USN-4636-1 libvncserver, vino vulnerability

It was discovered that LibVNCServer incorrectly handled certain internals. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Vino package ships with a LibVNCServer source and all listed release...

USN-4635-1 krb5 vulnerability

Demi Obenour discovered that Kerberos incorrectly handled certain ASN.1. An attacker could possibly use this issue to cause a denial of service...

USN-4634-1 openldap vulnerabilities

It was discovered that OpenLDAP incorrectly handled certain malformed inputs. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service...

USN-4633-1 postgresql-10, postgresql-12, postgresql-9.5 vulnerabilities

Peter Eisentraut discovered that PostgreSQL incorrectly handled connection security settings. Client applications could possibly be connecting with certain security parameters dropped, contrary to expectations. CVE-2020-25694 Etienne Stalmans discovered that PostgreSQL incorrectly handled the...

USN-4607-2 openjdk-8, openjdk-lts regressions

USN-4607-1 fixed vulnerabilities and added features in OpenJDK. Unfortunately, that update introduced a regression that could cause TLS connections with client certificate authentication to fail in some situations. This update fixes the problem. We apologize for the inconvenience. Original adviso...

USN-4632-1 slirp vulnerabilities

It was discovered that the SLiRP networking implementation of the QEMU emulator did not properly manage memory under certain circumstances. An attacker could use this to cause a heap-based buffer overflow or other out- of-bounds access, which can lead to a denial of service application crash or...

USN-4631-1 libmaxminddb vulnerability

It was discovered that libmaxminddb incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause applications using libmaxminddb to crash, resulting in a denial of service...

USN-4171-6 apport regression

USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression when handling configuration files. This update fixes the problem, and also introduces further hardening measures. Original advisory details: Kevin Backhouse discovered Apport would read its user-controlled settings file as...

USN-4628-2 intel-microcode regression

USN-4628-1 provided updated Intel Processor Microcode. Unfortunately, that update prevented certain processors in the Intel Tiger Lake family from booting successfully. This update reverts the microcode update for the Tiger Lake processor family. Please note that the 'disucodeldr' kernel command...

USN-4622-2 openldap vulnerability

USN-4622-1 fixed a vulnerability in OpenLDAP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that OpenLDAP incorrectly handled certain network packets. A remote attacker could use this issue to cause OpenLDAP t...

USN-4630-1 raptor2 vulnerability

Hanno Böck discovered that Raptor incorrectly handled certain memory operations. If a user were tricked into opening a specially crafted document in an application linked against Raptor, an attacker could cause the application to crash, resulting in a denial of service, or possibly execute...

USN-4629-1 moin vulnerabilities

Michael Chapman discovered that MoinMoin incorrectly handled certain cache actions. An attacker could possibly use this issue to execute arbitrary code. CVE-2020-25074 Catarina Leite discovered that MoinMoin incorrectly handled certain SVG files. An attacker could possibly use this issue to execu...

USN-4628-1 intel-microcode vulnerabilities

Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine Easdon, Claudio Canella, and Daniel Gruss discovered that the Intel Running Average Power Limit RAPL feature of some Intel processors allowed a side- channel attack based on power consumption measurements. A local attacker coul...

USN-4627-1 linux, linux-gcp, linux-gcp-4.15, linux-gcp-5.4, linux-gke-4.15, linux-gke-5.3, linux-hwe, linux-hwe-5.4, linux-oem, linux-oem-osp1, linux-oracle, linux-oracle-5.4 vulnerability

Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine Easdon, Claudio Canella, and Daniel Gruss discovered that the Intel Running Average Power Limit RAPL driver in the Linux kernel did not properly restrict access to power data. A local attacker could possibly use this to expose...

USN-4625-1 firefox vulnerability

A use-after-free was discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could exploit this to execute arbitrary code...

USN-4624-1 libexif vulnerability

It was discovered that libexif incorrectly handled certain inputs. An attacker could possibly use this issue to cause unexpected behaviours, or execute arbitrary code...

