USN-3926-1: GPAC vulnerabilities

It was discovered that the GPAC MP4Box utility incorrectly handled certain memory operations. If an user or automated system were tricked into opening a specially crafted MP4 file, a remote attacker could use this issue to cause MP4Box to crash, resulting in a denial of service, or possibly execu...

USN-3919-1: Firefox vulnerabilities

Two security issues were discovered in the JavaScript engine in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could exploit this by causing a denial of service, or executing arbitrary code...

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-3654-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3654-1 fixed vulnerabilities and added mitigations 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. Jann Horn and Ken Johnson discovered that microprocessors...

USN-3470-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3470-1 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. Qian Zhang discovered a heap-based buffer overflow in the tipcmsgbuild function in the...

USN-3381-1: Linux kernel vulnerabilities

Peter Pi discovered that the colormap handling for frame buffer devices in the Linux kernel contained an integer overflow. A local attacker could use this to disclose sensitive information kernel memory. CVE-2016-8405 It was discovered that the Linux kernel did not properly restrict RLIMITSTACK...

USN-3239-2: GNU C Library Regression

USN-3239-1 fixed vulnerabilities in the GNU C Library. Unfortunately, the fix for CVE-2015-5180 introduced an internal ABI change within the resolver library. This update reverts the change. We apologize for the inconvenience. Please note that long-running services that were restarted to compensa...

USN-3211-2: PHP regression

USN-3211-1 fixed vulnerabilities in PHP by updating to the new 7.0.15 upstream release. PHP 7.0.15 introduced a regression when using MySQL with large blobs. This update fixes the problem with a backported fix. Original advisory details: It was discovered that PHP incorrectly handled certain...

USN-2856-1: ldb vulnerabilities

Thilo Uttendorfer discovered that the ldb incorrectly handled certain zero values. A remote attacker could use this issue to cause applications using ldb, such as Samba, to stop responding, resulting in a denial of service. CVE-2015-3223 Douglas Bagnall discovered that ldb incorrectly handled...

USN-2463-1: Linux kernel vulnerabilities

A race condition with MMIO and PIO transactions in the KVM Kernel Virtual Machine subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service guest OS crash via a specially crafted application. CVE-2014-7842 The KVM kernel virtual machine...

USN-2446-1: Linux kernel 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-2227-1: Linux kernel (OMAP4) vulnerabilities

A flaw was discovered in the Linux kernel's pseudo tty pty device. An unprivileged user could exploit this flaw to cause a denial of service system crash or potentially gain administrator privileges. CVE-2014-0196 Matthew Daley reported an information leak in the floppy disk driver of the Linux...

USN-2024-1: Linux kernel (OMAP4) vulnerabilities

An information leak was discovered in the handling of ICMPv6 Router Advertisement RA messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service excessive retries and address-generation outage, and consequently obtain sensitive...

USN-1993-1: Linux kernel (OMAP4) vulnerability

An information leak was discovered in the Linux kernel when reading broadcast messages from the notifypolicy interface of the IPSec keysocket. A local user could exploit this flaw to examine potentially sensitive information in kernel memory...

USN-1941-1: Linux kernel vulnerabilities

Chanam Park reported a Null pointer flaw in the Linux kernel's Ceph client. A remote attacker could exploit this flaw to cause a denial of service system crash. CVE-2013-1059 Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows for privilege escalation. A local user could...

USN-1425-1: Linux kernel vulnerabilities

Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. CVE-2011-4347 Stephan Bärwolf discovered a flaw in the KVM kernel-based virtual machin...

USN-1256-1: Linux kernel (Natty backport) vulnerabilities

It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities...

USN-804-1: PulseAudio vulnerability

Tavis Ormandy, Julien Tinnes, and Yorick Koster discovered that PulseAudio did not safely re-execute itself. A local attacker could exploit this to gain root privileges...

USN-637-1: Linux kernel vulnerabilities

It was discovered that there were multiple NULL-pointer function dereferences in the Linux kernel terminal handling code. A local attacker could exploit this to execute arbitrary code as root, or crash the system, leading to a denial of service. CVE-2008-2812 The dochangetype routine did not...

USN-6767-1: Linux kernel vulnerabilities

Chenyuan Yang discovered that the RDS Protocol implementation in the Linux kernel contained an out-of-bounds read vulnerability. An attacker could use this to possibly cause a denial of service system crash. CVE-2024-23849 Several security issues were discovered in the Linux kernel. An attacker...

USN-6624-1: Linux kernel 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-6605-2: Linux kernel (KVM) vulnerabilities

Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6040 It was discovered that the CIFS...

USN-6555-2: X.Org X Server vulnerabilities

USN-6555-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled XKB button actions. An attacker could possibly use this iss...

USN-6549-3: Linux kernel (Low Latency) vulnerabilities

It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2023-37453 Lin Ma...

USN-6502-3: Linux kernel (NVIDIA) vulnerabilities

Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. CVE-2023-25775 Yu Hao discover...

USN-6407-1: libx11 vulnerabilities

Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked into connecting to a malicious X server, a remote attacker could use this issue to cause libx11 to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-6231-1: Linux kernel (OEM) vulnerabilities

It was discovered that the XFS file system implementation in the Linux kernel did not properly perform metadata validation when mounting certain images. An attacker could use this to specially craft a file system image that, when mounted, could cause a denial of service system crash. CVE-2023-212...

USN-6094-1: Linux kernel vulnerabilities

Zheng Wang discovered that the Intel i915 graphics driver in the Linux kernel did not properly handle certain error conditions, leading to a double-free. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-3707 Jordy Zomer and Alexandra Sandulescu discover...

USN-6092-1: Linux kernel (Azure) vulnerabilities

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information kernel memory. CVE-2023-0459 Xingyuan Mo discovered that the...

USN-5922-1: FriBidi vulnerabilities

It was discovered that FriBidi incorrectly handled the processing of input strings, resulting in memory corruption. An attacker could possibly use this issue to cause FriBidi to crash, resulting in a denial of service, or potentially execute arbitrary code. CVE-2022-25308 It was discovered that...

USN-5915-1: Linux kernel (OEM) 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-5875-1: Linux kernel (GKE) 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 Tamás Koczka discovered that th...

USN-5816-1: Firefox vulnerabilities

Niklas Baumstark discovered that a compromised web child process of Firefox could disable web security opening restrictions, leading to a new child process being spawned within the file:// context. An attacker could potentially exploits this to obtain sensitive information. CVE-2023-23597 Tom...

USN-5795-1: Net-SNMP vulnerabilities

It was discovered that Net-SNMP incorrectly handled certain requests. A remote attacker could possibly use these issues to cause Net-SNMP to crash, resulting in a denial of service...

USN-5567-1: Linux kernel (OEM) 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-5500-1: Linux kernel vulnerabilities

Eric Biederman discovered that the cgroup process migration implementation in the Linux kernel did not perform permission checks correctly in some situations. A local attacker could possibly use this to gain administrative privileges. CVE-2021-4197 Lin Ma discovered that the NFC Controller...

USN-5423-2: ClamAV vulnerabilities

USN-5423-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. Original advisory details: Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files. A remote attacker could possibly use this issue to cause...

USN-5309-1: virglrenderer vulnerabilities

It was discovered that virglrenderer incorrectly handled memory. An attacker inside a guest could use this issue to cause virglrenderer to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2022-0135 It was discovered that virglrenderer incorrectly initialized memory...

USN-5186-2: Firefox regressions

USN-5186-1 fixed vulnerabilities in Firefox. The update introduced several 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 into opening a specially crafted...

USN-5201-1: Python vulnerabilities

It was discovered that the Python urllib http client could enter into an infinite loop when incorrectly handling certain server responses 100 Continue response. Specially crafted traffic from a malicious HTTP server could cause a denial of service Dos condition for a client...

USN-5132-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, spoof another origin, or execute arbitrary code...

USN-5098-1: bl vulnerability

It was discovered that bl didn't properly sanitize the inputs. An attacker could use this to leak sensitive information...

USN-4937-2: GNOME Autoar regression

USN-4937-1 fixed a vulnerability in GNOME Autoar. The update caused a regression when extracting certain archives. This update fixes the problem. Original advisory details: Ondrej Holy discovered that GNOME Autoar could extract files outside of the intended directory. If a user were tricked into...

USN-4959-1: GStreamer Base Plugins vulnerability

It was discovered that GStreamer Base Plugins incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information...

USN-4607-1: OpenJDK vulnerabilities

It was discovered that OpenJDK incorrectly handled deserializing Proxy class objects with many interfaces. A remote attacker could possibly use this issue to cause a denial of service memory consumption via a specially crafted input. CVE-2020-14779 Sergey Ostanin discovered that OpenJDK incorrect...

USN-4597-1: mod_auth_mellon vulnerabilities

François Kooman discovered that modauthmellon incorrectly handled cookies. An attacker could possibly use this issue to cause a Cross-Site Session Transfer attack. CVE-2017-6807 It was discovered that modauthmellon incorrectly handled certain requests. An attacker could possibly use this issue to...

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-4430-2: Pillow vulnerabilities

USN-4430-1 fixed vulnerabilities in Pillow. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: It was discovered that Pillow incorrectly handled certain image files. If a user or automated system were tricked into opening a specially-crafted image file...

USN-4431-1: FFmpeg vulnerabilities

It was discovered that FFmpeg incorrectly verified empty audio packets or HEVC data. An attacker could possibly use this issue to cause a denial of service via a crafted file. This issue only affected Ubuntu 16.04 LTS, as it was already fixed in Ubuntu 18.04 LTS. For more information see:...