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Ubuntu Security Notice USN-2927-1
Posted Mar 14, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2927-1 - It was discovered that graphite2 incorrectly handled certain malformed fonts. If a user or automated system were tricked into opening a specially-crafted font file, a remote attacker could use this issue to cause graphite2 to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-1977, CVE-2016-2790, CVE-2016-2791, CVE-2016-2792, CVE-2016-2793, CVE-2016-2794, CVE-2016-2795, CVE-2016-2796, CVE-2016-2797, CVE-2016-2798, CVE-2016-2799, CVE-2016-2800, CVE-2016-2801, CVE-2016-2802
MD5 | 340290dcb0e9a944be159d1952047205

Related Files

Ubuntu Security Notice USN-1466-2
Posted Jun 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1466-2 - USN 1466-1 fixed a vulnerability in Nova. The upstream patch introduced a regression when a security group granted full access and therefore the network protocol was left unset, causing an error in processing. This update fixes the issue. Various other issues were also addressed.

tags | advisory, protocol
systems | linux, ubuntu
MD5 | 231b11bf573fa44964bb0ca5a8179f79
Ubuntu Security Notice USN-1474-1
Posted Jun 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1474-1 - A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-2121, CVE-2012-2133, CVE-2012-2313, CVE-2012-2319, CVE-2012-2383, CVE-2012-2384, CVE-2012-2121, CVE-2012-2133, CVE-2012-2313, CVE-2012-2319, CVE-2012-2383, CVE-2012-2384
MD5 | 01a188c43a3a9ccc1f5b4dfae42139b1
Ubuntu Security Notice USN-1473-1
Posted Jun 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1473-1 - A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-2121, CVE-2012-2133, CVE-2012-2313, CVE-2012-2319, CVE-2012-2383, CVE-2012-2384, CVE-2012-2121, CVE-2012-2133, CVE-2012-2313, CVE-2012-2319, CVE-2012-2383, CVE-2012-2384
MD5 | baf239a678b78f36eacb41175edec3cb
Ubuntu Security Notice USN-1430-4
Posted Jun 13, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1430-4 - USN-1430-1 fixed vulnerabilities in Firefox and USN-1430-3 fixed vulnerabilities in Thunderbird. This update provides an AppArmor package with updated abstractions for use with the latest Firefox and Thunderbird.

tags | advisory, vulnerability
systems | linux, ubuntu
MD5 | e0902f8dd89185ce6f3f09ccd302b414
Ubuntu Security Notice USN-1472-1
Posted Jun 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1472-1 - Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server (attacker) could exploit this flaw to cause a denial of service. A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4131, CVE-2012-2121, CVE-2012-2133, CVE-2012-2313, CVE-2012-2319, CVE-2012-2383, CVE-2012-2384, CVE-2011-4131, CVE-2012-2121, CVE-2012-2133, CVE-2012-2313, CVE-2012-2319, CVE-2012-2383, CVE-2012-2384
MD5 | b93d936fb5d9173afcbdfc59670eabbe
Ubuntu Security Notice USN-1470-1
Posted Jun 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1470-1 - Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server (attacker) could exploit this flaw to cause a denial of service. A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4131, CVE-2012-1601, CVE-2012-2121, CVE-2012-2123, CVE-2012-2133, CVE-2011-4131, CVE-2012-1601, CVE-2012-2121, CVE-2012-2123, CVE-2012-2133
MD5 | 7897509f7f76588b2fa3d4bfa1ba9f84
Ubuntu Security Notice USN-1469-1
Posted Jun 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1469-1 - Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-2133
MD5 | 92ba4091230ab91fa5e6dc728fb768ba
Ubuntu Security Notice USN-1471-1
Posted Jun 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1471-1 - Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server (attacker) could exploit this flaw to cause a denial of service. A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4131, CVE-2012-2121, CVE-2012-2133, CVE-2012-2313, CVE-2012-2319, CVE-2012-2383, CVE-2012-2384, CVE-2011-4131, CVE-2012-2121, CVE-2012-2133, CVE-2012-2313, CVE-2012-2319, CVE-2012-2383, CVE-2012-2384
MD5 | c07de6af006f56efb7680b3a1ed50767
Ubuntu Security Notice USN-1468-1
Posted Jun 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1468-1 - Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-2133
MD5 | e5f070079a132a1cf22edf270784fc5a
Ubuntu Security Notice USN-1467-1
Posted Jun 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1467-1 - It was discovered that certain builds of MySQL incorrectly handled password authentication on certain platforms. A remote attacker could use this issue to authenticate with an arbitrary password and establish a connection. MySQL has been updated to 5.5.24 in Ubuntu 12.04 LTS. Ubuntu 10.04 LTS, Ubuntu 11.04 and Ubuntu 11.10 have been updated to MySQL 5.1.63. A patch to fix the issue was backported to the version of MySQL in Ubuntu 8.04 LTS. Various other issues were also addressed.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2012-2122
MD5 | ba304634301d9490723e5f73aa3db8e1
Ubuntu Security Notice USN-1466-1
Posted Jun 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1466-1 - It was discovered that, when defining security groups in Nova using the EC2 or OS APIs, specifying the network protocol (e.g. 'TCP') in the incorrect case would cause the security group to not be applied correctly. An attacker could use this to bypass Nova security group restrictions.

tags | advisory, tcp, protocol
systems | linux, ubuntu
advisories | CVE-2012-2654
MD5 | fcd100abd0b1b06c4c09b829b1809d95
Ubuntu Security Notice USN-1465-3
Posted Jun 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1465-3 - USN-1465-1 fixed vulnerabilities in Ubuntu One Client. The update failed to install on certain Ubuntu 10.04 LTS systems that had a legacy Python 2.5 package installed. This update fixes the problem. It was discovered that the Ubuntu One Client incorrectly validated server certificates when using HTTPS connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to alter or compromise confidential information. Various other issues were also addressed.

tags | advisory, remote, web, vulnerability, python
systems | linux, ubuntu
advisories | CVE-2011-4409
MD5 | 8bababe020b48367b02ec26f621fa263
Ubuntu Security Notice USN-1463-1
Posted Jun 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1463-1 - Jesse Ruderman, Igor Bukanov, Bill McCloskey, Christian Holler, Andrew McCreight, Olli Pettay, Boris Zbarsky, and Brian Bondy discovered memory safety issues affecting Firefox. If the user were tricked into opening a specially crafted page, an attacker could possibly exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of the user invoking Firefox. It was discovered that Mozilla's WebGL implementation exposed a bug in certain NVIDIA graphics drivers. The impact of this issue has not been disclosed at this time. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2011-3101, CVE-2012-1944, CVE-2012-1945, CVE-2012-1946, CVE-2012-0441, CVE-2011-3101, CVE-2012-0441, CVE-2012-1937, CVE-2012-1938, CVE-2012-1940, CVE-2012-1941, CVE-2012-1944, CVE-2012-1945, CVE-2012-1946, CVE-2012-1947
MD5 | 1311949c7eef4a0f68c3f027698b34e3
Ubuntu Security Notice USN-1464-1
Posted Jun 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1464-1 - It was discovered that the Ubuntu Single Sign On Client incorrectly validated server certificates when using HTTPS connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to alter or compromise confidential information.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2011-4408
MD5 | 63d488a76a7acf3c2c5518c1cd7ae49d
Ubuntu Security Notice USN-1465-1
Posted Jun 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1465-1 - It was discovered that the Ubuntu One Client incorrectly validated server certificates when using HTTPS connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to alter or compromise confidential information.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2011-4409
MD5 | fb09a87a9792ff4926b6f58d15ee6604
Ubuntu Security Notice USN-1465-2
Posted Jun 6, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1465-2 - USN-1465-1 fixed a vulnerability in the Ubuntu One Client. This update adds a required fix to the Ubuntu One storage protocol library. It was discovered that the Ubuntu One Client incorrectly validated server certificates when using HTTPS connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to alter or compromise confidential information. Various other issues were also addressed.

tags | advisory, remote, web, protocol
systems | linux, ubuntu
advisories | CVE-2011-4409
MD5 | 5aa8d0eb1f4fad47a160c77de1b8f990
Ubuntu Security Notice USN-1462-1
Posted Jun 5, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1462-1 - Dan Luther discovered that Bind incorrectly handled zero length rdata fields. A remote attacker could use this flaw to cause Bind to crash or behave erratically, resulting in a denial of service. It was discovered that Bind incorrectly handled revoked domain names. A remote attacker could use this flaw to cause malicious domain names to be continuously resolvable even after they have been revoked.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2012-1667, CVE-2012-1033, CVE-2012-1033, CVE-2012-1667
MD5 | a8a4a361e684549df3a403d90bf6d16d
Ubuntu Security Notice USN-1461-1
Posted Jun 5, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1461-1 - It was discovered that PostgreSQL incorrectly handled certain bytes passed to the crypt() function when using DES encryption. An attacker could use this flaw to incorrectly handle authentication. It was discovered that PostgreSQL incorrectly handled SECURITY DEFINER and SET attributes on procedural call handlers. An attacker could use this flaw to cause PostgreSQL to crash, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2012-2143, CVE-2012-2655, CVE-2012-2143, CVE-2012-2655
MD5 | b046400016ac6c335e39243cf3d44777
Ubuntu Security Notice USN-1443-2
Posted Jun 5, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1443-2 - USN-1443-1 fixed vulnerabilities in Update Manager. The fix for CVE-2012-0949 was discovered to be incomplete. This update fixes the problem. Felix Geyer discovered that the Update Manager Apport hook incorrectly uploaded certain system state archive files to Launchpad when reporting bugs. This could possibly result in repository credentials being included in public bug reports. Various other issues were also addressed.

tags | advisory, vulnerability
systems | linux, ubuntu
advisories | CVE-2012-0949, CVE-2012-0950
MD5 | 8ae98bbc27bd4b8c402be1d6195ad783
Ubuntu Security Notice USN-1460-1
Posted Jun 1, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1460-1 - A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. Steve Grubb reported a flaw with Linux fscaps (file system base capabilities) when used to increase the permissions of a process. For application on which fscaps are in use a local attacker can disable address space randomization to make attacking the process with raised privileges easier. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-1601, CVE-2012-2123, CVE-2012-1601, CVE-2012-2123
MD5 | 8f5cd77a973b96d4a3b016cb79b6ea8c
Ubuntu Security Notice USN-1459-1
Posted Jun 1, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1459-1 - A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. Steve Grubb reported a flaw with Linux fscaps (file system base capabilities) when used to increase the permissions of a process. For application on which fscaps are in use a local attacker can disable address space randomization to make attacking the process with raised privileges easier. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-1601, CVE-2012-2123, CVE-2012-1601, CVE-2012-2123
MD5 | 1e6695c3e11933086d7c58cce1f9bf0f
Ubuntu Security Notice USN-1458-1
Posted Jun 1, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1458-1 - A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. H. Peter Anvin reported a flaw in the Linux kernel that could crash the system. A local user could exploit this flaw to crash the system. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4086, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-2100, CVE-2011-4086, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2012-2100
MD5 | 74cdba67d96a118e8e273afd297f397c
Ubuntu Security Notice USN-1456-1
Posted Jun 1, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1456-1 - Sebastian Pohle discovered that Nut did not properly validate its input when receiving data over the network. If upsd was configured to allow connections over the network, a remote attacker could exploit this to cause a denial of service (application crash).

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2012-2944
MD5 | 09032c3beb4da02c45900ae75122f60d
Ubuntu Security Notice USN-1457-1
Posted Jun 1, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1457-1 - Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server (attacker) could exploit this flaw to cause a denial of service. A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-4131, CVE-2012-1601, CVE-2012-2121, CVE-2012-2123, CVE-2012-2133, CVE-2011-4131, CVE-2012-1601, CVE-2012-2121, CVE-2012-2123, CVE-2012-2133
MD5 | 739b4e4b83c3f3ceac08c7f1f0eac034
Ubuntu Security Notice USN-1455-1
Posted May 30, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1455-1 - A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. Steve Grubb reported a flaw with Linux fscaps (file system base capabilities) when used to increase the permissions of a process. For application on which fscaps are in use a local attacker can disable address space randomization to make attacking the process with raised privileges easier. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2012-1601, CVE-2012-2123, CVE-2012-1601, CVE-2012-2123
MD5 | d6fc1f7b6a189673c09cdefd2b89e5fe
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