USN-5880-1: Firefox vulnerabilities

Christian Holler discovered that Firefox did not properly manage memory when using PKCS 12 Safe Bag attributes. An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes. CVE-2023-0767 Johan Carlsson discovered that Firefox did not properly manag...

USN-5872-1: NSS vulnerabilities

Tavis Ormandy discovered that NSS incorrectly handled an empty pkcs7 sequence. A remote attacker could possibly use this issue to cause NSS to crash, resulting in a denial of service. CVE-2022-22747 Ronald Crane discovered that NSS incorrectly handled certain memory operations. A remote attacker...

USN-5866-1: Nova vulnerabilities

It was discovered that Nova did not properly manage data logged into the log file. An attacker with read access to the service's logs could exploit this issue and may obtain sensitive information. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. CVE-2015-9543 It was discovered that...

USN-5847-1: Grunt vulnerabilities

It was discovered that Grunt was not properly loading YAML files before parsing them. An attacker could possibly use this issue to execute arbitrary code. CVE-2020-7729 It was discovered that Grunt was not properly handling symbolic links when performing file copy operations. An attacker could...

USN-5842-1: EditorConfig Core C vulnerability

Mark Esler and David Fernandez Gonzalez discovered that EditorConfig Core C incorrectly handled memory when handling certain inputs. An attacker could possibly use this issue to cause applications using EditorConfig Core C to crash, resulting in a denial of service, or possibly execute arbitrary...

USN-5811-2: Sudo vulnerability

USN-5811-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly handled user-specified editors when using the sudoedit command. A local attacker that has...

USN-5767-1: Python vulnerabilities

Nicky Mouha discovered that Python incorrectly handled certain SHA-3 internals. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2022-37454 It was discovered that Python incorrectly handled certain IDNA inputs. An attacker could possibly use this issue to...

USN-5664-1: OpenJPEG vulnerabilities

It was discovered that OpenJPEG did not properly handle PNM headers, resulting in a null pointer dereference. A remote attacker could possibly use this issue to cause a denial of service DoS. CVE-2016-7445 It was discovered that OpenJPEG incorrectly handled certain image files resulting in divisi...

USN-5630-1: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-33655 Moshe Ko...

USN-5628-1: etcd vulnerabilities

It was discovered that etcd incorrectly handled certain specially crafted WAL files. An attacker could possibly use this issue to cause a denial of service. CVE-2020-15106, CVE-2020-15112 It was discovered that etcd incorrectly handled directory permissions when trying to create a directory that...

USN-5626-2: Bind vulnerabilities

USN-5626-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind incorrectly handled large delegations. A remote attacker...

USN-5613-2: Vim regression

USN-5613-1 fixed vulnerabilities in Vim. Unfortunately that update failed to include binary packages for some architectures. This update fixes that regression. We apologize for the inconvenience. Original advisory details: It was discovered that Vim was not properly performing bounds checks when...

USN-5612-1: Intel Microcode vulnerability

Pietro Borrello, Andreas Kogler, Martin Schwarzl, Daniel Gruss, Michael Schwarz and Moritz Lipp discovered that some Intel processors did not properly clear data between subsequent xAPIC MMIO reads. This could allow a local attacker to compromise SGX enclaves...

USN-5525-1: Apache XML Security for Java vulnerability

It was discovered that Apache XML Security for Java incorrectly passed a configuration property when creating specific key elements. This allows an attacker to abuse an XPath Transform to extract sensitive information...

USN-5161-1: Linux kernel vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the AMD...

USN-5152-1: 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, bypass security restrictions, spoof the UI, confuse the user, conduct phishing...

USN-5054-2: uWSGI vulnerability

USN-5054-1 fixed a vulnerability in uWSGI for Ubuntu 18.04 LTS. This update provides the corresponding fixes for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Felix Wilhelm discovered a buffer overflow flaw in the modproxyuwsgi module. An attacker could use this vulnerability ...

USN-4665-2: curl vulnerabilities

USN-4665-1 fixed several vulnerabilities in curl. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Varnavas Papaioannou discovered that curl incorrectly handled FTP PASV responses. An attacker could possibly use this issue to tric...

USN-4653-1: containerd vulnerability

It was discovered that access controls for the shim’s API socket did not restrict access to the abstract unix domain socket in some cases. An attacker could use this vulnerability to run containers with elevated privileges...

USN-4609-1: GOsa vulnerabilities

Fabian Henneke discovered that GOsa incorrectly handled client cookies. An authenticated user could exploit this with a crafted cookie to perform file deletions in the context of the user account that runs the web server. CVE-2019-14466 It was discovered that GOsa incorrectly handled user access...

USN-4429-1: Evolution Data Server vulnerability

It was discovered that Evolution Data Server incorrectly handled STARTTLS when using SMTP and POP3. A remote attacker could possibly use this issue to perform a response injection attack...

USN-4282-1: PostgreSQL vulnerability

It was discovered that PostgreSQL incorrectly performed authorization checks when handling the "ALTER ... DEPENDS ON EXTENSION" sub-commands. A remote attacker could possibly use this issue to drop any function, procedure, materialized view, index, or trigger under certain conditions...

USN-4273-1: ReportLab vulnerability

It was discovered that ReportLab incorrectly handled certain XML documents. If a user or automated system were tricked into processing a specially crafted document, a remote attacker could possibly use this issue to execute arbitrary code...

USN-4189-2: DPDK regression

USN-4189-1 fixed a vulnerability in DPDK. The new version introduced a regression in certain environments. This update fixes the problem. Original advisory details: Jason Wang discovered that DPDK incorrectly handled certain messages. An attacker in a malicious container could possibly use this...

USN-4034-1: 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-3961-1: Dovecot vulnerabilities

It was discovered that the Dovecot Submission login service incorrectly handled certain operations. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service...

USN-3868-1: Thunderbird vulnerabilities

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

USN-3836-1: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel mishandles mapping UID or GID ranges inside nested user namespaces in some situations. A local attacker could use this to bypass access controls on resources outside the namespace. CVE-2018-18955 Philipp Wendler discovered that the overlayfs implementati...

USN-3833-1: Linux kernel (AWS) vulnerabilities

Jann Horn discovered that the Linux kernel mishandles mapping UID or GID ranges inside nested user namespaces in some situations. A local attacker could use this to bypass access controls on resources outside the namespace. CVE-2018-18955 Philipp Wendler discovered that the overlayfs implementati...

USN-3801-2: Firefox regressions

USN-3801-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafte...

USN-3768-1: Ghostscript vulnerabilities

Tavis Ormandy discovered multiple security issues in Ghostscript. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use these issues to access arbitrary files, execute arbitrary code, or cause a denial of service...

USN-3747-2: OpenJDK 10 regression

USN-3747-1 fixed vulnerabilities in OpenJDK 10 for Ubuntu 18.04 LTS. Unfortunately, that update introduced a regression around accessability support that prevented some Java applications from starting. This update fixes the problem. We apologize for the inconvenience. Original advisory details: I...

USN-3738-1: Samba vulnerabilities

Svyatoslav Phirsov discovered that the Samba libsmbclient library incorrectly handled extra long filenames. A malicious server could use this issue to cause Samba to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2018-10858 Volker Mauel discovered that Samba...

USN-3690-1: AMD Microcode update

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

USN-3645-1: 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, bypass same-origin restrictions, conduct cross-site scripting XSS attacks, install...

USN-3628-1: OpenSSL vulnerability

Alejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis Manuel Alvarez Tapia discovered that OpenSSL incorrectly handled RSA key generation. An attacker could possibly use this issue to perform a cache-timing attack and recover private RSA keys...

USN-3625-2: Perl vulnerabilities

USN-3625-1 fixed a vulnerability in Perl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that Perl incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Perl to hang, resulting in a...

USN-3616-1: Python Crypto vulnerability

It was discovered that Python Crypto incorrectly generated ElGamal key parameters. A remote attacker could possibly use this issue to obtain sensitive information...

USN-3583-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3583-1 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. It was discovered that an out-of-bounds write vulnerability existed in the...

USN-3581-2: Linux kernel (HWE) vulnerabilities

USN-3581-1 fixed vulnerabilities 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. Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contain...

USN-3576-1: libvirt vulnerabilities

Vivian Zhang and Christoph Anton Mitterer discovered that libvirt incorrectly disabled password authentication when the VNC password was set to an empty string. A remote attacker could possibly use this issue to bypass authentication, contrary to expectations. This issue only affected Ubuntu 14.0...

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-3522-3: Linux kernel regression

USN-3522-1 fixed a vulnerability in the Linux kernel to address Meltdown CVE-2017-5754. Unfortunately, that update introduced a regression where a few systems failed to boot successfully. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jann Horn...

USN-3524-1: 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-3509-4: Linux kernel (Xenial HWE) regression

USN-3509-2 fixed vulnerabilities in the Linux Hardware Enablement kernel for Ubuntu 14.04 LTS. Unfortunately, it also introduced a regression that prevented the Ceph network filesystem from being used. This update fixes the problem. We apologize for the inconvenience. Original advisory details:...

USN-3507-2: Linux kernel (GCP) vulnerabilities

Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem XFRM in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-16939 It was discovered that the Linux kernel did not...

USN-3471-1: Quagga vulnerabilities

Andreas Jaggi discovered that Quagga incorrectly handled certain BGP UPDATE messages. A remote attacker could possibly use this issue to cause Quagga to crash, resulting in a denial of service. CVE-2017-16227 Quentin Young discovered that Quagga incorrectly handled memory in the telnet vty CLI. A...

USN-3470-1: Linux kernel vulnerabilities

Qian Zhang discovered a heap-based buffer overflow in the tipcmsgbuild function in the Linux kernel. A local attacker could use to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges. CVE-2016-8632 Dmitry Vyukov discovered that a race condition...

USN-3443-1: Linux kernel vulnerabilities

It was discovered that on the PowerPC architecture, the kernel did not properly sanitize the signal stack when handling sigreturn. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-1000255 Andrey Konovalov discovered that a...

USN-3441-1: curl vulnerabilities

Daniel Stenberg discovered that curl incorrectly handled large floating point output. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-9586...