USN-811-1: Firefox and Xulrunner vulnerability

Juan Pablo Lopez Yacubian discovered that Firefox did not properly display invalid URLs. If a user were tricked into accessing a malicious website, an attacker could exploit this to spoof the location bar, such as in a phishing attack. Furthermore, if the malicious website had a valid SSL...

USN-776-1: KVM vulnerabilities

Avi Kivity discovered that KVM did not correctly handle certain disk formats. A local attacker could attach a malicious partition that would allow the guest VM to read files on the VM host. CVE-2008-1945, CVE-2008-2004 Alfredo Ortega discovered that KVM's VNC protocol handler did not correctly...

USN-728-1: Firefox and Xulrunner vulnerabilities

Glenn Randers-Pehrson discovered that the embedded libpng in Firefox did not properly initialize pointers. If a user were tricked into viewing a malicious website with a crafted PNG file, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of t...

USN-717-3: Firefox vulnerabilities

Kojima Hajime discovered that Firefox did not properly handle an escaped null character. An attacker may be able to exploit this flaw to bypass script sanitization. CVE-2008-5510 Wladimir Palant discovered that Firefox did not restrict access to cookies in HTTP response headers. If a user were...

USN-679-1: Linux kernel vulnerabilities

It was discovered that the Xen hypervisor block driver did not correctly validate requests. A user with root privileges in a guest OS could make a malicious IO request with a large number of blocks that would crash the host OS, leading to a denial of service. This only affected Ubuntu 7.10...

USN-672-1: ClamAV vulnerability

Moritz Jodeit discovered that ClamAV did not correctly handle certain strings when examining a VBA project. If a remote attacker tricked ClamAV into processing a malicious VBA file, ClamAV would crash, leading to a denial of service...

USN-649-1: OpenSSH vulnerabilities

It was discovered that the ForceCommand directive could be bypassed. If a local user created a malicious /.ssh/rc file, they could execute arbitrary commands as their user id. This only affected Ubuntu 7.10. CVE-2008-1657 USN-355-1 fixed vulnerabilities in OpenSSH. It was discovered that the fixe...

USN-645-1: Firefox and xulrunner vulnerabilities

Justin Schuh, Tom Cross and Peter Williams discovered errors in the Firefox URL parsing routines. If a user were tricked into opening a crafted hyperlink, an attacker could overflow a stack buffer and execute arbitrary code. CVE-2008-0016 It was discovered that the same-origin check in Firefox...

USN-353-1: openssl vulnerabilities

Dr. Henson of the OpenSSL core team and Open Network Security discovered a mishandled error condition in the ASN.1 parser. By sending specially crafted packet data, a remote attacker could exploit this to trigger an infinite loop, which would render the service unusable and consume all available...

USN-6932-1: OpenJDK 21 vulnerabilities

It was discovered that the Hotspot component of OpenJDK 21 was not properly bounding certain UTF-8 strings, which could lead to a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2024-21131 It was discovered that the Hotspot...

USN-6917-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...

USN-6776-1: Linux kernel vulnerabilities

Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service system crash. CVE-2023-47233 Several...

USN-6707-4: Linux kernel (Azure) vulnerabilities

Lonial Con discovered that the netfilter subsystem in the Linux kernel did not properly handle element deactivation in certain cases, 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...

USN-6563-1: 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, obtain sensitive information, bypass security restrictions, cross-site tracing,...

USN-6468-1: 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, obtain sensitive information, bypass security restrictions, cross-site tracing,...

USN-6429-3: curl vulnerabilities

USN-6429-1 fixed vulnerabilities in curl. This update provides the corresponding updates for Ubuntu 23.10. Original advisory details: Jay Satiro discovered that curl incorrectly handled hostnames when using a SOCKS5 proxy. In environments where curl is configured to use a SOCKS5 proxy, a remote...

USN-6384-1: Linux kernel (OEM) vulnerabilities

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. CVE-2023-20588 Lonial Con discover...

USN-6369-1: libwebp vulnerability

It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary co...

USN-6342-1: Linux kernel vulnerabilities

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information. CVE-2023-20593 Zheng Zhang discovered that the device-mapper implementation in the Linux kernel...

USN-6320-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. CVE-2023-4573, CVE-2023-4574,...

USN-6311-1: Linux kernel vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the NTFS file system...

USN-6284-1: Linux kernel vulnerabilities

It was discovered that the netlink implementation in the Linux kernel did not properly validate policies when parsing attributes in some situations. An attacker could use this to cause a denial of service infinite recursion. CVE-2020-36691 Billy Jheng Bing Jhong discovered that the CIFS network...

USN-6237-2: curl regression

USN-6237-1 fixed vulnerabilities in curl. The update caused a certificate wildcard handling regression on Ubuntu 22.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Hiroki Kurosawa discovered that curl incorrectly handled validating certain...

