USN-5194-1: Olm vulnerability

Denis Kasak discovered that Olm was not verifying the length of input being processed by the olmpkdecrypt module, which introduced a stack-based buffer overflow vulnerability to the library. An attacker could use this to cause a denial of service application crash or possibly execute arbitrary co...

USN-5193-1: X.Org X Server vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code and escalate privileges...

USN-5192-1: Apache Log4j 2 vulnerability

Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run programs via a special crafted input. An attacker could use this vulnerability to cause a denial of service or possibly execute arbitrary code. Please see the following link for more information:...

USN-5191-1: Flatpak vulnerability

It was discovered that Flatpak incorrectly handled certain AFUNIX sockets. An attacker could use this to specially craft a Flatpak application that could escape sandbox confinement...

USN-5174-2: Samba regression

USN-5174-1 fixed vulnerabilities in Samba. Some of the changes introduced a regression in Kerberos authentication in certain environments. Please see the following upstream bug for more information: https://bugzilla.samba.org/showbug.cgi?id=14922 This update fixes the problem. Original advisory...

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-5142-3: Samba regression

USN-5142-1 fixed vulnerabilities in Samba. Some of the upstream changes introduced a regression in Kerberos authentication in certain environments. Please see the following upstream bug for more information: https://bugzilla.samba.org/showbug.cgi?id=14922 This update fixes the problem. Original...

USN-5188-1: Keepalived vulnerability

It was discovered that Keepalived incorrectly handled certain messages. An attacker could possibly use this issue to access-control bypass...

USN-5186-1: 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, conduct spoofing attacks, bypass CSP restrictions, or execute arbitrary cod...

USN-5173-2: libmodbus vulnerabilities

USN-5173-1 fixed vulnerabilities in libmodbus. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libmodbus incorrectly handled inputs. An attacker could possibly use this issue to cause a denial of service o...

USN-5172-2: uriparser vulnerability

USN-5172-1 fixed vulnerabilities in uriparser. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that uriparser mishandled certain input. An attacker could use this vulnerability to cause uriparser to crash or...

USN-5171-2: Long Range ZIP vulnerabilities

USN-5171-1 fixed vulnerabilities in Long Range ZIP. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that Long Range ZIP incorrectly handled certain specially crafted lrz files. A remote attacker could possibly...

USN-5184-1: libmysofa vulnerability

It was discovered that libmysofa mishandled certain input. An attacker could use this vulnerability to cause a denial of service crash...

USN-5183-1: BlueZ vulnerability

Julian Rauchberger discovered that BlueZ incorrectly handled memory when processing SDP attribute requests. A remote attacker could use this issue to cause BlueZ to crash, leading to a denial of service, or possibly execute arbitrary code...

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-5180-1: Mailman vulnerability

It was discovered that Mailman incorrectly handled CSRF tokens. A remote list member or moderator could possibly use their own token to craft an admin request CSRF attack and set a new admin password or make other changes...

USN-5179-1: BusyBox vulnerabilities

It was discovered that BusyBox incorrectly handled certain malformed gzip archives. If a user or automated system were tricked into processing a specially crafted gzip archive, a remote attacker could use this issue to cause BusyBox to crash, resulting in a denial of service, or possibly execute...

USN-5178-1: Django vulnerability

Sjoerd Job Postmus and TengMA discovered that Django incorrectly handled URLs with trailing newlines. A remote attacker could possibly use this issue to bypass certain access controls...

USN-5142-2: Samba regressions

USN-5142-1 fixed vulnerabilities in Samba. Some of the upstream changes introduced regressions in name mapping and backups. Please see the following upstream bugs for more information: https://bugzilla.samba.org/showbug.cgi?id=14901 https://bugzilla.samba.org/showbug.cgi?id=14918 This update fixe...

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-5175-1: NTP vulnerability

It was discovered that ntpd incorrectly handled memory when CMAC keys were used. A remote attacker could possibly use this issue to cause ntpd to crash resulting in a denial of service...

USN-5174-1: Samba vulnerabilities

Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could possibly use this issue to downgrade connections to plaintext authentication. CVE-2016-2124 Andrew Bartlett discovered that Samba incorrectly mapping domain users to local users. An...

USN-5173-1: libmodbus vulnerabilities

It was discovered that libmodbus incorrectly handled inputs. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-5172-1: uriparser vulnerabilities

It was discovered that uriparser mishandled certain input. An attacker could use this vulnerability to cause uriparser to crash or possibly execute arbitrary code. CVE-2018-19198, CVE-2018-19199, CVE-2018-19200 It was discovered that uriparser incorrectly handled certain URIs. An attacker could u...

