8222 matches found
USN-4015-1 dbus vulnerability
Joe Vennix discovered that DBus incorrectly handled DBUSCOOKIESHA1 authentication. A local attacker could possibly use this issue to bypass authentication and connect to DBus servers with elevated privileges...
USN-4007-1 linux, linux-aws, linux-gcp, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerability
Federico Manuel Bento discovered that the Linux kernel did not properly apply Address Space Layout Randomization ASLR in some situations for setuid a.out binaries. A local attacker could use this to improve the chances of exploiting an existing vulnerability in a setuid a.out binary. As a hardeni...
USN-3918-1 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, denial of service via successive FTP authorization prompts or modal alerts, trick...
USN-3901-2 linux-hwe, linux-aws-hwe, linux-azure, linux-gcp, linux-oracle vulnerabilities
USN-3901-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Jann Horn discovered that the userfaultd implementation in the Linux kernel did not...
USN-3822-1 linux vulnerabilities
Jim Mattson discovered that the KVM implementation in the Linux kernel mismanages the BP and OF exceptions. A local attacker in a guest virtual machine could use this to cause a denial of service guest OS crash. CVE-2016-9588 It was discovered that the generic SCSI driver in the Linux kernel did...
USN-3821-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash. CVE-2018-10880 It...
USN-3814-2 clamav vulnerabilities
Updated: 2018-11-21: The embedded version of libmspack in ClamAV was found to not be affected by the listed vulnerabilities, therefore the following is not applicable. USN-3814-1 fixed several vulnerabilities in libmspack. In Ubuntu 14.04 libmspack is included into ClamAV. This update provides th...
USN-3777-3 linux-azure vulnerabilities
USN-3777-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 %LTS. This update provides the corresponding updates for the Linux kernel for Azure Cloud systems. Jann Horn discovered that the vmacache subsystem did not properly handle sequence number overflows, leading to a use-after-free...
USN-3732-2 linux-hwe, linux-azure, linux-gcp vulnerability
USN-3732-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Juha-Matti Tilli discovered that the TCP implementation in the Linux kernel performed...
USN-3684-1 perl vulnerability
It was discovered that Perl incorrectly handled certain archive files. An attacker could possibly use this to overwrite arbitrary files...
USN-3681-1 imagemagick vulnerabilities
It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of th...
USN-3679-1 qemu update
Ken Johnson and Jann Horn independently discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via sidechannel attacks. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This update...
USN-3595-1 samba vulnerabilities
Björn Baumbach discovered that Samba incorrectly validated permissions when changing account passwords via LDAP. An authenticated attacker could use this issue to change the password of other users, including administrators, and perform actions as those users. CVE-2018-1057 It was discovered that...
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-3455-1 wpa vulnerabilities
Mathy Vanhoef discovered that wpasupplicant and hostapd incorrectly handled WPA2. A remote attacker could use this issue with key reinstallation attacks to obtain sensitive information. CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13086,...
USN-3270-1 nss vulnerabilities
Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update causes NSS to limit use of the same symmetric key...
USN-3265-2 linux-lts-xenial vulnerabilities
USN-3265-1 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. It was discovered that a use-after-free flaw existed in the filesystem encryption...
USN-3239-1 eglibc, glibc vulnerabilities
It was discovered that the GNU C Library incorrectly handled the strxfrm function. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. CVE-2015-8982 It was discovered that an integer...
USN-3214-1 w3m vulnerabilities
A large number of security issues were discovered in the w3m browser. 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 attacks, and arbitrary code...
USN-3199-2 Python Crypto regression
USN-3199-1 fixed a vulnerability in the Python Cryptography Toolkit. Unfortunately, various programs depended on the original behavior of the Python Cryptography Toolkit which was altered when fixing the vulnerability. This update retains the fix for the vulnerability but issues a warning rather...
USN-3199-1 Python Crypto vulnerability
It was discovered that the ALGnew function in blocktemplace.c in the Python Cryptography Toolkit contained a heap-based buffer overflow vulnerability. A remote attacker could use this flaw to execute arbitrary code by using a crafted initialization vector parameter...
USN-3177-2 tomcat6, tomcat7 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-3134-1 python2.7, python3.2, python3.4, python3.5 vulnerabilities
It was discovered that the smtplib library in Python did not return an error when StartTLS fails. A remote attacker could possibly use this to expose sensitive information. CVE-2016-0772 Rémi Rampin discovered that Python would not protect CGI applications from contents of the HTTPPROXY environme...
USN-3099-3 linux-raspi2 vulnerabilities
Vladimír Beneš discovered an unbounded recursion in the VLAN and TEB Generic Receive Offload GRO processing implementations in the Linux kernel, A remote attacker could use this to cause a stack corruption, leading to a denial of service system crash. CVE-2016-7039 Marco Grassi discovered a...
USN-3055-1 linux vulnerabilities
Ben Hawkes discovered an integer overflow in the Linux netfilter implementation. On systems running 32 bit kernels, a local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges. CVE-2016-3135 It was...