USN-4623-1 pacemaker vulnerability

Ken Gaillot discovered that Pacemaker incorrectly handled IPC communications permissions. A local attacker could possibly use this issue to bypass ACL restrictions and execute arbitrary code as root...

USN-4622-1 openldap vulnerability

It was discovered that OpenLDAP incorrectly handled certain network packets. A remote attacker could use this issue to cause OpenLDAP to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4621-1 netqmail vulnerabilities

It was discovered that netqmail did not properly handle certain input. Both remote and local attackers could use this vulnerability to cause netqmail to crash or execute arbitrary code. CVE-2005-1513, CVE-2005-1514, CVE-2005-1515 It was discovered that netqmail did not properly handle certain inp...

USN-4599-3 firefox regressions

USN-4599-1 and USN-4599-2 fixed vulnerabilities in Firefox. The updates introduced various minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a...

USN-4620-1 phpldapadmin vulnerability

It was discovered that phpLDAPadmin didn't properly sanitize before being echoed to the user. A remote attacker could inject arbitrary HTML/Javascript code in a user's context and cause a crash, resulting in denial of service or potential execution of arbitrary code...

USN-4619-1 dom4j vulnerability

Mário Areias discovered that dom4j did not properly validate XML document elements. An attacker could exploit this with a crafted XML file to cause dom4j to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2018-1000632...

USN-4618-1 tmux vulnerability

Sergey Nizovtsev discovered that tmux incorrectly handled some inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-4616-2 accountsservice vulnerabilities

USN-4616-1 fixed several vulnerabilities in AccountsService. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Kevin Backhouse discovered that AccountsService incorrectly dropped privileges. A local user could possibly use this issue to cause...

USN-4617-1 spice-vdagent vulnerabilities

Matthias Gerstner discovered that SPICE vdagent incorrectly handled the activexfers hash table. A local attacker could possibly use this issue to cause SPICE vdagent to consume memory, resulting in a denial of service. CVE-2020-25650 Matthias Gerstner discovered that SPICE vdagent incorrectly...

USN-4615-1 libytnef vulnerabilities

It was discovered that Yerase's TNEF had null pointer dereferences, infinite loop, buffer overflow, out of bounds reads, directory traversal issues and other vulnerabilities. An attacker could use those issues to cause a crash and consequently a denial of service. CVE-2017-6298, CVE-2017-6299,...

USN-4616-1 accountsservice vulnerabilities

Kevin Backhouse discovered that AccountsService incorrectly dropped privileges. A local user could possibly use this issue to cause AccountsService to crash or hang, resulting in a denial of service. CVE-2020-16126 Kevin Backhouse discovered that AccountsService incorrectly handled reading...

USN-4614-1 gdm3 vulnerability

Kevin Backhouse discovered that GDM incorrectly launched the initial setup tool when the accountsservice daemon was not reachable. A local attacker able to cause accountsservice to crash or stop responding could trick GDM into launching the initial setup tool and create a privileged user...

USN-4613-1 python-cryptography vulnerability

Hubert Kario discovered that python-cryptography incorrectly handled certain decryption. An attacker could possibly use this issue to expose sensitive information...

USN-4605-2 blueman vulnerability

Vaisha Bernard discovered that blueman did not properly sanitize input on the d-bus interface to blueman-mechanism. A local attacker could possibly use this issue to escalate privileges and run arbitrary code or cause a denial of service. CVE-2020-15238 While a previous security update fixed the...

USN-4611-1 samba vulnerabilities

Steven French discovered that Samba incorrectly handled ChangeNotify permissions. A remote attacker could possibly use this issue to obtain file name information. CVE-2020-14318 Bas Alberts discovered that Samba incorrectly handled certain winbind requests. A remote attacker could possibly use th...

USN-4610-1 fastd vulnerability

It was discovered that fastd did not properly handle receive buffers under certain circumstances. A remote attacker could possibly use this issue to cause a memory leak, resulting in a denial of service. CVE-2020-27638...

USN-4609-1 gosa vulnerabilities

Fabian Henneke discovered that GOsa incorrectly handled client cookies. An authenticated user could exploit this with a crafted cookie to perform file deletions in the context of the user account that runs the web server. CVE-2019-14466 It was discovered that GOsa incorrectly handled user access...

USN-4552-3 pam-python regression

USN-4552-1 and USN-4552-2 fixed a vulnerability in Pam-python. The update introduced a regression which prevented PAM modules written in Python from importing python modules from site-specific directories. We apologize for the inconvenience. Original advisory details: Malte Kraus discovered that...

USN-4608-1 ca-certificates update

The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.44 version of the Mozilla certificate authority bundle...

USN-4607-1 openjdk-8, openjdk-lts vulnerabilities

It was discovered that OpenJDK incorrectly handled deserializing Proxy class objects with many interfaces. A remote attacker could possibly use this issue to cause a denial of service memory consumption via a specially crafted input. CVE-2020-14779 Sergey Ostanin discovered that OpenJDK incorrect...

USN-3081-2 tomcat6 vulnerability

Dawid Golunski discovered that the Tomcat init script incorrectly handled creating log files. A remote attacker could possibly use this issue to obtain root privileges...

USN-4603-1 mariadb-10.1, mariadb-10.3 vulnerabilities

It was discovered that MariaDB didn't properly validate the content of a packet received from a server. A remote attacker could use this vulnerability to sent a specialy crafted file to cause a denial of service. CVE-2020-13249 It was discovered that MariaDB has other security issues. An attacker...

USN-4602-2 perl vulnerabilities

USN-4602-1 fixed several vulnerabilities in Perl. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: ManhND discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions ar...

USN-4600-2 netty vulnerabilities

USN-4600-1 fixed multiple vunerabilities in Netty 3.9. This update provides the corresponding fixes for CVE-2019-20444, CVE-2019-20445 for Netty. Also it was discovered that Netty allow for unbounded memory allocation. A remote attacker could send a large stream to the Netty server causing it to...

USN-4605-1 blueman vulnerability

Vaisha Bernard discovered that blueman did not properly sanitize input on the d-bus interface to blueman-mechanism. A local attacker could possibly use this issue to escalate privileges and run arbitrary code or cause a denial of service. CVE-2020-15238...

USN-4604-1 mysql-5.7, mysql-8.0 vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.22 in Ubuntu 20.04 LTS and Ubuntu 20.10. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.32. In addition to security fixes...

USN-4599-2 firefox vulnerabilities

USN-4599-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Ubuntu 16.04 LTS. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit...

USN-4602-1 perl vulnerabilities

ManhND discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4599-1 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, spoof the prompt for opening an external application, obtain sensitive information, or execute arbitrary...

USN-4601-1 python-pip vulnerability

It was discovered that pip did not properly sanitize the filename during pip install. A remote attacker could possible use this issue to read and write arbitrary files on the host filesystem as root, resulting in a directory traversal attack. CVE-2019-20916...

USN-4600-1 netty-3.9 vulnerabilities

It was discovered that Netty had HTTP request smuggling vulnerabilities. A remote attacker could used it to extract sensitive information. CVE-2019-16869, CVE-2019-20444, CVE-2019-20445, CVE-2020-7238...

USN-4593-2 freetype vulnerability

USN-4593-1 fixed a vulnerability in FreeType. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Sergei Glazunov discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font...

USN-4598-1 libetpan vulnerability

It was discovered that LibEtPan incorrectly handled STARTTLS when using IMAP, SMTP and POP3. A remote attacker could possibly use this issue to perform a response injection attack. CVE-2020-15953...

USN-4597-1 libapache2-mod-auth-mellon vulnerabilities

François Kooman discovered that modauthmellon incorrectly handled cookies. An attacker could possibly use this issue to cause a Cross-Site Session Transfer attack. CVE-2017-6807 It was discovered that modauthmellon incorrectly handled certain requests. An attacker could possibly use this issue to...