USN-4700-1: PyXDG vulnerability

Alexandre D'Hondt discovered that PyXDG did not properly sanitize input. An attacker could exploit this with a crafted .menu file to execute arbitrary code...

USN-4611-1: Samba vulnerabilities

Steven French discovered that Samba incorrectly handled ChangeNotify permissions. A remote attacker could possibly use this issue to obtain file name information. CVE-2020-14318 Bas Alberts discovered that Samba incorrectly handled certain winbind requests. A remote attacker could possibly use th...

USN-4474-2: Firefox regressions

USN-4474-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted...

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-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-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-4252-2: tcpdump vulnerabilities

USN-4252-1 fixed several vulnerabilities in tcpdump. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Multiple security issues were discovered in tcpdump. A remote attacker could use these issues to cause tcpdump to crash, resulti...

USN-4230-2: ClamAV vulnerability

USN-4230-1 fixed a vulnerability in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that ClamAV incorrectly handled certain MIME messages. A remote attacker could possibly use this issue to cause ClamAV ...

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-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-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-3816-3: systemd regression

USN-3816-1 fixed vulnerabilities in systemd. The fix for CVE-2018-6954 caused a regression in systemd-tmpfiles when running Ubuntu inside a container on some older kernels. This issue only affected Ubuntu 16.04 LTS. In order to continue to support this configuration, the fixes for CVE-2018-6954...

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-3678-2: Linux kernel (Azure) 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-3617-1: Linux kernel vulnerabilities

It was discovered that a race condition leading to a use-after-free vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-0861 It was discovered that the KVM...

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-3425-1: Apache HTTP Server vulnerability

Hanno Böck discovered that the Apache HTTP Server incorrectly handled Limit directives in .htaccess files. In certain configurations, a remote attacker could possibly use this issue to read arbitrary server memory, including sensitive information. This issue is known as Optionsbleed...

USN-3364-3: Linux kernel (AWS, GKE) vulnerabilities

It was discovered that the Linux kernel did not properly initialize a Wake- on-Lan data structure. A local attacker could use this to expose sensitive information kernel memory. CVE-2014-9900 It was discovered that the Linux kernel did not properly restrict access to /proc/iomem. A local attacker...

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-2706-1: OpenJDK 6 vulnerabilities

Several vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data integrity, and availability. An attacker could exploit these to cause a denial of service or expose sensitive data over the network. CVE-2015-2590, CVE-2015-2628, CVE-2015-4731, CVE-2015-4732,...

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-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-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-549-1: PHP vulnerabilities

It was discovered that the wordwrap function did not correctly check lengths. Remote attackers could exploit this to cause a crash or monopolize CPU resources, resulting in a denial of service. CVE-2007-3998 Integer overflows were discovered in the strspn and strcspn functions. Attackers could...

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-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-7301-1: Linux kernel vulnerabilities

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-6652-1: Linux kernel (Azure) vulnerabilities

Marek Marczykowski-Górecki discovered that the Xen event channel infrastructure implementation in the Linux kernel contained a race condition. An attacker in a guest VM could possibly use this to cause a denial of service paravirtualized device unavailability. CVE-2023-34324 Zheng Wang discovered...

USN-5499-1: curl vulnerabilities

Florian Kohnhuser discovered that curl incorrectly handled returning a TLS server’s certificate chain details. A remote attacker could possibly use this issue to cause curl to stop responding, resulting in a denial of service. CVE-2022-27781 Harry Sintonen discovered that curl incorrectly handled...

USN-5495-1: curl vulnerabilities

Harry Sintonen discovered that curl incorrectly handled certain cookies. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 21.10, and Ubuntu 22.04 LTS. CVE-2022-32205 Harry Sintonen discovered that curl incorrectly handled certain HTTP...

USN-5470-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. CVE-2022-21499 Aaron Adams discovered that the netfilter subsystem in the Linux...

USN-5373-2: Django vulnerabilities

USN-5373-1 fixed several vulnerabilities in Django. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that Django incorrectly handled certain certain column aliases in the QuerySet.annotate, aggregate, and extra...

USN-5373-1: Django vulnerabilities

It was discovered that Django incorrectly handled certain certain column aliases in the QuerySet.annotate, aggregate, and extra methods. A remote attacker could possibly use this issue to perform an SQL injection attack. CVE-2022-28346 It was discovered that Django incorrectly handled certain...

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-5244-1: DBus vulnerability

Daniel Onaca discovered that DBus contained a use-after-free vulnerability, caused by the incorrect handling of usernames sharing the same UID. An attacker could possibly use this issue to cause DBus to crash, resulting in a denial of service...

USN-5119-1: libcaca vulnerabilities

It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause a crash. CVE-2021-30498, CVE-2021-30499...

USN-5066-2: PySAML2 vulnerability

USN-5066-1 fixed a vulnerability in PySAML2. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Brian Wolff discovered that PySAML2 incorrectly validated cryptographic signatures. A remote attacker could possibly use this issue to alter SAML documents...

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-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-5034-2: c-ares vulnerability

USN-5034-1 fixed a vulnerability in c-ares. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Philipp Jeitner and Haya Shulman discovered that c-ares incorrectly validated certain hostnames returned by DNS servers. A remote attacker could possibly use...

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-4768-1: musl vulnerabilities

It was discovered that musl did not properly handle kernel syscalls. An attacker could use this vulnerability to cause a denial of service crash or possibly execute arbitrary code. CVE-2018-1000001 It was discovered that musl did not properly handle the parsing of DNS response codes. A remote...

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-4376-1: OpenSSL vulnerabilities

Cesar Pereida García, Sohaib ul Hassan, Nicola Tuveri, Iaroslav Gridin, Alejandro Cabrera Aldaya, and Billy Brumley discovered that OpenSSL incorrectly handled ECDSA signatures. An attacker could possibly use this issue to perform a timing side-channel attack and recover private ECDSA keys...

USN-4372-1: QEMU vulnerabilities

It was discovered that QEMU incorrectly handled bochs-display devices. A local attacker in a guest could use this to cause a denial of service or possibly execute arbitrary code in the host. This issue only affected Ubuntu 19.10. CVE-2019-15034 It was discovered that QEMU incorrectly handled memo...