USN-7040-1: ConfigObj vulnerability

It was discovered that ConfigObj contains regex that is susceptible to catastrophic backtracking. An attacker could possibly use this issue to cause a regular expression denial of service...

USN-7038-1: APR vulnerability

Thomas Stangner discovered a permission vulnerability in the Apache Portable Runtime APR library. A local attacker could possibly use this issue to read named shared memory segments, potentially exposing sensitive application data...

USN-4225-1: Linux kernel vulnerabilities

It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-14895, CVE-2019-14901 It was discovered that a...

USN-4013-1: libsndfile vulnerabilities

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

USN-3999-1: GnuTLS vulnerabilities

Eyal Ronen, Kenneth G. Paterson, and Adi Shamir discovered that GnuTLS was vulnerable to a timing side-channel attack known as the "Lucky Thirteen" issue. A remote attacker could possibly use this issue to perform plaintext-recovery attacks via analysis of timing data. This issue only affected...

USN-7112-1: GD Graphics Library vulnerability

It was discovered that the GD Graphics Library did not perform proper bounds checking while handling BMP and WebP files. If a user were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service application crash...

USN-7034-1: ca-certificates update

The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.64 version of the Mozilla certificate authority bundle...

USN-4478-2: Python-RSA vulnerability

USN-4478-1 fixed a vulnerability in Python-RSA. This update provides the corresponding update for Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. Original advisory details: It was discovered that Python-RSA incorrectly handled certain ciphertexts. An attacker could possibly use this issu...

USN-4163-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the ARC EMAC ethernet driver for the Linux kernel, resulting in a use-after-free vulnerability. An attacker could use this to cause a denial of service system crash. CVE-2016-10906 It was discovered that a race condition existed in the Serial...

USN-4627-1: Linux kernel vulnerability

Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine Easdon, Claudio Canella, and Daniel Gruss discovered that the Intel Running Average Power Limit RAPL driver in the Linux kernel did not properly restrict access to power data. A local attacker could possibly use this to expose...

USN-4162-1: Linux kernel vulnerabilities

It was discovered that the RSI 91x Wi-Fi driver in the Linux kernel did not did not handle detach operations correctly, leading to a use-after-free vulnerability. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-3786-1: libxkbcommon vulnerabilities

It was discovered that libxkbcommon incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856, CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861, CVE-2018-15862,...

USN-3776-1: Linux kernel vulnerabilities

Jann Horn discovered that the vmacache subsystem did not properly handle sequence number overflows, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2018-17182 It was discovered that the...

USN-5090-2: Apache HTTP Server vulnerabilities

USN-5090-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that the Apache HTTP Server incorrectly handled certain malformed requests. A remote attacker could possibly us...

USN-5044-1: Linux kernel vulnerabilities

It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle HCI device initialization failure, leading to a double-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2021-3564 It was discovered that th...

USN-4227-1: Linux kernel vulnerabilities

It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-14895, CVE-2019-14901 It was discovered that a...

USN-7092-2: mpg123 vulnerability

USN-7092-1 fixed a vulnerability in mpg123. Bastien Roucariès discovered that the fix was incomplete on Ubuntu 20.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that mpg123 incorrectly handled certain mp3 files. If a user or...

USN-3785-1: ImageMagick vulnerabilities

Due to a large number of issues discovered in GhostScript that prevent it from being used by ImageMagick safely, this update includes a default policy change that disables support for the Postscript and PDF formats in ImageMagick. This policy can be overridden if necessary by using an alternate...

USN-3298-2: MiniUPnP vulnerability

USN-3298-1 fixed a vulnerability in MiniUPnP. This update provides the corresponding update for Ubuntu 17.04. Original advisory details: It was discovered that MiniUPnP incorrectly handled memory. A remote attacker could use this issue to cause a denial of service or possibly execute arbitrary co...

USN-6895-4: Linux kernel vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the HugeTLB file syst...

USN-3213-1: GD library vulnerabilities

Stefan Esser discovered that the GD library incorrectly handled memory when processing certain images. If a user or automated system were tricked into processing a specially crafted image, an attacker could cause a denial of service, or possibly execute arbitrary code. This issue only affected...

USN-5528-1: FreeType vulnerabilities

It was discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash, or possibly execute arbitrary code...

USN-3538-1: OpenSSH vulnerabilities

Jann Horn discovered that OpenSSH incorrectly loaded PKCS11 modules from untrusted directories. A remote attacker could possibly use this issue to execute arbitrary PKCS11 modules. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-10009 Jann Horn discovered that OpenSSH...

USN-4628-3: Intel Microcode vulnerabilities

USN-4628-1 provided updated Intel Processor Microcode for various processor types. This update provides the corresponding updates for some additional processor types. Original advisory details: Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine Easdon, Claudio Canella, and Dani...

USN-4369-1: Linux kernel vulnerabilities

It was discovered that the btrfs implementation in the Linux kernel did not properly detect that a block was marked dirty in some situations. An attacker could use this to specially craft a file system image that, when unmounted, could cause a denial of service system crash. CVE-2019-19377 Trista...

