USN-1253-1: Linux kernel vulnerabilities

Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. CVE-2011-1576 Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly...

USN-1244-1: Linux kernel (OMAP4) vulnerabilities

Dan Rosenberg discovered that the Linux kernel X.25 implementation incorrectly parsed facilities. A remote attacker could exploit this to crash the kernel, leading to a denial of service. CVE-2010-3873 Andrea Righi discovered a race condition in the KSM memory merging support. If KSM was being...

USN-1232-2: X.Org X server regression

USN-1232-1 fixed vulnerabilities in the X.Org X server. A regression was found on Ubuntu 10.04 LTS that affected GLX support. This update temporarily disables the fix for CVE-2010-4818 that introduced the regression. We apologize for the inconvenience. Original advisory details: It was discovered...

USN-1159-1: Linux kernel vulnerabilities (Marvell Dove)

Brad Spengler discovered that the kernel did not correctly account for userspace memory allocations during exec calls. A local attacker could exploit this to consume all system memory, leading to a denial of service. CVE-2010-4243 Alexander Duyck discovered that the Intel Gigabit Ethernet driver...

USN-1160-1: Linux kernel vulnerabilities

Dan Rosenberg discovered that IRDA did not correctly check the size of buffers. On non-x86 systems, a local attacker could exploit this to read kernel heap memory, leading to a loss of privacy. CVE-2010-4529 Dan Rosenburg discovered that the CAN subsystem leaked kernel addresses into the /proc...

USN-1112-1: Firefox and Xulrunner vulnerabilities

It was discovered that there was a vulnerability in the memory handling of certain types of content. An attacker could exploit this to possibly run arbitrary code as the user running Firefox. CVE-2011-0081 It was discovered that Firefox incorrectly handled certain JavaScript requests. An attacker...

USN-1010-1: OpenJDK vulnerabilities

Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3 protocols. If an attacker could perform a machine-in-the-middle attack at the start of a TLS connection, the attacker could inject arbitrary content at the beginning of the user's session. USN-923-1 disabled SSL/TLS renegotiation...

USN-997-1: Firefox and Xulrunner vulnerabilities

Paul Nickerson, Jesse Ruderman, Olli Pettay, Igor Bukanov, Josh Soref, Gary Kwong, Martijn Wargers, Siddharth Agarwal and Michal Zalewski discovered various flaws in the browser engine. An attacker could exploit this to crash the browser or possibly run arbitrary code as the user invoking the...

USN-803-2: Dhcp vulnerability

USN-803-1 fixed a vulnerability in Dhcp. Due to an error, the patch to fix the vulnerability was not properly applied on Ubuntu 8.10 and higher. Even with the patch improperly applied, the default compiler options reduced the vulnerability to a denial of service. Additionally, in Ubuntu 9.04 and...

USN-826-1: Mono vulnerabilities

It was discovered that the XML HMAC signature system did not correctly check certain lengths. If an attacker sent a truncated HMAC, it could bypass authentication, leading to potential privilege escalation. CVE-2009-0217 It was discovered that Mono did not properly escape certain attributes in th...

USN-802-2: Apache regression

USN-802-1 fixed vulnerabilities in Apache. The upstream fix for CVE-2009-1891 introduced a regression that would cause Apache children to occasionally segfault when moddeflate is used. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered...

USN-810-1: NSS vulnerabilities

Moxie Marlinspike discovered that NSS did not properly handle regular expressions in certificate names. A remote attacker could create a specially crafted certificate to cause a denial of service via application crash or execute arbitrary code as the user invoking the program. CVE-2009-2404 Moxie...

USN-756-1: ClamAV vulnerability

It was discovered that ClamAV did not properly verify buffers when processing Upack files. A remote attacker could send a crafted file and cause a denial of service via application crash...

USN-647-1: Thunderbird vulnerabilities

It was discovered that the same-origin check in Thunderbird could be bypassed. If a user had JavaScript enabled and were tricked into opening a malicious website, an attacker may be able to execute JavaScript in the context of a different website. CVE-2008-3835 Several problems were discovered in...

USN-609-1: OpenOffice.org vulnerabilities

It was discovered that arbitrary Java methods were not filtered out when opening databases in OpenOffice.org. If a user were tricked into running a specially crafted query, a remote attacker could execute arbitrary Java with user privileges. CVE-2007-4575 Multiple memory overflow flaws were...

USN-499-1: Apache vulnerabilities

Stefan Esser discovered that modstatus did not force a character set, which could result in browsers becoming vulnerable to XSS attacks when processing the output. If a user were tricked into viewing server status output during a crafted server request, a remote attacker could exploit this to...

USN-455-1: PHP vulnerabilities

Stefan Esser discovered multiple vulnerabilities in the "Month of PHP bugs". The substrcompare function did not sufficiently verify its length argument. This might be exploited to read otherwise unaccessible memory, which might lead to information disclosure. CVE-2007-1375 The shared memory shmop...

USN-7443-1: Erlang vulnerability

Fabian Bäumer, Marcel Maehren, Marcus Brinkmann, and Jörg Schwenk discovered that Erlang OTP’s SSH module incorrect handled authentication. A remote attacker could use this issue to execute arbitrary commands without authentication, possibly leading to a system compromise...

USN-7426-1: poppler vulnerabilities

It was discovered that poppler incorrectly handled memory when opening certain PDF files. An attacker could possibly use this issue to cause poppler to crash, resulting in a denial of service...

USN-7419-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled memory when using invalid input with the log option. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10. CVE-2025-1215 It was discovered that Vim incorrectly handled memo...

