10831 matches found
USN-5113-1: Linux kernel vulnerabilities
It was discovered that a race condition existed in the Atheros Ath9k WiFi driver in the Linux kernel. An attacker could possibly use this to expose sensitive information WiFi network traffic. CVE-2020-3702 Alois Wohlschlager discovered that the overlay file system in the Linux kernel did not...
USN-5111-2: strongSwan vulnerability
USN-5111-1 fixed a vulnerability in strongSwan. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that strongSwan incorrectly handled replacing certificates in the cache. A remote attacker could use this issue to...
USN-5111-1: strongSwan vulnerabilities
It was discovered that strongSwan incorrectly handled certain RSASSA-PSS signatures. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service. CVE-2021-41990 It was discovered that strongSwan incorrectly handled replacing certificates in the cache. A...
USN-5092-3: Linux kernel (Azure) regression
USN-5092-2 fixed vulnerabilities in Linux 5.11-based kernels. Unfortunately, for Linux kernels intended for use within Microsoft Azure environments, that update introduced a regression that could cause the kernel to fail to boot in large Azure instance types. This update fixes the problem. We...
USN-5110-1: Ardour vulnerability
It was discovered that Ardour incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...
USN-5109-1: nginx vulnerability
It was discovered that nginx incorrectly handled files with certain modification dates. A remote attacker could possibly use this issue to cause a denial of service or other unspecified impact...
USN-5091-3: Linux kernel (Azure) regression
USN-5091-1 fixed vulnerabilities in Linux 5.4-based kernels. Unfortunately, for Linux kernels intended for use within Microsoft Azure environments, that update introduced a regression that could cause the kernel to fail to boot in large Azure instance types. This update fixes the problem. We...
USN-5078-3: Squashfs-Tools vulnerability
USN-5078-1 fixed a vulnerability in Squashfs-Tools. That update was incomplete and could still result in Squashfs-Tools mishandling certain malformed SQUASHFS files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Richard Weinberger discovered that...
USN-5108-1: libntlm vulnerability
It was discovered that Libntlm incorrectly handled specially crafted NTML requests. An attacker could possibly use this issue to cause a denial of service or another unspecified impact...
USN-5022-3: MySQL vulnerabilities
USN-5022-1 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-5107-1: 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 another origin, or execute arbitrary code...
USN-5106-1: Linux kernel (OEM) vulnerabilities
Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 It was discovered that the Linux kernel did not properly enforce certain types of entries in the Secure...
USN-5105-1: Bottle vulnerability
It was discovered that Bottle incorrectly handled certain inputs. An attacker could possibly use this issue to cache malicious requests...
USN-5104-1: Squid vulnerability
Lyu discovered that Squid incorrectly handled WCCP protocol data. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly obtain sensitive information...
USN-5103-1: docker.io vulnerability
Lei Wang and Ruizhi Xiao discovered that the Moby Docker engine in Docker incorrectly allowed the docker cp command to make permissions changes in the host filesystem in some situations. A local attacker could possibly use to this to expose sensitive information or gain administrative privileges...
USN-5102-1: Mercurial vulnerabilities
It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this issue to write arbitrary files to the target’s filesystem. CVE-2019-3902 It was discovered that Mercurial incorrectly handled certain manifest files. An attacker could use this issue to cause a...
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-5100-1: containerd vulnerability
It was discovered that containerd insufficiently restricted permissions on container root and plugin directories. If a user or automated system were tricked into launching a specially crafted container image, a remote attacker could traverse directory contents and modify files and execute program...
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-4973-2: Python vulnerability
USN-4973-1 fixed this vulnerability previously, but it was re-introduced in python3.8 in focal because of the SRU in LP: 1928057. This update fixes the problem. Original advisory details: It was discovered that the Python stdlib ipaddress API incorrectly handled octal strings. A remote attacker...
USN-5098-1: bl vulnerability
It was discovered that bl didn't properly sanitize the inputs. An attacker could use this to leak sensitive information...
USN-5097-1: LedgerSMB vulnerabilities
It was discovered that LedgerSMB incorrectly handled certain inputs. An attacker could use this to leak sensitive information, cause a DoS, or execute arbitrary code. CVE-2021-3693, CVE-2021-3694, CVE-2021-3731...
USN-5094-2: Linux kernel (Raspberry Pi) vulnerabilities
It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. An attacker who could start and control a VM could possibly use this to expose sensitive information or execute...
USN-5091-2: Linux kernel (Raspberry Pi) vulnerabilities
Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. CVE-2021-33624 It was...
USN-5096-1: Linux kernel (OEM) vulnerabilities
Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Benedict Schlueter discovered that the BPF subsystem in the Linux kernel did not properly protect again...
USN-5095-1: Apache Commons IO vulnerability
It was discovered that Apache Commons IO incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information...
USN-5092-2: Linux kernel vulnerabilities
Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in...
USN-5094-1: Linux kernel vulnerabilities
It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. An attacker who could start and control a VM could possibly use this to expose sensitive information or execute...
USN-5090-4: Apache HTTP Server regression
USN-5090-1 fixed vulnerabilities in Apache HTTP Server. One of the upstream fixes introduced a regression in UDS URIs. This update fixes the problem. Original advisory details: James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote...
USN-5090-3: Apache HTTP Server regression
USN-5090-1 fixed vulnerabilities in Apache HTTP Server. One of the upstream fixes introduced a regression in UDS URIs. This update fixes the problem. Original advisory details: James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote...
USN-5093-1: Vim vulnerabilities
Brian Carpenter discovered that vim incorrectly handled memory when opening certain files. If a user was tricked into opening a specially crafted file, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges. This issu...
USN-5092-1: Linux kernel vulnerabilities
Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in...
USN-5091-1: Linux kernel vulnerabilities
Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. CVE-2021-33624 It was...
USN-5090-2: Apache HTTP Server vulnerabilities
USN-5090-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that the Apache HTTP Server incorrectly handled certain malformed requests. A remote attacker could possibly us...
USN-5090-1: Apache HTTP Server vulnerabilities
James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote attacker could possibly use this issue to perform request splitting or cache poisoning attacks. CVE-2021-33193 It was discovered that the Apache HTTP Server incorrectly handled...
USN-5089-2: ca-certificates update
USN-5089-1 updated ca-certificates. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: The ca-certificates package contained a CA certificate that will expire on 2021-09-30 and will cause connectivity issues. This update removes the...
USN-5089-1: ca-certificates update
The ca-certificates package contained a CA certificate that will expire on 2021-09-30 and will cause connectivity issues. This update removes the “DST Root CA X3” CA...
USN-5088-1: EDK II vulnerabilities
It was discovered that EDK II incorrectly handled input validation in MdeModulePkg. A local user could possibly use this issue to cause EDK II to crash, resulting in a denial of service, obtain sensitive information or execute arbitrary code. CVE-2019-11098 Paul Kehrer discovered that OpenSSL use...
USN-5087-1: WebKitGTK vulnerabilities
A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service...
USN-5086-1: Linux kernel vulnerability
Johan Almbladh discovered that the eBPF JIT implementation for IBM s390x systems in the Linux kernel miscompiled operations in some situations, allowing circumvention of the BPF verifier. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...
USN-5085-1: SQL parse vulnerability
It was discovered that SQL parse incorrectly handled certain regular expression. An attacker could possibly use this issue to cause a denial of service...
USN-5071-3: Linux kernel (Raspberry Pi) vulnerabilities
It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. An attacker who could start and control a VM could possibly use this to expose sensitive information or execute...
USN-5073-3: Linux kernel (Raspberry Pi) vulnerabilities
Norbert Slusarek discovered that the CAN broadcast manger bcm protocol implementation in the Linux kernel did not properly initialize memory in some situations. A local attacker could use this to expose sensitive information kernel memory. CVE-2021-34693 Murray McAllister discovered that the...
USN-5079-4: curl regression
USN-5079-2 fixed vulnerabilities in curl. One of the fixes introduced a regression. This update fixes the problem. Original advisory details: Patrick Monnerat discovered that curl incorrectly handled upgrades to TLS. When receiving certain responses from servers, curl would continue without TLS...
USN-5084-1: LibTIFF vulnerability
It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges...
USN-5079-3: curl vulnerabilities
USN-5079-1 fixed vulnerabilities in curl. One of the fixes introduced a regression on Ubuntu 18.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that curl incorrect handled memory when sending data to an MQTT server. A remote...
USN-5073-2: Linux kernel (GCP) vulnerabilities
Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel allowed a guest VM to disable restrictions on VMLOAD/VMSAVE in a nested guest. An attacker in a guest VM could use this to read or write portions of the host's physical memory...
USN-5083-1: Python vulnerabilities
It was discovered that Python incorrectly handled certain RFCs. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 ESM. CVE-2021-3733 It was discovered that Python incorrectly handled certain server responses. An attacker could possibly u...
USN-5071-2: Linux kernel (HWE) vulnerabilities
USN-5071-1 fixed vulnerabilities in the Linux kernel for Ubuntu 20.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 20.04 LTS for Ubuntu 18.04 LTS. Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for...
USN-5082-1: Linux kernel (OEM) vulnerabilities
Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel allowed a guest VM to disable restrictions on VMLOAD/VMSAVE in a nested guest. An attacker in a guest VM could use this to read or write portions of the host's physical memory...