USN-6213-1: Ghostscript vulnerability

It was discovered that Ghostscript incorrectly handled pipe devices. If a user or automated system were tricked into opening a specially crafted PDF file, a remote attacker could use this issue to execute arbitrary code...

USN-6055-1: Ruby vulnerabilities

It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. CVE-2023-28755 It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a...

USN-6024-1: Linux kernel vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation 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 execute arbitrary code. CVE-2023-1281 Lin Ma discovered a race condition in t...

USN-5987-1: Linux kernel vulnerabilities

It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. CVE-2022-2196 It was discovered...

USN-5904-2: SoX regression

USN-5904-1 fixed vulnerabilities in SoX. It was discovered that the fix for CVE-2021-33844 was incomplete. This update fixes the problem. Original advisory details: Helmut Grohne discovered that SoX incorrectly handled certain inputs. If a user or an automated system were tricked into opening a...

USN-5917-1: 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-5778-2: X.Org X Server vulnerabilities

USN-5778-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that X.Org X Server extensions contained multiple security issues. An attacker could possibly use these...

USN-5816-2: Firefox regressions

USN-5816-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Niklas Baumstark discovered that a compromised web child process of Firefox could disable web security openin...

USN-5773-1: 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-5694-1: LibreOffice vulnerabilities

It was discovered that LibreOffice incorrectly handled links using the Office URI Schemes. If a user were tricked into opening a specially crafted document, a remote attacker could use this issue to execute arbitrary scripts. CVE-2022-3140 Thomas Florian discovered that LibreOffice incorrectly...

USN-5238-1: PostgreSQL JDBC Driver vulnerability

It was discovered that PostgreSQL JDBC Driver incorrectly handled certain requests from external entities. A remote attacker could use this vulnerability to cause a denial of service or possibly execute arbitrary code...

USN-5547-1: NVIDIA graphics drivers vulnerabilities

Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in some situations. A local user could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-31607 Tal Lossos discovered that the NVIDIA graphics drivers incorrectly handled...

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-5506-1: 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. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.10. CVE-2022-22747 Ronald Crane...

USN-5488-2: OpenSSL vulnerability

USN-5488-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: Chancen and Daniel Fiala discovered that OpenSSL incorrectly handled the crehash script. A local attacker could possibly use this issue to execute arbitrary...

USN-5503-1: GnuPG vulnerability

Demi Marie Obenour discovered that GnuPG incorrectly handled injection in the status message. A remote attacker could possibly use this issue to forge signatures...

USN-5462-2: Ruby vulnerability

USN-5462-1 fixed several vulnerabilities in Ruby. This update provides the corresponding CVE-2022-28739 update for ruby2.3 on Ubuntu 16.04 ESM. Original advisory details: It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive...

USN-5459-1: cifs-utils vulnerabilities

Aurélien Aptel discovered that cifs-utils invoked a shell when requesting a password. In certain environments, a local attacker could possibly use this issue to escalate privileges. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. CVE-2020-14342 It was discovered that cifs-utils...

USN-5421-1: LibTIFF vulnerabilities

It was discovered that LibTIFF incorrectly handled certain images. An attacker could possibly use this issue to cause a crash, resulting in a denial of service. This issue only affects Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. CVE-2020-35522 Chintan Shah discovere...

USN-5198-1: HTMLDOC vulnerability

It was discovered that HTMLDOC improperly handled malformed URIs from an input html file. An attacker could use this to cause a denial of service...

USN-5138-1: python-py vulnerability

The py.path.svnwc component of py aka python-py through v1.9.0 contains a regular expression with an ambiguous subpattern that is susceptible to catastrophic backtracing. This could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame...

USN-4661-1: Snapcraft vulnerability

It was discovered that Snapcraft includes the current directory when configuring LDLIBRARYPATH for application commands. If a user were tricked into installing a malicious snap or downloading a malicious library, under certain circumstances an attacker could exploit this to affect strict mode sna...

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-3968-3: Sudo vulnerabilities

USN-3968-1 fixed several vulnerabilities in Sudo. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Florian Weimer discovered that Sudo incorrectly handled the noexec restriction when used with certain applications. A local attacker could possibly use...

USN-4493-1: cryptsetup vulnerability

It was discovered that cryptsetup incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...

USN-4434-1: LibVNCServer vulnerabilities

Ramin Farajpour Cami discovered that LibVNCServer incorrectly handled certain malformed unix socket names. A remote attacker could exploit this with a crafted socket name, leading to a denial of service, or possibly execute arbitrary code. CVE-2019-20839 It was discovered that LibVNCServer did no...

USN-4395-1: fwupd vulnerability

Justin Steven discovered that fwupd incorrectly handled certain signature verification. An attacker could possibly use this issue to install an unsigned firmware...