USN-4115-2: Linux kernel regression

USN 4115-1 fixed vulnerabilities in the Linux 4.15 kernel for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. Unfortunately, as part of the update, a regression was introduced that caused a kernel crash when handling fragmented packets in some situations. This update addresses the issue. We apologize for...

USN-4722-1: ReadyMedia (MiniDLNA) vulnerabilities

It was discovered that ReadyMedia MiniDLNA allowed subscription requests with a delivery URL on a different network segment than the fully qualified event- subscription URL. An attacker could use this to hijack smart devices and cause denial of service attacks. CVE-2020-12695 It was discovered th...

USN-4368-1: Linux kernel vulnerabilities

Tristan Madani discovered that the file locking implementation in the Linux kernel contained a race condition. A local attacker could possibly use this to cause a denial of service or expose sensitive information. CVE-2019-19769 It was discovered that the Serial CAN interface driver in the Linux...

USN-4949-1: Linux kernel vulnerabilities

Ryota Shiga discovered that the eBPF implementation in the Linux kernel did not properly verify that a BPF program only reserved as much memory for a ring buffer as was allocated. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-3489...

USN-4749-1: Linux kernel vulnerabilities

Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2020-25669 It was discovered that the jfs file system implementation in the Linux kernel...

USN-5911-1: Linux kernel 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-5395-2: networkd-dispatcher regression

USN-5395-1 fixed vulnerabilities in networkd-dispatcher. Unfortunately that update was incomplete and could introduce a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that networkd-dispatcher incorrectly handled internal...

USN-5003-1: Linux kernel 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 It was discovered that the eBPF implementation in the Linux kernel...

USN-4378-1: Flask vulnerability

It was discovered that Flask incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service...

USN-4064-1: Thunderbird vulnerabilities

A sandbox escape was discovered in Thunderbird. If a user were tricked in to installing a malicious language pack, an attacker could exploit this to gain additional privileges. CVE-2019-9811 Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially...

USN-3900-1: GD vulnerabilities

It was discovered that GD incorrectly handled memory when processing certain images. A remote attacker could use this issue with a specially crafted image file to cause GD to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4999-1: Linux kernel 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 Piotr Krysiuk discovered that the eBPF implementation in the Linux...

USN-4708-1: Linux kernel vulnerabilities

Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track inode validations. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service system crash. CVE-2018-13093 It was discovered that the btrfs fi...

USN-3855-1: systemd vulnerabilities

It was discovered that systemd-journald allocated variable-length buffers for certain message fields on the stack. A local attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. CVE-2018-16864 It was discovered that systemd-journald allocated...

USN-6557-1: Vim vulnerabilities

It was discovered that Vim could be made to dereference invalid memory. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. CVE-2022-1725 It was discovered that Vim could be made to recurse...

USN-4967-2: nginx vulnerability

USN-4967-1 fixed a vulnerability in nginx. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. Original advisory details: Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx incorrectly handled responses to the DNS resolver. A remote attacker could...

USN-4390-1: Linux kernel vulnerabilities

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2020-0067 It was discovered that memory contents...

USN-3787-1: Tomcat vulnerability

It was discovered that Tomcat incorrectly handled returning redirects to a directory. A remote attacker could possibly use this issue with a specially crafted URL to redirect to arbitrary URIs...

USN-2966-1: OpenSSH vulnerabilities

Shayan Sadigh discovered that OpenSSH incorrectly handled environment files when the UseLogin feature is enabled. A local attacker could use this issue to gain privileges. CVE-2015-8325 Ben Hawkes discovered that OpenSSH incorrectly handled certain network traffic. A remote attacker could possibl...

LSN-0065-1: Kernel Live Patch Security Notice

Andrew Honig reported a flaw in the way KVM Kernel-based Virtual Machine emulated the IOAPIC. A privileged guest user could exploit this flaw to read host memory or cause a denial of service crash the host. CVE-2013-1798 It was discovered that the KVM implementation in the Linux kernel, when...

USN-3613-1: OpenJDK 8 vulnerabilities

It was discovered that a race condition existed in the cryptography implementation in OpenJDK. An attacker could possibly use this to expose sensitive information. CVE-2018-2579 It was discovered that the Hotspot component of OpenJDK did not properly validate uses of the invokeinterface JVM...

USN-5811-1: Sudo vulnerabilities

Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly handled user-specified editors when using the sudoedit command. A local attacker that has permission to use the sudoedit command could possibly use this issue to edit arbitrary files. CVE-2023-22809 It was discovered that the...

USN-4982-1: Linux kernel vulnerabilities

Kiyin 尹亮 discovered that the NFC LLCP protocol implementation in the Linux kernel contained a reference counting error. A local attacker could use this to cause a denial of service system crash. CVE-2020-25670 Kiyin 尹亮 discovered that the NFC LLCP protocol implementation in the Linux kernel did n...

USN-3994-1: gnome-desktop vulnerability

It was discovered that gnome-desktop incorrectly confined thumbnailers. If a user were tricked into downloading a malicious image file, a remote attacker could possibly combine this issue with another vulnerability to escape the sandbox and execute arbitrary code...

USN-4320-1: Linux kernel vulnerability

Al Viro discovered that the vfs layer 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 expose sensitive information kernel memory...