USN-1797-1: Linux kernel (OMAP4) vulnerabilities

Andrew Jones discovered a flaw with the xeniret function in Linux kernel's Xen virtualizeation. In the 32-bit Xen paravirt platform an unprivileged guest OS user could exploit this flaw to cause a denial of service crash the system or gain guest OS privilege. CVE-2013-0228 Emese Revfy discovered...

USN-1776-1: Linux kernel (EC2) vulnerabilities

A flaw was reported in the permission checks done by the Linux kernel for /dev/cpu//msr. A local root user with all capabilities dropped could exploit this flaw to execute code with full root capabilities. CVE-2013-0268 A flaw was discovered in the Linux kernels handling of memory ranges with...

USN-1403-1: FreeType vulnerabilities

Mateusz Jurczyk discovered that FreeType did not correctly handle certain malformed BDF font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash. CVE-2012-1126 Mateusz Jurczyk discovered that FreeType did not correctly handle...

USN-1157-2: mozvoikko, ubufox, webfav update

USN-1157-1 fixed vulnerabilities in Firefox. This update provides updated packages for use with Firefox 5. Original advisory details: Bob Clary, Kevin Brosnan, Gary Kwong, Jesse Ruderman, Christian Biesinger, Bas Schouten, Igor Bukanov, Bill McCloskey, Olli Pettay, Daniel Veditz and Marcia Knous...

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-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-6233-2: YAJL vulnerabilities

USN-6233-1 fixed vulnerabilities in YAJL. This update provides the corresponding updates for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. Original advisory details: It was discovered that YAJL was not properly performing bounds checks when decoding a string with escape sequences. If a us...

USN-6536-1: Linux kernel vulnerabilities

Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory. CVE-2023-39189 Kyle Zeng...

USN-6439-1: Linux kernel vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Yu Hao and Weiteng Chen discovered that the Bluetooth HCI...

USN-6429-1: curl vulnerabilities

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 attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 23.04...

USN-6425-1: Samba vulnerabilities

Sri Nagasubramanian discovered that the Samba aclxattr VFS module incorrectly handled read-only files. When Samba is configured to ignore system ACLs, a remote attacker could possibly use this issue to truncate read-only files. CVE-2023-4091 Andrew Bartlett discovered that Samba incorrectly handl...

USN-6417-1: Linux kernel vulnerabilities

It was discovered that the eBPF implementation in the Linux kernel contained a race condition around read-only maps. A privileged attacker could use this to modify read-only maps. CVE-2021-4001 It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash...

USN-6380-1: Node.js vulnerabilities

Rogier Schouten discovered that Node.js incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu...

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-6181-1: Ruby vulnerabilities

Hiroshi Tokumaru discovered that Ruby did not properly handle certain user input for applications the generate HTTP responses using cgi gem. An attacker could possibly use this issue to maliciously modify the response a user would receive from a vulnerable application. This issue only affected...

USN-6180-1: VLC media player vulnerabilities

It was discovered that VLC could be made to read out of bounds when decoding image files. If a user were tricked into opening a crafted image file, a remote attacker could possibly use this issue to cause VLC to crash, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and...

USN-6133-1: Linux kernel (Intel IoTG) vulnerabilities

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-5973-1: url-parse vulnerabilities

It was discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service, or to perform a server-side request forgery attack or open...

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-5793-3: Linux kernel vulnerabilities

It was discovered that the iouring subsystem in the Linux kernel did not properly perform reference counting in some situations, 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-2022-3910 ...

USN-5689-1: Perl vulnerability

It was discovered that Perl incorrectly handled certain signature verification. An remote attacker could possibly use this issue to bypass signature verification...

USN-5504-1: 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, spoof the browser UI, bypass CSP restrictions, bypass sandboxed iframe restrictions, obtain sensitive...

LSN-0087-1: Kernel Live Patch Security Notice

Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the removal of stateful expressions in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary...

USN-5420-1: Vorbis vulnerabilities

It was discovered that Vorbis incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. CVE-2017-14160, CVE-2018-10392, CVE-2018-10393...

USN-5366-2: FriBidi vulnerabilities

USN-5366-1 fixed several vulnerabilities in FriBidi. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory details: It was discovered that FriBidi incorrectly handled processing of input strings resulting in memory corruption. An attacker could use this issue to...

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-5168-4: NSS regression

USN-5168-3 fixed a vulnerability in NSS. Unfortunately that update introduced a regression that could break SSL connections. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS...

USN-5170-1: MariaDB vulnerability

A security issue was discovered in MariaDB and this update includes new upstream MariaDB versions to fix the issue. MariaDB has been updated to 10.3.32 in Ubuntu 20.04 LTS and to 10.5.13 in Ubuntu 21.04 and Ubuntu 21.10. In addition to security fixes, the updated packages contain bug fixes, new...

USN-5156-1: ICU vulnerability

It was discovered that ICU contains a double free issue. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code...

USN-5134-1: Docker vulnerability

An information disclosure issue was discovered in the command line interface of Docker. A misconfigured credential store could result in supplied credentials being leaked to the public registry, when using the docker login command with a private registry...

USN-5101-1: MongoDB vulnerability

It was discovered that MongoDB incorrectly handled certain wire protocol messages. A remote attacker could possibly use this issue to cause MongoDB to crash, resulting in a denial of service...

USN-5099-1: Imlib2 vulnerability

It was discovered that Imlib2 incorrectly handled certain ICO images. An attacker could use this issue to cause a denial of service and possibly execute arbitrary code...

USN-4487-2: libx11 vulnerabilities

USN-4487-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: Todd Carson discovered that libx11 incorrectly handled certain memory operations. A local attacker could possibly use this issue to...

USN-4468-1: Bind vulnerabilities

Emanuel Almeida discovered that Bind incorrectly handled certain TCP payloads. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. CVE-2020-8620 Joseph Gullo discovered that Bind incorrectly handled...

USN-4435-2: ClamAV vulnerabilities

USN-4435-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that ClamAV incorrectly handled parsing ARJ archives. A remote attacker could possibly use this issue to cause...

USN-4408-1: 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, obtain sensitive information, bypass permission prompts, or execute arbitrary code. CVE-2020-12415,...

USN-4316-2: GD Graphics Library vulnerabilities

USN-4316-1 fixed a vulnerability in GD Graphics Library. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that GD Graphics Library incorrectly handled cloning an image. An attacker could possibly use this issue to cause GD Graphics...

USN-4290-2: libpam-radius-auth vulnerability

USN-4290-1 fixed a vulnerability in libpam-radius-auth. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that libpam-radius-auth incorrectly handled certain long passwords. A remote attacker could possibly use th...

USN-4277-1: libexif vulnerabilities

Liu Bingchang discovered that libexif incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information or cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. CVE-2016-6328 Lili Xu and Bingchang Li...

USN-4241-1: 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, conduct cross-site scripting XSS attacks, or execute arbitrary code...

USN-4175-1: Nokogiri vulnerability

It was discovered that Nokogiri incorrectly handled inputs. A remote attacker could possibly use this issue to execute arbitrary OS commands...

USN-4155-1: Aspell vulnerability

It was discovered that Aspell incorrectly handled certain inputs. An attacker could potentially access sensitive information...

USN-4136-2: wpa_supplicant and hostapd vulnerability

USN-4136-1 fixed a vulnerability in wpasupplicant. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that wpasupplicant incorrectly handled certain management frames. An attacker could possibly use this issue to...

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-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-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-3850-2: NSS vulnerabilities

USN-3850-1 fixed several vulnerabilities in NSS. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Keegan Ryan discovered that NSS incorrectly handled ECDSA key generation. A local attacker could possibly use this issue to perform a cache-timing attack...

USN-3846-1: Linux kernel vulnerability

It was discovered that an integer overflow vulnerability existed in the CDROM driver of the Linux kernel. A local attacker could use this to expose sensitive information kernel memory...

USN-3757-1: poppler vulnerability

Hosein Askari discovered that poppler incorrectly handled certain PDF files. An attacker could possible use this issue to cause a denial of service...

USN-3735-1: OpenJDK 7 vulnerability

It was discovered that the PatternSyntaxException class in OpenJDK did not properly validate arguments passed to it. An attacker could use this to potentially construct a class that caused a denial of service excessive memory consumption...