USN-6785-1: GNOME Remote Desktop vulnerability

Matthias Gerstner discovered that GNOME Remote Desktop incorrectly performed certain user validation checks. A local attacker could possibly use this issue to obtain sensitive information, or take control of remote desktop connections...

USN-6737-1: GNU C Library vulnerability

Charles Fol discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-6716-1: Linux kernel (Azure) vulnerabilities

Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system...

USN-6425-1: Samba vulnerabilities

Sri Nagasubramanian discovered that the Samba aclxattr VFS module incorrectly handled read-only files. When Samba is configured to ignore system ACLs, a remote attacker could possibly use this issue to truncate read-only files. CVE-2023-4091 Andrew Bartlett discovered that Samba incorrectly handl...

USN-6060-1: 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 8.0.33 in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04. Ubuntu 18.04 LTS has been updated to MySQL 5.7.42. In addition to...

USN-6011-1: Json-smart vulnerabilities

It was discovered that Json-smart incorrectly handled memory when processing input containing unclosed quotes. A remote attacker could possibly use this issue to cause applications using Json-smart to crash, leading to a denial of service. CVE-2021-31684 It was discovered that Json-smart...

USN-5973-1: url-parse vulnerabilities

It was discovered that url-parse 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, or to perform a server-side request forgery attack or open...

USN-5821-2: wheel vulnerability

USN-5821-1 fixed a vulnerability in wheel. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this...

USN-5808-1: Linux kernel (IBM) 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-5789-1: 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-5588-1: Linux kernel vulnerability

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-5479-2: PHP vulnerabilities

USN-5479-1 fixed vulnerabilities in PHP. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: Charles Fol discovered that PHP incorrectly handled initializing certain arrays when handling the pgqueryparams function. A remote attacker could use this issue...

USN-5482-1: SPIP vulnerabilities

It was discovered that SPIP incorrectly validated inputs. An authenticated attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 18.04 LTS. CVE-2020-28984 Charles Fol and Théo Gordyjan discovered that SPIP is vulnerable to Cross Site Scripting XSS. If a...

USN-5224-2: Ghostscript vulnerabilities

USN-5224-1 fixed several vulnerabilities in Ghostscript. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated system were tricked into processing a...

USN-5127-1: WebKitGTK vulnerabilities

A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. 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...

USN-5099-1: Imlib2 vulnerability

It was discovered that Imlib2 incorrectly handled certain ICO images. An attacker could use this issue to cause a denial of service and possibly execute arbitrary code...

USN-5089-2: ca-certificates update

USN-5089-1 updated ca-certificates. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: The ca-certificates package contained a CA certificate that will expire on 2021-09-30 and will cause connectivity issues. This update removes the...

USN-5069-2: mod-auth-mellon vulnerability

USN-5069-1 fixed a vulnerability in mod-auth-mellon. This update provides the corresponding updates for Ubuntu 21.04. Original advisory details: It was discovered that mod-auth-mellon incorrectly filtered certain URLs. A remote attacker could possibly use this issue to perform an open redirect...

USN-5060-2: NTFS-3G vulnerabilities

USN-5060-1 fixed a vulnerability in NTFS-3G. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that NTFS-3G incorrectly handled certain image file. An attacker could possibly use this issue to execute arbitrary co...

USN-4958-1: Caribou vulnerability

It was discovered that the Caribou onscreen keyboard could be made to crash when given certain input values. An attacker could use this to bypass screen-locking applications that support using Caribou as an input mechanism...

USN-4944-1: MariaDB vulnerabilities

This update fixed multiple vulnerabilities in MariaDB. Ubuntu 18.04 LTS has been updated to MariaDB 10.1.48. Ubuntu 20.04 LTS has been updated to MariaDB 10.3.29. Ubuntu 20.10 has been updated to MariaDB 10.3.29. Ubuntu 21.04 has been updated to MariaDB 10.5.10...

USN-4632-1: SLiRP vulnerabilities

It was discovered that the SLiRP networking implementation of the QEMU emulator did not properly manage memory under certain circumstances. An attacker could use this to cause a heap-based buffer overflow or other out- of-bounds access, which can lead to a denial of service application crash or...

USN-4496-1: Apache XML-RPC vulnerability

It was discovered that Apache XML-RPC aka ws-xmlrpc does not properly deserialize untrusted data. An attacker could possibly use this issue to execute arbitrary code. CVE-2019-17570...

USN-4460-1: Oniguruma vulnerabilities

It was discovered that Oniguruma incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information or other unspecified impact. CVE-2019-16163, CVE-2019-19012, CVE-2019-19204, CVE-2019-19246...

USN-4424-1: snapd vulnerabilities

It was discovered that cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices ran on every boot without restrictions. A physical attacker could exploit this to craft cloud-init user-data/meta-data via external media to perform arbitrary changes on the device to bypass intende...

LSN-0068-1: Kernel Live Patch Security Notice

It was discovered that the virtual terminal implementation in the Linux kernel did not properly handle resize events. A local attacker could use this to expose sensitive information. CVE-2020-8647 It was discovered that the virtual terminal implementation in the Linux kernel contained a race...

