USN-1405-1: Linux kernel vulnerabilities

Paolo Bonzini discovered a flaw in Linux's handling of the SGIO ioctl command. A local user, or user in a VM could exploit this flaw to bypass restrictions and gain read/write access to all data on the affected block device. CVE-2011-4127 A flaw was found in the Linux kernel's ext4 file system wh...

USN-1229-1: PostgreSQL vulnerability

It was discovered that the blowfish algorithm in the pgcrypto module incorrectly handled certain 8-bit characters, resulting in the password hashes being easier to crack than expected. An attacker who could obtain the password hashes would be able to recover the plaintext with less effort...

USN-1185-1: Thunderbird vulnerabilities

Gary Kwong, Igor Bukanov, and Bob Clary discovered multiple memory vulnerabilities in the Gecko rendering engine. An attacker could use these to possibly execute arbitrary code with the privileges of the user invoking Thunderbird. CVE-2011-2982 It was discovered that a vulnerability in event...

USN-355-1: openssh vulnerabilities

Tavis Ormandy discovered that the SSH daemon did not properly handle authentication packets with duplicated blocks. By sending specially crafted packets, a remote attacker could exploit this to cause the ssh daemon to drain all available CPU resources until the login grace time expired...

USN-350-1: Thunderbird vulnerabilities

This update upgrades Thunderbird from 1.0.8 to 1.5.0.7. This step was necessary since the 1.0.x series is not supported by upstream any more. Various flaws have been reported that allow an attacker to execute arbitrary code with user privileges by tricking the user into opening a malicious email...

USN-171-1: PHP4 vulnerabilities

CAN-2005-1751: The php4-dev package ships a copy of the "shtool" utility in /usr/lib/php4/build/, which provides useful functionality for developers of software packages. Eric Romang discovered that shtool created temporary files in an insecure manner. This could allow a symlink attack to create ...

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-6195-1: Vim vulnerabilities

It was discovered that Vim contained an out-of-bounds read vulnerability. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2022-0128 It was discovered that Vim did not properly manage memory when freeing allocated memory. An attacker could...

USN-6047-1: Linux kernel vulnerability

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

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-5894-1: curl vulnerabilities

Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled TELNET connections when the -t option was used on the command line. Uninitialized data possibly containing sensitive information could be sent to the remote server, contrary to expectations. This issue was only fixed in Ubunt...

USN-5867-1: WebKitGTK vulnerabilities

Several 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 attacks, and...

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-5792-2: Linux kernel vulnerabilities

Mingwei Zhang discovered that the KVM implementation for AMD processors in the Linux kernel did not properly handle cache coherency with Secure Encrypted Virtualization SEV. A local attacker could possibly use this to cause a denial of service host system crash. CVE-2022-0171 It was discovered th...

USN-5565-1: Linux kernel 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-5531-1: protobuf-c vulnerability

Pietro Borrello discovered that protobuf-c contained an invalid arithmetic shift. This vulnerability allowed attackers to cause a denial of service system crash via unspecified vectors CVE-2022-33070. It was discovered that protobuf-c contained an unsigned integer overflow. This vulnerability...

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-5111-1: strongSwan vulnerabilities

It was discovered that strongSwan incorrectly handled certain RSASSA-PSS signatures. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service. CVE-2021-41990 It was discovered that strongSwan incorrectly handled replacing certificates in the cache. A...

USN-5097-1: LedgerSMB vulnerabilities

It was discovered that LedgerSMB incorrectly handled certain inputs. An attacker could use this to leak sensitive information, cause a DoS, or execute arbitrary code. CVE-2021-3693, CVE-2021-3694, CVE-2021-3731...

USN-5032-2: Docker vulnerabilities

USN-5032-1 fixed vulnerabilities in Docker. This update provides the corresponding updates for Ubuntu 21.04. Original advisory details: Several vulnerabilities were fixed in Docker. This update provides a new upstream version that fixed them...

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-4665-1: curl vulnerabilities

Marc Aldorasi discovered that curl incorrectly handled the libcurl CURLOPTCONNECTONLY option. This could result in data being sent to the wrong destination, possibly exposing sensitive information. This issue only affected Ubuntu 20.10. CVE-2020-8231 Varnavas Papaioannou discovered that curl...

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-4599-2: Firefox vulnerabilities

USN-4599-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Ubuntu 16.04 LTS. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit...

USN-4532-1: Netty vulnerabilities

It was discovered that Netty incorrectly handled certain HTTP headers. By sending an HTTP header with whitespace before the colon, a remote attacker could possibly use this issue to perform an HTTP request smuggling attack. CVE-2019-16869 It was discovered that Netty incorrectly handled certain...

