies during parsing, not validating them or performin...

USN-5564-1: Linux kernel (Intel IoTG) 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-5408-1: Dnsmasq vulnerability

Petr Menšík and Richard Johnson discovered that Dnsmasq incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or expose sensitive information...

USN-5385-1: Linux kernel vulnerabilities

Brendan Dolan-Gavitt discovered that the aQuantia AQtion Ethernet device driver in the Linux kernel did not properly validate meta-data coming from the device. A local attacker who can control an emulated device can use this to cause a denial of service system crash or possibly execute arbitrary...

USN-5356-1: DOSBox vulnerabilities

Alexandre Bartel discovered that DOSBox incorrectly handled long lines in certain files. An attacker could possibly use this issue to execute arbitrary code. CVE-2019-7165 Alexandre Bartel discovered that DOSBox incorrectly performed access control over certain directories. An attacker could...

USN-5291-1: libarchive vulnerabilities

It was discovered that libarchive incorrectly handled symlinks. If a user or automated system were tricked into processing a specially crafted archive, an attacker could possibly use this issue to change modes, times, ACLs, and flags on arbitrary files. CVE-2021-23177, CVE-2021-31566 It was...

USN-5192-2: Apache Log4j 2 vulnerability

USN-5192-1 fixed a vulnerability in Apache Log4j 2. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run programs via a special crafted input. An attacker could use this...

USN-5008-2: Avahi vulnerability

USN-5008-1 fixed a vulnerability in avahi. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Thomas Kremer discovered that Avahi incorrectly handled termination signals on the Unix socket. A local attacker could possibly use this...

USN-4905-2: X.Org X Server vulnerability

USN-4905-1 fixed a vulnerability 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 incorrectly handled certain lengths of XInput extension ChangeFeedbackControl requests. An attacker could us...

USN-4975-2: Django vulnerability

USN-4975-1 fixed a vulnerability in Django. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Rasmus Lerchedahl Petersen and Rasmus Wriedt Larsen discovered that Django incorrectly handled path sanitation in admindocs. A remote attacker could possibly...

USN-4970-1: GUPnP vulnerability

It was discovered that GUPnP incorrectly filtered local requests. If a user were tricked into visiting a malicious website, a remote attacker could possibly use this issue to perform actions against local UPnP services such as obtaining or altering sensitive information...