USN-4379-1: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly exeucte arbitrary code...

USN-4316-2: GD Graphics Library vulnerabilities

USN-4316-1 fixed a vulnerability in GD Graphics Library. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that GD Graphics Library incorrectly handled cloning an image. An attacker could possibly use this issue to cause GD Graphics...

USN-4293-1: libarchive vulnerabilities

It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly use this issue to access sensitive information. CVE-2019-19221 It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly use this issue to cause a...

USN-4242-1: Sysstat vulnerabilities

It was discovered that Sysstat incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 19.04 and Ubuntu 19.10. CVE-2019-16167 It was discovered that Sysstat incorrectly handled certain inputs. An...

USN-4236-1: Libgcrypt vulnerability

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information...

USN-4167-2: Samba vulnerabilities

USN-4167-1 fixed several vulnerabilities in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Michael Hanselmann discovered that the Samba client code incorrectly handled path separators. If a user were tricked into connecti...

USN-4136-2: wpa_supplicant and hostapd vulnerability

USN-4136-1 fixed a vulnerability in wpasupplicant. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that wpasupplicant incorrectly handled certain management frames. An attacker could possibly use this issue to...

USN-3971-1: Monit vulnerabilities

Zack Flack discovered that Monit incorrectly handled certain input. A remote authenticated user could exploit this to conduct cross-site scripting XSS attacks. CVE-2019-11454 Zack Flack discovered a buffer overread when Monit decoded certain crafted URLs. An attacker could exploit this to leak...

USN-3871-5: Linux kernel (Azure) vulnerabilities

Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-3691-1: OpenJDK 7 vulnerabilities

It was discovered that the Security component of OpenJDK did not correctly perform merging of multiple sections for the same file listed in JAR archive file manifests. An attacker could possibly use this to modify attributes in a manifest without invalidating the signature. CVE-2018-2790 Francesc...

USN-3653-2: Linux kernel (HWE) vulnerabilities

USN-3653-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. Jann Horn and Ken Johnson discovered that microprocessors utilizing...

USN-3600-2: PHP vulnerabilities

USN-3600-1 fixed a vulnerability in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that PHP incorrectly handled the PHAR 404 error page. A remote attacker could possibly use this issue to conduct cross-site scripting XSS...

USN-3522-1: Linux kernel vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3415-1: tcpdump vulnerabilities

Wilfried Kirsch discovered a buffer overflow in the SLIP decoder in tcpdump. A remote attacker could use this to cause a denial of service application crash or possibly execute arbitrary code. CVE-2017-11543 Bhargava Shastry discovered a buffer overflow in the bitfield converter utility function...

USN-3271-1: Libxslt vulnerabilities

Holger Fuhrmannek discovered an integer overflow in the xsltAddTextString function in Libxslt. An attacker could use this to craft a malicious document that, when opened, could cause a denial of service application crash or possible execute arbitrary code. CVE-2017-5029 Nicolas Gregoire discovere...

USN-3261-1: QEMU vulnerabilities

Zhenhao Hong discovered that QEMU incorrectly handled the Virtio GPU device. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10. CVE-2016-10028, CVE-2016-10029 Li Qiang discovered...

USN-3183-2: GnuTLS vulnerability

USN-3183-1 fixed CVE-2016-8610 in GnuTLS in Ubuntu 16.04 LTS and Ubuntu 16.10. This update provides the corresponding update for Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Original advisory details: Stefan Buehler discovered that GnuTLS incorrectly verified the serial length of OCSP responses. A remo...

USN-3227-1: ICU vulnerabilities

It was discovered that ICU incorrectly handled certain memory operations when processing data. If an application using ICU processed crafted data, a remote attacker could possibly cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program...

USN-3175-2: Firefox regression

USN-3175-1 fixed vulnerabilities in Firefox. The update caused a regression on systems where the AppArmor profile for Firefox is set to enforce mode. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple memory safety issues were discovered in...

USN-3169-4: Linux kernel (Qualcomm Snapdragon) vulnerabilities

Baozeng Ding discovered a race condition that could lead to a use-after- free in the Advanced Linux Sound Architecture ALSA subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2016-9794 Andrey Konovalov discovered that signed integer...

USN-3121-1: OpenJDK 8 vulnerabilities

It was discovered that the Hotspot component of OpenJDK did not properly check arguments of the System.arraycopy function in certain cases. An attacker could use this to bypass Java sandbox restrictions. CVE-2016-5582 It was discovered that OpenJDK did not restrict the set of algorithms used for...

USN-3099-1: Linux kernel 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-2985-2: GNU C Library regression

USN-2985-1 fixed vulnerabilities in the GNU C Library. The fix for CVE-2014-9761 introduced a regression which affected applications that use the libm library but were not fully restarted after the upgrade. This update removes the fix for CVE-2014-9761 and a future update will be provided to...

USN-2971-2: Linux kernel (Wily HWE) vulnerabilities

USN-2971-1 fixed vulnerabilities in the Linux kernel for Ubuntu 15.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 15.10 for Ubuntu 14.04 LTS. Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did no...