USN-4500-1: bsdiff vulnerabilities

It was discovered that bsdiff mishandled certain input. If a user were tricked into opening a malicious file, an attacker could cause bsdiff to crash or potentially execute arbitrary code...

USN-4446-2: Squid regression

USN-4446-1 fixed vulnerabilities in Squid. The update introduced a regression when using Squid with the icap or ecap protocols. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jeriko One discovered that Squid incorrectly handled caching certain...

USN-4295-1: Rake vulnerability

It was discovered that Rake incorrectly handled certain files. An attacker could use this issue to possibly execute arbitrary commands...

USN-4217-2: Samba vulnerabilities

USN-4217-1 fixed several vulnerabilities in Samba. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Andreas Oster discovered that the Samba DNS management server incorrectly handled certain records. An authenticated attacker could possibly use this...

USN-4207-1: GraphicsMagick vulnerabilities

It was discovered that GraphicsMagick incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-4049-4: GLib regression

USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibl...

USN-4016-2: Neovim vulnerability

It was discovered that Neovim incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. CVE-2019-12735...

USN-3953-2: PHP vulnerabilities

USN-3953-1 fixed several vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that PHP incorrectly handled certain exif tags in JPEG images. A remote attacker could use this issue to cause PHP...

USN-3936-1: AdvanceCOMP vulnerability

It was discovered that AdvanceCOMP incorrectly handled certain PNG files. An attacker could possibly use this issue to execute arbitrary code...

USN-3632-1: Linux kernel (Azure) vulnerabilities

It was discovered that a race condition leading to a use-after-free vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-0861 It was discovered that the KVM...

USN-3549-1: Linux kernel (KVM) vulnerabilities

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. CVE-2017-5715,...

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-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-2240-1: Linux kernel vulnerabilities

Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An unprivileged local user could exploit this flaw to cause a denial of service system crash or gain administrative privileges. CVE-2014-3153 An information leak was discovered in the netfilter subsystem of the Linux kernel. An...

USN-2221-1: Linux kernel vulnerabilities

Matthew Daley reported an information leak in the floppy disk driver of the Linux kernel. An unprivileged local user could exploit this flaw to obtain potentially sensitive information from kernel memory. CVE-2014-1738 Matthew Daley reported a flaw in the handling of ioctl commands by the floppy...

USN-2124-1: OpenJDK 6 vulnerabilities

A vulnerability was discovered in the OpenJDK JRE related to information disclosure and data integrity. An attacker could exploit this to expose sensitive data over the network. CVE-2014-0411 Several vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data...

USN-1836-1: Linux kernel (OMAP4) vulnerabilities

An flaw was discovered in the Linux kernel's perfevents interface. A local user could exploit this flaw to escalate privileges on the system. CVE-2013-2094 A buffer overflow vulnerability was discovered in the Broadcom tg3 ethernet driver for the Linux kernel. A local user could exploit this flaw...

USN-1551-2: Thunderbird regressions

USN-1551-1 fixed vulnerabilities in Thunderbird. The new package caused a regression in the message editor and certain performance regressions as well. This update fixes the problems. Original advisory details: Gary Kwong, Christian Holler, Jesse Ruderman, Steve Fink, Bob Clary, Andrew Sutherland...

USN-1481-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain Tidy::diagnose operations on invalid objects. A remote attacker could use this flaw to cause PHP to crash, leading to a denial of service. CVE-2012-0781 It was discovered that PHP incorrectly handled certain multi-file upload filenames. A...

USN-731-1: Apache vulnerabilities

It was discovered that Apache did not sanitize the method specifier header from an HTTP request when it is returned in an error message, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a...

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-535-1: Firefox vulnerabilities

Various flaws were discovered in the layout and JavaScript engines. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. CVE-2007-5336, CVE-2007-5339, CVE-2007-5340 Michal Zalewski discovered that the onUnload event handlers we...

USN-131-1: Linux kernel vulnerabilities

Colin Percival discovered an information disclosure in the "Hyper Threading Technology" architecture in processors which are capable of simultaneous multithreading in particular Intel Pentium 4, Intel Mobile Pentium 4, and Intel Xeon processors. This allows a malicious thread to monitor the...

USN-7280-1: Python vulnerability

It was discovered that Python incorrectly handled parsing domain names that included square brackets. A remote attacker could possibly use this issue to perform a Server-Side Request Forgery SSRF attack...

USN-6949-2: Linux kernel 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: - ARM32 architecture; - ARM64 architecture; - M68K architecture; - OpenRISC architecture; - PowerPC architecture; -...