USN-4523-1: LibOFX vulnerability

It was discovered that LibOFX did not properly check for errors in certain situations, leading to a NULL pointer dereference. A remote attacker could use this issue to cause a denial of service attack. CVE-2019-9656...

USN-4522-1: noVNC vulnerability

It was discovered that noVNC did not properly manage certain messages, resulting in the remote VNC server injecting arbitrary HTML into the noVNC web page. An attacker could use this issue to conduct cross-site scripting XSS attacks. CVE-2017-18635...

USN-4520-1: Exim SpamAssassin vulnerability

It was discovered that Exim SpamAssassin does not properly handle configuration strings. An attacker could possibly use this issue to execute arbitrary code. CVE-2019-19920...

USN-4519-1: PulseAudio vulnerability

Ratchanan Srirattanamet discovered that an Ubuntu-specific patch caused PulseAudio to incorrectly handle memory under certain error conditions in the Bluez 5 module. An attacker could use this issue to cause PulseAudio to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4517-1: Email-Address-List vulnerability

It was discovered that Email-Address-List does not properly parse email addresses during email-ingestion. A remote attacker could use this issue to cause an algorithmic complexity attack, resulting in a denial of service. CVE-2018-18898...

USN-4518-1: xawtv vulnerability

Matthias Gerstner discovered that xawtv incorrectly handled opening files. A local attacker could possibly use this issue to open and write to arbitrary files and escalate privileges. CVE-2020-13696...

USN-4516-1: GnuPG vulnerability

It was discovered that GnuPG signatures could be forged when the SHA-1 algorithm is being used. This update removes validating signatures based on SHA-1 that were generated after 2019-01-19. In environments where this is still required, a new option --allow-weak-key-signatures can be used to reve...

USN-4515-1: Pure-FTPd vulnerability

Antonio Norales discovered that Pure-FTPd incorrectly handled directory aliases. An attacker could possibly use this issue to access sensitive information. CVE-2020-9274...

USN-4513-1: apng2gif vulnerability

Dileep Kumar Jallepalli discovered that apng2gif incorrectly handled loading APNG files. An attacker could exploit this with a crafted APNG file to access sensitive information. CVE-2017-6960...

USN-4512-1: util-linux vulnerability

It was discovered that the umount bash completion script shipped in util-linux incorrectly handled certain mountpoints. If a local attacker were able to create arbitrary mountpoints, another user could be tricked into executing arbitrary code when attempting to run the umount command with bash...

USN-4509-1: Perl DBI module vulnerabilities

It was discovered that Perl DBI module incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. CVE-2013-7490 It was discovered that Perl DBI module incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive...

USN-4506-1: MCabber vulnerability

It was discovered that MCabber does not properly manage roster pushes. An attacker could possibly use this issue to remotely perform machine-in-the-middle attacks. CVE-2016-9928...

USN-4505-1: PHPMailer vulnerability

Elar Lang discovered that PHPMailer did not properly escape double quote characters in filenames. A remote attacker could possibly exploit this with a crafted filename to bypass attachment filters that are based on matching filename extensions. CVE-2020-13625...

USN-4502-1: websocket-extensions vulnerability

It was discovered that websocket-extensions does not properly parse special headers. A remote attacker could use this issue to cause regex backtracking, resulting in a denial of service. CVE-2020-7663...

USN-4503-1: Perl DBI module vulnerability

It was discovered that Perl DBI module incorrectly handled certain calls. An attacker could possibly use this issue to execute arbitrary code...

USN-4501-1: LuaJIT vulnerability

It was discovered that an out-of-bounds read existed in LuaJIT. An attacker could use this to cause a denial of service application crash or possibly expose sensitive information. CVE-2020-15890...

USN-4500-1: bsdiff vulnerabilities

It was discovered that bsdiff mishandled certain input. If a user were tricked into opening a malicious file, an attacker could cause bsdiff to crash or potentially execute arbitrary code...

USN-4498-1: Loofah vulnerability

It was discovered that Loofah does not properly sanitize JavaScript in sanitized output. An attacker could possibly use this issue to perform XSS attacks. CVE-2019-15587...

USN-4499-1: MilkyTracker vulnerabilities

It was discovered that MilkyTracker did not properly handle certain input. If a user were tricked into opening a malicious file, an attacker could cause MilkyTracker to crash or potentially execute arbitrary code...

USN-4497-1: OpenJPEG vulnerabilities

It was discovered that OpenJPEG incorrectly handled certain image files. A remote attacker could possibly use this issue to cause a denial of service. CVE-2016-9112 It was discovered that OpenJPEG did not properly handle certain input. If OpenJPEG were supplied with specially crafted input, it...