USN-4106-1: NLTK vulnerability

Mike Salvatore discovered that NLTK mishandled crafted ZIP archives during extraction. A remote attacker could use this vulnerability to write arbitrary files to the filesystem...

USN-3962-1: libpng vulnerability

It was discovered that libpng incorrectly handled certain memory operations. If a user or automated system were tricked into opening a specially crafted PNG file, a remote attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3897-1: Thunderbird vulnerabilities

A use-after-free was discovered in libical. If a user were tricked in to opening a specially crafted ICS calendar file, an attacker could potentially exploit this to cause a denial of service. CVE-2016-5824 Multiple security issues were discovered in Thunderbird. If a user were tricked in to...

USN-3871-4: Linux kernel (HWE) vulnerabilities

USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem...

USN-3811-3: SpamAssassin vulnerabilities

USN-3811-1 fixed a vulnerability in spamassassin. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin. A remote attacker could possibly use this issue to execute arbitrary code...

USN-3739-1: libxml2 vulnerabilities

Matias Brutti discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information. CVE-2016-9318 It was discovered that libxml2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of...

USN-3723-1: Tomcat vulnerabilities

It was discovered that Tomcat incorrectly handled decoding certain UTF-8 strings. A remote attacker could possibly use this issue to cause Tomcat to crash, resulting in a denial of service. CVE-2018-1336 It was discovered that the Tomcat WebSocket client incorrectly performed hostname verificatio...

USN-3718-2: Linux kernel (HWE) regression

USN-3695-2 fixed vulnerabilities in the Linux Hardware Enablement Kernel HWE kernel for Ubuntu 16.04 LTS. Unfortunately, the fix for CVE-2018-1108 introduced a regression where insufficient early entropy prevented services from starting, leading in some situations to a failure to boot, This updat...

USN-3646-2: PHP vulnerabilities

USN-3646-1 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 opcache access controls when configured to use PHP-FPM. A local user could possibly use this issue to obtain...

USN-3469-1: Linux kernel vulnerabilities

Anthony Perard discovered that the Xen virtual block driver did not properly initialize some data structures before passing them to user space. A local attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. CVE-2017-10911 Bo Zhang discovered tha...

USN-3445-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3445-1 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. Eyal Itkin discovered that the IP over IEEE 1394 FireWire implementation in the Linux...

USN-3167-2: Linux kernel (OMAP4) vulnerabilities

Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not properly initialize the Code Segment CS in certain error cases. A local attacker could use this to expose sensitive information kernel memory. CVE-2016-9756 Baozeng Ding discovered a race condition that could lead to...

USN-3129-2: Linux kernel (Raspberry Pi 2) vulnerabilities

Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service system crash. CVE-2016-7042...

USN-3006-1: Linux kernel vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-2952-1: PHP vulnerabilities

It was discovered that the PHP Zip extension incorrectly handled directories when processing certain zip files. A remote attacker could possibly use this issue to create arbitrary directories. CVE-2014-9767 It was discovered that the PHP Soap client incorrectly validated data types. A remote...

USN-2884-1: OpenJDK 7 vulnerabilities

Multiple vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data integrity, and availability. An attacker could exploit these to cause a denial of service, expose sensitive data over the network, or possibly execute arbitrary code. CVE-2016-0483, CVE-2016-0494 A...

USN-2844-1: Linux kernel (Utopic HWE) vulnerabilities

Jan Beulich discovered that the KVM svm hypervisor implementation in the Linux kernel did not properly catch Debug exceptions on AMD processors. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS. CVE-2015-8104 郭永刚 discovered that the pp...

USN-2616-1: Linux kernel vulnerabilities

Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes xattrs. A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. CVE-2014-9710 A memory corruption issue was discovered in AES decryption when using the...

USN-2537-1: OpenSSL vulnerabilities

It was discovered that OpenSSL incorrectly handled malformed EC private key files. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service, or execute arbitrary code. CVE-2015-0209 Stephen Henson discovered that OpenSSL incorrectly handled...

USN-1355-1: Firefox vulnerabilities

It was discovered that if a user chose to export their Firefox Sync key the "Firefox Recovery Key.html" file is saved with incorrect permissions, making the file contents potentially readable by other users. CVE-2012-0450 Nicolas Gregoire and Aki Helin discovered that when processing a malformed...

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-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-605-1: Thunderbird vulnerabilities

Various flaws were discovered in the JavaScript engine. If a user had JavaScript enabled and were tricked into opening a malicious email, an attacker could escalate privileges within Thunderbird, perform cross-site scripting attacks and/or execute arbitrary code with the user's privileges...

USN-547-1: PCRE vulnerabilities

Tavis Ormandy and Will Drewry discovered multiple flaws in the regular expression handling of PCRE. By tricking a user or service into running specially crafted expressions via applications linked against libpcre3, a remote attacker could crash the application, monopolize CPU resources, or possib...

USN-503-1: Thunderbird vulnerabilities

Various flaws were discovered in the layout and JavaScript engines. By tricking a user into opening a malicious email, an attacker could execute arbitrary code with the user's privileges. Please note that JavaScript is disabled by default for emails, and it is not recommended to enable it...

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-151-3: zlib vulnerabilities

USN-148-1 and USN-151-1 fixed two security flaws in zlib, which could be exploited to cause Denial of Service attacks or even arbitrary code execution with malicious data streams. Since aide is statically linked against the zlib library, it is also affected by these issues. The updated packagages...

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-50-1: CUPS vulnerabilities

CAN-2004-1125: The recent USN-48-1 fixed a buffer overflow in xpdf. Since CUPS contains xpdf code to convert incoming PDF files to the PostScript format, this vulnerability applies to cups as well. In this case it could even lead to privilege escalation: if an attacker submitted a malicious PDF...

USN-6648-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the AppleTalk networking subsystem of 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-2023-51781 Zhenghan Wang discover...

USN-6383-1: Linux kernel 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 It was discovered...

USN-6250-1: Linux kernel vulnerabilities

Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. CVE-2023-2640 It was discovered that the IP-VLAN...

USN-6201-1: 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-2023-37201, CVE-2023-37202,...

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-6020-1: Linux kernel (BlueField) vulnerabilities

It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2021-3669 It was discovered that the KVM VMX implementation in the Linux kernel did no...

USN-5903-1: lighttpd vulnerabilities

It was discovered that lighttpd incorrectly handled certain inputs, which could result in a stack buffer overflow. A remote attacker could possibly use this issue to cause a denial of service DoS. CVE-2022-22707, CVE-2022-41556...

USN-5832-1: Linux kernel (Raspberry Pi) vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

USN-5794-1: Linux kernel (AWS) 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-5512-1: 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, spoof the UI, bypass CSP restrictions, or execute...

USN-5433-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled parsing of filenames in its search functionality. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service. CVE-2021-3973 It was discovered that Vim incorrectly handled memo...

USN-5351-2: Paramiko vulnerability

USN-5351-1 fixed a vulnerability in Paramiko. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Jan Schejbal discovered that Paramiko incorrectly handled permissions when writing private key files. A local attacker could possibly use this issue to gain...

USN-5351-1: Paramiko vulnerability

Jan Schejbal discovered that Paramiko incorrectly handled permissions when writing private key files. A local attacker could possibly use this issue to gain access to private keys...

USN-5199-1: Python vulnerabilities

It was discovered that the urllib.request.AbstractBasicAuthHandler class in Python contains regex with a quadratic worst-case time complexity. Specially crafted traffic from a malicious HTTP server could cause a regular expression denial of service ReDoS condition for a client. CVE-2021-3733 It w...

USN-5189-1: GLib vulnerability

It was discovered that GLib incorrectly handled certain environment variables. An attacker could possibly use this issue to escalate privileges...

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-4601-1: pip vulnerability

It was discovered that pip did not properly sanitize the filename during pip install. A remote attacker could possible use this issue to read and write arbitrary files on the host filesystem as root, resulting in a directory traversal attack. CVE-2019-20916...

USN-4593-1: FreeType vulnerability

Sergei Glazunov discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges...

USN-4504-1: OpenSSL vulnerabilities

Robert Merget, Marcus Brinkmann, Nimrod Aviram, and Juraj Somorovsky discovered that certain Diffie-Hellman ciphersuites in the TLS specification and implemented by OpenSSL contained a flaw. A remote attacker could possibly use this issue to eavesdrop on encrypted communications. This was fixed i...

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-4413-1: Linux kernel vulnerabilities

Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer. A remote attacker could use this to cause a denial of service system crash. CVE-2020-10711 It was discovered that the SCSI generic sg driver in...