USN-3053-1 linux-lts-vivid vulnerabilities
A missing permission check when settings ACLs was discovered in nfsd. A local user could exploit this flaw to gain access to any file by setting an ACL. CVE-2016-1237 It was discovered that the keyring implementation in the Linux kernel did not ensure a data structure was initialized before...
USN-2751-1 linux-lts-vivid vulnerabilities
Benjamin Randazzo discovered an information leak in the md multiple device driver when the bitmapinfo.file is disabled. A local privileged attacker could use this to obtain sensitive information from the kernel. CVE-2015-5697 Marc-André Lureau discovered that the vhost driver did not properly...
USN-2494-1 file vulnerabilities
Francisco Alonso discovered that file incorrectly handled certain ELF files. An attacker could use this issue to cause file to crash, resulting in a denial of service. CVE-2014-3710 Thomas Jarosch discovered that file incorrectly handled certain ELF files. An attacker could use this issue to caus...
USN-2469-1 python-django vulnerabilities
Jedediah Smith discovered that Django incorrectly handled underscores in WSGI headers. A remote attacker could possibly use this issue to spoof headers in certain environments. CVE-2015-0219 Mikko Ohtamaa discovered that Django incorrectly handled user-supplied redirect URLs. A remote attacker...
USN-2467-1 linux-lts-utopic vulnerabilities
A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service system crash via a malformed INIT chunk. CVE-2014-7841 A race condition with MMIO and PIO transactions in the KV...
USN-2446-1 linux vulnerabilities
Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment SS register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. CVE-2014-9322 An information leak in the Linux kernel was discovered...
USN-2342-1 qemu, qemu-kvm vulnerabilities
Michael S. Tsirkin, Anthony Liguori, and Michael Roth discovered multiple issues with QEMU state loading after migration. An attacker able to modify the state data could use these issues to cause a denial of service, or possibly execute arbitrary code. CVE-2013-4148, CVE-2013-4149, CVE-2013-4150,...
USN-2295-1 firefox vulnerabilities
Christian Holler, David Keeler, Byron Campen, Gary Kwong, Jesse Ruderman, Andrew McCreight, Alon Zakai, Bobby Holley, Jonathan Watt, Shu-yu Guo, Steve Fink, Terrence Cole, Gijs Kruitbosch and Cătălin Badea discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a...
USN-8814-1 octavia vulnerabilities
It was discovered that Octavia did not properly validate TLS cipher string fields in the Amphora provider driver. An authenticated attacker who owns a TLS-enabled load balancer could possibly use this issue to inject arbitrary HAProxy configuration directives. CVE-2026-94572 It was discovered tha...
USN-8803-1 sudo vulnerability
Guannan Wang, Zhanpeng Liu, and Guancheng Li discovered that Sudo failed to apply intercept policy checks when commands were executed under certain circumstances. A local attacker permitted to run specific commands could possibly use this issue to bypass policy enforcement and logging, executing...
USN-8728-2 linux-azure-7.0 vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8781-1 linux-nvidia-tegra vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8727-1 linux-oem-7.0 vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8705-1 zfs-linux vulnerability
It was discovered that OpenZFS incorrectly handled authorization checks for certain ioctl operations on Linux. A local attacker could possibly use this issue to perform pool-administrative operations or access privileged information, resulting in an authorization bypass...
USN-8629-2 linux-aws-7.0 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: - x86 architecture; - InfiniBand drivers; - Network drivers; - Network traffic control; - IPv4 networking; - IPv6...
USN-8623-1 linux-nvidia-6.17 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; - Arm Firmware Framework for ARMv8-AFFA; CVE-2026-53354, CVE-2026-64520...
USN-8622-1 linux-nvidia, linux-nvidia-7.0 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; - Arm Firmware Framework for ARMv8-AFFA; CVE-2026-53354, CVE-2026-64520...
USN-8615-2 linux-raspi, linux-raspi-5.4 vulnerabilities
It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...
USN-8547-2 linux-azure-fips 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: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...
USN-8611-1 glibc vulnerabilities
It was discovered that the GNU C Library iconv function incorrectly handled certain IBM character sets. An attacker could possibly use this issue to cause a denial of service. CVE-2026-4046 It was discovered that the GNU C Library DNS functions incorrectly handled certain DNS server responses whe...
USN-8609-1 linux-azure-fde-6.8 vulnerabilities
It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...
USN-8608-1 linux-azure-fips vulnerabilities
It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...
USN-8595-2 linux-aws vulnerabilities
It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 It was discovered that some AMD Zen 2 processors did not properly isolate shared...
USN-8597-1 linux-ibm-5.15 vulnerabilities
Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose...
USN-8592-1 imagemagick vulnerabilities
Hao Ren discovered that ImageMagick incorrectly handled certain images when using the wavelet-denoise operation. An attacker could possibly use this issue to trigger an out-of-bounds heap write, resulting in arbitrary code execution. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,...