USN-5171-1: Long Range ZIP vulnerabilities

It was discovered that Long Range ZIP incorrectly handled certain specially crafted lrz files. A remote attacker could possibly use this issue to cause a denial of service crash or other unspecified impact...

USN-5168-3: NSS vulnerability

USN-5168-1 fixed a vulnerability in NSS. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS signatures. A remote attacker could use this issue to cause NSS ...

USN-5168-1: NSS vulnerability

Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS signatures. A remote attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5168-2: Thunderbird vulnerability

Tavis Ormandy discovered that NSS, included with Thunderbird, incorrectly handled verifying DSA/RSA-PSS signatures. A remote attacker could use this issue to cause Thunderbird to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-5165-1: Linux kernel (OEM) vulnerabilities

It was discovered that the NFC subsystem in the Linux kernel contained a use-after-free vulnerability in its NFC Controller Interface NCI implementation. A local attacker could possibly use this to cause a denial of service system crash or execute arbitrary code. CVE-2021-3760 It was discovered...

USN-5164-1: Linux kernel vulnerabilities

It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-37159 It was discovered that th...

USN-5163-1: Linux kernel vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the Option USB Hi...

USN-5162-1: Linux kernel vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the AMD...

USN-5161-1: Linux kernel vulnerabilities

Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information kernel memory. CVE-2021-3655 It was discovered that the AMD...

USN-5158-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain values when processing visual effects based image files. By tricking a user into opening a specially crafted image file, an attacker could crash the application causing a denial of service. CVE-2021-20244 It was discovered that...

USN-5151-2: Mailman vulnerabilities

USN-5151-1 fixed several vulnerabilities in Mailman. This update provides the corresponding update for Ubuntu 20.04 ESM. Original advisory details: It was discovered that Mailman incorrectly handled certain URL. An attacker could possibly use this issue to execute arbitrary code. CVE-2021-43331 I...

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-5155-1: BlueZ vulnerabilities

It was discovered that BlueZ incorrectly handled the Discoverable status when a device is powered down. This could result in devices being powered up discoverable, contrary to expectations. This issue only affected Ubuntu 20.04 LTS, Ubuntu 21.04, and Ubuntu 21.10. CVE-2021-3658 It was discovered...

USN-5154-1: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a crash. CVE-2021-41159 It was discovered that FreeRDP incorrectly handled certain connections. An attacker could possibly use this issue to execute...

USN-5153-1: LibreOffice vulnerabilities

It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted document that would display a validly signed indicator, contrary to expectations...

USN-5152-1: 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, bypass security restrictions, spoof the UI, confuse the user, conduct phishing...

USN-5151-1: Mailman vulnerabilities

It was discovered that Mailman incorrectly handled certain URL. An attacker could possibly use this issue to execute arbitrary code. CVE-2021-43331 It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information...

USN-5150-1: OpenEXR vulnerability

It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash...

USN-5148-2: hivex vulnerability

USN-5148-1 fixed a vulnerability in hivex. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that hivex incorrectly handled certain input. An attacker could use this vulnerability to cause a crash or obtain...

USN-5149-1: AccountsService vulnerability

Kevin Backhouse discovered that AccountsService incorrectly handled memory when performing certain language setting operations. A local attacker could use this issue to escalate privileges...

USN-5148-1: hivex vulnerability

It was discovered that hivex incorrectly handled certain input. An attacker could use this vulnerability to cause a crash or obtain sensitive information...

USN-5147-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled permissions on the .swp file. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 ESM. CVE-2017-17087 It was discovered that Vim incorrectly handled restricted mode. A local attacker...

USN-5146-1: 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, or execute arbitrary code...

USN-5145-1: PostgreSQL vulnerabilities

Jacob Champion discovered that PostgreSQL incorrectly handled SSL certificate verification and encryption. A remote attacker could possibly use this issue to inject arbitrary SQL queries when a connection is first established...

USN-5144-1: OpenEXR vulnerability

It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-5142-1: Samba vulnerabilities

Stefan Metzmacher discovered that Samba incorrectly handled SMB1 client connections. A remote attacker could possibly use this issue to downgrade connections to plaintext authentication. CVE-2016-2124 Andrew Bartlett discovered that Samba incorrectly mapping domain users to local users. An...