USN-7350-1: UnRAR vulnerabilities

It was discovered that UnRAR incorrectly handled certain paths. If a user or automated system were tricked into extracting a specially crafted RAR archive, a remote attacker could possibly use this issue to write arbitrary files outside of the targeted directory. CVE-2022-30333, CVE-2022-48579 It...

USN-7317-1: wpa_supplicant and hostapd vulnerabilities

George Chatzisofroniou and Panayiotis Kotzanikolaou discovered that wpasupplicant and hostapd reused encryption elements in the PKEX protocol. An attacker could possibly use this issue to impersonate a wireless access point, and obtain sensitive information. CVE-2022-37660 Daniel De Almeida Braga...

USN-7297-1: ProFTPD vulnerabilities

Fabian Bäumer, Marcus Brinkmann, and Jörg Schwenk discovered that the transport protocol implementation in ProFTPD had weak integrity checks. An attacker could use this vulnerability to bypass security features like encryption and integrity checks. CVE-2023-48795 Martin Mirchev discovered that...

USN-6902-1: Apache HTTP Server vulnerability

It was discovered that the Apache HTTP Server incorrectly handled certain handlers configured via AddType. A remote attacker could possibly use this issue to obtain source code...

USN-6737-2: GNU C Library vulnerability

USN-6737-1 fixed a vulnerability in the GNU C Library. This update provides the corresponding update for Ubuntu 24.04 LTS. Original advisory details: Charles Fol discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could use this issue to cause...

USN-6704-1: Linux kernel vulnerabilities

It was discovered that the NVIDIA Tegra XUSB pad controller driver in the Linux kernel did not properly handle return values in certain error conditions. A local attacker could use this to cause a denial of service system crash. CVE-2023-23000 Quentin Minster discovered that the KSMBD...

USN-6609-1: Linux kernel 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-6608-1: Linux kernel vulnerabilities

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could...

USN-6603-1: Linux kernel (AWS) vulnerabilities

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly validate the server frame size in certain situation, leading to an out-of-bounds read vulnerability. An attacker could use this to construct a malicious CIFS image that, when operated on, could...

USN-6546-2: LibreOffice vulnerabilities

USN-6546-1 fixed vulnerabilities in LibreOffice. This update provides the corresponding updates for Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. Original advisory details: Reginaldo Silva discovered that LibreOffice incorrectly handled filenames when passing embedded videos to GStreamer. If a user were...

USN-6506-1: Apache HTTP Server vulnerabilities

David Shoon discovered that the Apache HTTP Server modmacro module incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. CVE-2023-31122 Prof. Sven Dietrich, Isa Jafarov, Prof. Heejo Lee, and...

USN-6442-1: Linux kernel (BlueField) vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

USN-6427-2: .NET vulnerability

USN-6427-1 fixed a vulnerability in .NET. This update provides the corresponding update for .NET 8. Original advisory details: It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service...

USN-6388-1: Linux kernel vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 Yang Lan discovered that the GFS2 file system...

USN-6222-1: Linux kernel (Xilinx ZynqMP) vulnerabilities

Jiasheng Jiang discovered that the HSA Linux kernel driver for AMD Radeon GPU devices did not properly validate memory allocation in certain situations, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2022-3108...

USN-6126-1: libvirt vulnerabilities

It was discovered that libvirt incorrectly handled the nwfilter driver. A local attacker could possibly use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. CVE-2022-0897 It was discovered that libvirt incorrectly handled queries f...

USN-6090-1: Linux kernel vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Zheng Wang discovered that the Intel i915 graphics...

USN-5960-1: Python vulnerability

Yebo Cao discovered that Python incorrectly handled certain URLs. An attacker could possibly use this issue to bypass blocklisting methods by supplying a URL that starts with blank characters...

USN-5934-1: Linux kernel (Raspberry Pi) 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-5871-1: Git vulnerabilities

It was discovered that Git incorrectly handled certain repositories. An attacker could use this issue to make Git uses its local clone optimization even when using a non-local transport. CVE-2023-22490 Joern Schneeweisz discovered that Git incorrectly handled certain commands. An attacker could...

USN-5828-1: Kerberos vulnerabilities

It was discovered that Kerberos incorrectly handled certain S4U2Self requests. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. CVE-2018-20217 Greg Hudson discovered that Kerberos PAC implementation...

USN-5823-1: 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 8.0.32 in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. Ubuntu 18.04 LTS has been updated to MySQL 5.7.41. In addition to security fixes, t...

USN-5815-1: Linux kernel (BlueField) vulnerabilities

It was discovered that a race condition existed in the Android Binder IPC subsystem in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-20421 David Leadbeater...

USN-5774-1: Linux kernel (Azure) vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5682-1: Linux kernel (AWS) vulnerabilities

It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information kernel memory. CVE-2021-4159 It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2...

USN-5678-1: Linux kernel vulnerabilities

It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information kernel memory. CVE-2022-0812 Moshe Kol, Amit Klein and Yossi Gilad discovered tha...

USN-5578-2: Open VM Tools vulnerability

USN-5578-1 fixed a vulnerability in Open VM Tools. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Open VM Tools incorrectly handled certain requests. An attacker inside the guest could possibly use this issue to gain root...

USN-5558-1: libcdio vulnerabilities

Zhao Liang discovered that libcdio was not properly performing memory management operations when processing ISO files, which could result in a heap buffer overflow or in a NULL pointer dereference. If a user or automated system were tricked into opening a specially crafted file, an attacker could...

USN-5535-1: Intel Microcode vulnerabilities

Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could use this to obtain sensitive information. CVE-2021-0145 Mark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel processors did not prevent test and debug...

USN-5446-2: dpkg vulnerability

USN-5446-1 fixed a vulnerability in dpkg. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially...