USN-6409-1: GNU C Library vulnerabilities

It was discovered that the GNU C Library incorrectly handled the GLIBCTUNABLES environment variable. An attacker could possibly use this issue to perform a privilege escalation attack. CVE-2023-4911 It was discovered that the GNU C Library incorrectly handled certain DNS responses when the system...

USN-6383-1: Linux kernel vulnerabilities

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. CVE-2023-20588 It was discovered...

USN-6365-1: Open VM Tools vulnerability

It was discovered that Open VM Tools incorrectly handled SAML tokens. A remote attacker could possibly use this issue to bypass SAML token signature verification and perform VMware Tools Guest Operations...

USN-6188-1: OpenSSL vulnerability

Matt Caswell discovered that OpenSSL incorrectly handled certain ASN.1 object identifiers. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service...

USN-6135-1: Linux kernel (Azure CVM) vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6131-1: Linux kernel vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6126-1: libvirt vulnerabilities

It was discovered that libvirt incorrectly handled the nwfilter driver. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. CVE-2022-0897 It was discovered that libvirt incorrectly handled queries f...

USN-6090-1: Linux kernel vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Zheng Wang discovered that the Intel i915 graphics...

USN-6086-1: minimatch vulnerability

It was discovered that minimatch 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...

USN-5977-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel contained 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-2023-1281 It was discovered that the KVM VMX...

USN-5904-1: SoX vulnerabilities

Helmut Grohne discovered that SoX 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. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ES...

USN-5845-2: OpenSSL vulnerabilities

USN-5845-1 fixed several vulnerabilities in OpenSSL. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: David Benjamin discovered that OpenSSL incorrectly handled X.400 address processing. A remote attacker could possibly use this...

USN-5814-1: Linux kernel 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-5774-1: Linux kernel (Azure) vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5773-1: Linux kernel (OEM) vulnerabilities

It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-43945 Jann Horn discovered that the...

USN-5731-1: multipath-tools vulnerabilities

It was discovered that multipath-tools incorrectly handled symlinks. A local attacker could possibly use this issue, in combination with other issues, to escalate privileges. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. CVE-2022-41973 It was discovered that...

USN-5578-2: Open VM Tools vulnerability

USN-5578-1 fixed a vulnerability in Open VM Tools. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Open VM Tools incorrectly handled certain requests. An attacker inside the guest could possibly use this issue to gain root...

USN-5546-1: OpenJDK vulnerabilities

Neil Madden discovered that OpenJDK did not properly verify ECDSA signatures. A remote attacker could possibly use this issue to insert, edit or obtain sensitive information. This issue only affected OpenJDK 17 and OpenJDK 18. CVE-2022-21449 It was discovered that OpenJDK incorrectly limited memo...

USN-5513-1: Linux kernel (AWS) vulnerabilities

Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. CVE-2021-3609 Likang Luo discovered that a race condition existed in the Bluetoo...

USN-5446-2: dpkg vulnerability

USN-5446-1 fixed a vulnerability in dpkg. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially...

USN-5223-2: Apache Log4j 1.2 vulnerability

USN-5223-1 fixed a vulnerability in Apache Log4j 1.2. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Apache Log4j 1.2 was vulnerable to deserialization of untrusted data if the configuration file was editable. An attacker coul...

USN-5147-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled permissions on the .swp file. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 ESM. CVE-2017-17087 It was discovered that Vim incorrectly handled restricted mode. A local attacker...

USN-4574-1: libseccomp-golang vulnerability

It was discovered that libseccomp-golang did not properly generate BPFs. If a process were running under a restrictive seccomp filter that specified multiple syscall arguments, the application could potentially bypass the intended restrictions put in place by seccomp...

USN-4488-2: X.Org X Server vulnerabilities

USN-4488-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update and also the update from USN-4490-1 for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attack...

USN-4476-1: NSS vulnerability

It was discovered that NSS incorrectly handled some inputs. An attacker could possibly use this issue to expose sensitive information...

USN-4454-2: Samba vulnerability

USN-4454-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT...

USN-4445-1: Ghostscript vulnerability

It was 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,...

USN-4435-2: ClamAV vulnerabilities

USN-4435-1 fixed several vulnerabilities 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 parsing ARJ archives. A remote attacker could possibly use this issue to cause...

USN-4384-1: GnuTLS vulnerability

It was discovered that GnuTLS incorrectly handled session ticket encryption keys. A remote attacker could possibly use this issue to bypass authentication or recover sensitive information...

USN-4381-2: Django vulnerabilities

USN-4381-1 fixed several vulnerabilities in Django. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Dan Palmer discovered that Django incorrectly validated memcached cache keys. A remote attacker could possibly use this issue to cause a denial of...

USN-4342-1: Linux kernel vulnerabilities

Al Viro discovered that the Linux kernel for s390x systems did not properly perform page table upgrades for kernel sections that use secondary address mode. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2020-11884 It was discovered that t...

USN-4233-1: GnuTLS update

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

USN-3941-1: Lua vulnerability

Fady Othman discovered that Lua incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service...

USN-3918-3: Firefox regression

USN-3918-1 fixed vulnerabilities in Firefox. The update caused web compatibility issues with some websites. 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...

USN-3721-1: Apache Ant vulnerability

Danny Grander discovered that Apache Ant incorrectly handled certain compressed files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could use this issue to overwrite arbitrary files...

USN-3529-1: Thunderbird vulnerabilities

It was discovered that a From address encoded with a null character is cut off in the message header display. An attacker could potentially exploit this to spoof the sender address. CVE-2017-7829 It was discovered that it is possible to execute JavaScript in RSS feeds in some circumstances. If a...

USN-3524-2: Linux kernel (Trusty HWE) vulnerability

USN-3524-1 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 ESM. Jann Horn discovered that microprocessors utilizing speculative execution and indirect...

USN-3253-2: Nagios regression

USN-3253-1 fixed vulnerabilities in Nagios. The update prevented log files from being displayed in the web interface. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Nagios incorrectly handled certain long strings. A remote...

USN-3207-1: Linux kernel vulnerabilities

It was discovered that a use-after-free vulnerability existed in the block device layer of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly gain administrative privileges. CVE-2016-7910 Dmitry Vyukov discovered a use-after-free vulnerability ...

USN-3183-1: GnuTLS vulnerabilities

Stefan Buehler discovered that GnuTLS incorrectly verified the serial length of OCSP responses. A remote attacker could possibly use this issue to bypass certain certificate validation measures. This issue only applied to Ubuntu 16.04 LTS. CVE-2016-7444 Shi Lei discovered that GnuTLS incorrectly...

USN-3169-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3169-1 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. Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not...

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-3043-1: OpenJDK 8 vulnerabilities

Multiple 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, expose sensitive data over the network, or possibly execute arbitrary code. CVE-2016-3587, CVE-2016-3598,...

USN-3018-1: Linux kernel vulnerabilities

Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling 32 bit compatibility IPTSOSETREPLACE events on 64 bit platforms. A local unprivileged attacker could use this to cause a denial of service system crash or execute...

USN-2992-1: Oxide vulnerabilities

An unspecified security issue was discovered in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to bypass same-origin restrictions. CVE-2016-1673 An issue was discovered with Document reattachment in Blink in some circumstances. ...

USN-2990-1: ImageMagick vulnerabilities

Nikolay Ermishkin and Stewie discovered that ImageMagick incorrectly sanitized untrusted input. A remote attacker could use these issues to execute arbitrary code. These issues are known as "ImageTragick". This update disables problematic coders via the /etc/ImageMagick-6/policy.xml configuration...

USN-2979-3: Linux kernel (Raspberry Pi 2) vulnerability

Philip Pettersson discovered that the Linux kernel's ASN.1 DER decoder did not properly process certificate files with tags of indefinite length. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privilege...

USN-2972-1: OpenJDK 6 vulnerabilities

Multiple 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, expose sensitive data over the network, or possibly execute arbitrary code. CVE-2016-0686, CVE-2016-0687,...

USN-2950-2: libsoup update

USN-2950-1 fixed vulnerabilities in Samba. The updated Samba packages introduced a compatibility issue with NTLM authentication in libsoup. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jouni Knuutinen discovered that Samba contained multiple flaws ...

USN-2929-1: Linux kernel vulnerabilities

Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPTSOSETREPLACE events. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges...