USN-6087-1: 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 possily use this issue to cause a deni...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Ruby vulnerabilities (USN-6087-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6087-1 advisory. It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a...

USN-6084-1: Linux kernel vulnerabilities

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information kernel memory. CVE-2023-0459 Xingyuan Mo discovered that the...

USN-6050-2: Git vulnerabilities

USN-6050-1 fixed several vulnerabilities in Git. This update provides the corresponding updates for CVE-2023-25652 and CVE-2023-29007 on Ubuntu 16.04 LTS. Original advisory details: It was discovered that Git incorrectly handled certain commands. An attacker could possibly use this issue to...

Ubuntu 16.04 ESM : Git vulnerabilities (USN-6050-2)

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6050-2 advisory. USN-6050-1 fixed several vulnerabilities in Git. This update provides the corresponding updates for CVE-2023-25652 and CVE-2023-29007 on Ubuntu 16.04 LTS...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.04 : OpenJDK vulnerabilities (USN-6077-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6077-1 advisory. Ben Smyth discovered that OpenJDK incorrectly handled half-duplex connections during TLS handshake. A remote...

USN-6081-1: Linux kernel vulnerabilities

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information kernel memory. CVE-2023-0459 Xingyuan Mo discovered that the...

USN-6078-1: libwebp vulnerability

Irvan Kurniawan discovered that libwebp incorrectly handled certain memory operations. 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...

Ubuntu 16.04 ESM / 18.04 LTS : Linux kernel vulnerabilities (USN-6081-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6081-1 advisory. Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy...

Ubuntu 18.04 ESM : Synapse vulnerabilities (USN-6076-1)

The remote Ubuntu 18.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6076-1 advisory. It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 ESM : css-what vulnerabilities (USN-6065-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6065-1 advisory. It was discovered that css-what incorrectly handled certain inputs. If a user or an automated system were tricked into opening a...

USN-6068-1: Open vSwitch vulnerability

David Marchand discovered that Open vSwitch incorrectly handled IP packets with the protocol set to 0. A remote attacker could possibly use this issue to cause a denial of service...

USN-6063-1: Ceph vulnerabilities

Mark Kirkwood discovered that Ceph incorrectly handled certain key lengths. An attacker could possibly use this issue to create non-random encryption keys. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. CVE-2021-3979 It was discovered that Ceph incorrectly handled the volumes...

USN-6060-2: MySQL vulnerabilities

USN-6060-1 fixed several vulnerabilities in MySQL. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to...

USN-6058-1: Linux kernel vulnerability

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...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Ruby regression (USN-6055-2)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-6055-2 advisory. USN-6055-1 fixed a vulnerability in Ruby. Unfortunately it introduced a regression. This update reverts the patches applied to...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Ruby vulnerabilities (USN-6055-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6055-1 advisory. It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a...

Ubuntu 16.04 ESM : PHP vulnerability (USN-6053-1)

The remote Ubuntu 16.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-6053-1 advisory. It was discovered that PHP incorrectly handled certain invalid Blowfish password hashes. An invalid password hash could possibly allow applications to accept any...

USN-6052-1: Linux kernel vulnerability

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-6049-1 netty vulnerabilities

It was discovered that Netty's Zlib decoders did not limit memory allocations. A remote attacker could possibly use this issue to cause Netty to exhaust memory via malicious input, leading to a denial of service. This issue only affected Ubuntu 16.04 ESM and Ubuntu 20.04 ESM. CVE-2020-11612 It wa...